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A+ 220-801, 220-802 Q&A > Hardware > Flashcards

Flashcards in Hardware Deck (337)
1

What is the maximum supported cable length, in feet, for an RS-232 serial cable?

50 feet

2

What is the maximum supported cable length, in feet, for high-speed USB devices?

16 feet

3

What is the purpose of using plastic standoffs on the motherboard?

They can help with electrical grounding within a computer case.

4

Which four pins of a 24-pin power supply connector are for handling higher current capabilities of the processor?

Pins 11, 12, 23, and 24

5

What is the clock speed, in megahertz, of PC2-6400/PC3-6400 RAM?

800 MHz

6

Which memory component detects both single-bit and multi-bit errors in RAM?

Error Correction Code (ECC)

7

Which memory component can only detect single-bit errors in RAM?

Parity

8

Which cache is cache memory built into the processor?

L1 cache

9

Which cache is cache memory located on a separate chip?

L2 cache

10

What allows a user to connect a single keyboard, video display device, and mouse to multiple computers?

A keyboard, video, mouse (KVM) switch

11

Which two port types is a barcode scanner likely to use?

USB and serial

12

Which scanners read data based on the reflection of white spaces between black lines?

Barcode scanner

13

What is the purpose of a capture card?

It allows you to send a video or TV signal to your computer

14

Which type of network contains a computer, cell phone, personal digital assistant (PDA), or other personal device, and operated using Bluetooth, infrared, USB, FireWire connectivity?

A Personal Area Network (PAN)

15

What is ACPI?

Advanced Configuration and Power Interface (ACPI) is a technology that configures computers to optimize power consumption

16

What is the primary interface used in a tablet computer?

Touch screen

17

What is the maximum capacity of a 5.25-inch floppy disk?

1.2 MB

18

Which drive letters are used to represent floppy drives?

A: or B:

19

Which type of drive requires an ID to be set on the drive?

SCSI

20

What are the three specifications of Universal Serial Bus (USB)?

USB 1.0, USB 1.1, and USB 2.0 (also USB 3.0)

21

Which port is used for connecting multiple peripherals?

USB

22

How many leads are in a USB cable?

4

23

What is the data transfer speed for USB 2.0?

480 Mbps

24

What is the maximum length of a USB cable?

5 meters

25

What is the data transfer speed for USB 1.0?

1.5 Mbps

26

Which form factor uses a motherboard and riser combination where the motherboard and expansion devices plug into the riser card?

New Low Profile Extender (NLX)

27

What is the maximum number of connectors in an Integrated Drive Electronics (IDE) ribbon cable?

3

28

How many pins are in an Integrated Drive Electronics (IDE) ribbon cable?

40

29

Which connector on an IDE ribbon cable connects to a motherboard?

The blue connector on the IDE ribbon cable

30

Which connector on an IDE ribbon cable connects to the master drive on a computer?

The black connector on the other end of the IDE ribbon cable

31

Which connector on an IDE ribbon cable is used to connect to a slave drive to a computer?

The grey connector in the middle of the IDE ribbon cable

32

What is the data transfer speed of flat IDE ribbon cable?

5 MB/s

33

Which motherboard component is used to hold multiple I/O cards in a computer?

Riser cards

34

Which component on a motherboard is used to plug various removable cards?

Bus slots

35

Which high-speed channel is used for attaching a graphics card to a computer's motherboard to assist in the acceleration of 3D graphics?

Accelerated Graphics Port (AGP)

36

Which component records data in a HDD?

Platter

37

Which component holds one or more flat circular disks in a HDD?

Spindle

38

Which component detects and modifies the magnetization of the HDD platter surface?

Read-and-write heads

39

Which component increases thermal conductivity between an integrated circuit (IC) and a heat sink?

Thermal compound

40

Which concept is used for designing a processor socket to prevent problems caused by applying force while inserting or extracting a processor?

Zero Insertion Force (ZIF)

41

When choosing between CD_ROM, DVD, and Blu-Ray disks, which media can hold the most amount of data?

Blu-Ray

42

Which power state should you use if you need to implement the Wake-On-LAN feature?

Standyby mode

43

What should you do immediately after installing the maintenance kit and replacing all consumables in a laser printer?

Reset the page count

44

What should you do after connecting a touch screen monitor to your computer?

Calibrate the monitor

45

What is an RS-232 connection?

A 9-pin serial connection

46

Which type of drives do not contain magnetic media?

Solid-state drives

47

What is the easiest method to allow two computers to use a printer that is attached to the USB port on one of the computers?

Share the printer

48

What do you require in order to add expansion cards to a laptop computer?

A docking station

49

What does a TV tuner card allow you to do?

Receive TV signals on your computer

50

Which RAID implementation offers no fault tolerance but fast writing speeds?

RAID 0

51

What is the transmisison speed of Sony/Philips Digital Interface Format (S/PDIF)?

2 to 3 megabits per second (Mbps)

52

Which type of connector is used in LCD monitors?

Digital Video Interface (DVI) connector

53

What are the three types of DVI cables?

DVI-D, DVI-A, and DVI-I

54

Which component of an inkjet printer sprays ink from the ink reservoir on a paper?

Nozzle

55

Which component of a dot matrix printer has a combination of pins that hit the ribbon, printing characters on a page?

Print head

56

Which tab in the Printer Properties dialog box in Windows is used to set the amount of printer memory to be used by a laser printer?

The Device Settings tab

57

Which dialog box in Windows is used to set the amount of printer memory to be used by a laser printer?

The Printer Properties dialog box

58

What is the pin configuration for the sub-D connector type that functions as a parallel printer interface?

25-pin sub-D

59

Which type of IEEE 1284 cable is used for printer and device connections?

36-pin Centronics

60

Which component of a laser printer meters the amount of toner present on the developer roll?

Doctor blade

61

Which component of a laser printer acquires a deposit of toner on its surface?

Developer roller

62

Which component of a laser printer is responsible for transferring the toner to the paper from drum?

Transfer roller

63

Which laser printer component charges the paper?

Transfer corona

64

Which component is charged by the transfer corona transferring high negative voltage to it?

The drum

65

Which type of ventilation is appropriate for an ideal environment to operate a laser printer?

Filtered ventilation

66

Which type of floor is an ideal environment to operate a laser printer?

Tilled floor

67

Which type of thermal transfer printer melts sticks of colored ink before a drum can transfer the ink to the media?

Phase-change printer, also referred to as solid ink printer

68

Which type of printer transfers ink to the media similar to the action of a typewriter?

Impact/Dot-matrix printer

69

Where should you search for instructions on servicing a scanner or printer?

On the vendor's web site or in the printer's manual

70

Why should you only use laser toner cartridges from the printer's manufacturer?

To ensure optimum performance of your printer and to prevent problems caused by third-party cartridges

71

Which component of laser printer is used by the laser light to write an image?

Drum

72

Which type of printer uses a drum as a component?

Laser printer

73

Which type of printer prints a document by selectively heating a coated paper?

Thermal printer

74

What types of paper is used by thermal printers?

Thermochromic paper

75

Which component of a thermal printer is used to feed the special paper to the printer?

Platen

76

Which component of a thermal printer generates heat to be used to print on the special paper?

Thermal head

77

Inkjet printers use which three main technologies?

Thermal, piezoelectric, and continuous

78

Which printer uses a print head containing a number of metal pins?

Impact printer

79

Where is the inkjet ribbon placed in the impact printers?

Between the paper and the print head

80

How many types of print heads are there for an impact printer?

Four

81

Which four types of print heads are there for an impact printer?

7 pin, 9 pin, 18 pin, and 24 pin

82

Which print head in a dot-matrix printer will produce higher resolution?

24 pin

83

Which printer has the lowest printing cost per page?

Impact printer

84

What are the two main categories pf printers?

Impact and non-impact

85

What are the three most common forms of impact printers?

Dot-matrix, daisy-wheel, and line printers

86

Which powdery substance is used to print text and graphics in laser printers?

Toner

87

Which printer prints by placing small dots of ink on a page to reproduce text or graphics?

Inkjet printers

88

Which feature acts as a dam, holding the data and then releasing it at a speed the printer can handle?

Print buffer

89

Which feature allows a user to delete a print job being processed or otherwise manage the print jobs currently waiting to be printer?

Print spooler

90

What will determine the amount of documents that can be stored on the printer?

Print buffer

91

Which device in an inkjet printer sprays droplets of ink onto a sheet of paper while printing?

Print head

92

Which service tells the spooler to alter a job according to the document data type?

Print processor

93

Which printer can print on continuous paper?

dot-matrix printer

94

Which printer uses a print head that runs back and forth on the page and prints by impact?

Dot-matrix printer or impact-matrix printer

95

Which printer can create carbon copies?

Dot-matrix printer

96

Why can a dot-matrix printer create carbon copies?

Because the printing involves mechanical pressure

97

Which language was created by HP to provide an efficient way to control printer features across many different printing devices?

Printer Common Language (PCL)

98

Which structure controls all of the printer's features except those used for vector graphics?

Printer Command Language (PCL)

99

Which commands are embedded in the print job before being sent to the printer?

Printer Common Language (PCL)

100

How many modes of operation are specified under the IEEE 1284 standard?

5

101

Which type of printer cable is used in the IEEE 1284 standard?

Parallel cable

102

What are the three types of IEEE 1284 parallel port connectors?

IEEE 1284-A (Type A) - standard DB25 connector
IEEE 1284-B (Type B) - standard 36 pin Centronics style connector
IEEE1284-C (Type C) - a high density 36 pin connector

103

Which action will reduce the printing time without compromising quality when printing images from a color laser printer?

Upgrade the memory

104

Which printer produces raster images?

Laser printer

105

Which non-impact printer prints an entire page at once?

Laser printer

106

Which part of a laser printer helps melt the toner onto the medium?

Fuser

107

What applies heat pressure in a laser printer to ensure that toner stays on the paper permanently?

Fuser

108

When should the corona wire be cleaned normally in a laser printer?

While replacing the toner cartridge

109

Which assembly puts a positive charge on a paper that helps toner transfer to the paper?

Corona assembly

110

On which component of a laser printer is an electrostatic image of a document created?

Drum

111

Which feature of a printer stores output from a computer until it can be printed?

Printer buffer

112

Which feature of a printer accepts output from one or more computers and sends the output to printer for printing?

Printer buffer

113

Which printer capability ensures that a printer is ready to print documents?

Printer BIOS

114

Documents printed using which type of printer should not be used for archiving purposes?

Thermal printer

115

Which type of printer uses water-soluble ink droplets to print a document?

Inkjet printer

116

Which type of printer uses xerographic technique to print a document?

Laser printer

117

Which type of printer is typically best for applications that require a multipart form?

Dot-matrix

118

Which printer uses special paper and ink that degenerates over time?

Thermal printer

119

What supplies the ink in a dot-matrix printer?

Ribbon

120

How many pins do letter-quality dot matrix printers have in the print head?

24

121

How many pins do normal quality dot matrix printers have in the print head?

9

122

Which ports can be used to connect a printer to a computer?

USB, serial, parallel

123

What is the maximum data transfer speed for LPT1 port?

150 KB/s

124

What should you do to install a printer on a computer running Windows XP?

Run the Add New Printer wizard

125

What writes the image on the drum in a laser printer?

Laser light

126

Which Windows service loads files to memory for later printing?

Print spooler

127

Which Windows OS wizard should you use to install a printer or make printer connections?

Add Printer Wizard

128

Which Windows XP feature allows you to add a second monitor to your portable computer to expand the display across both the monitors?

Dualview

129

Which component of an inkjet printer supplies power to the rollers and ensures that the paper moves at that precise speed at which a continuous image or text is printed out without any gaps or breaks in the printout?

The paper feed stepper

130

Which common types of interface ports are used by an inkjet printer to connect with other devices?

USB, parallel, serial, and Small Computer Systems Interface (SCSI)

131

Which plug-and-play external device interface on a workstation provides the fastest printing speed?

USB 2.0

132

In ascending order, rank which ports are the fastest to print from.

From slowest to fastest:
•Serial
•Parallel
•USB

133

In order from slowest to fastest, rank which USB ports are the fastest to print from.

From slowest to fastest:
•USB 1.0
•USB 1.1
•USB 2.0
•USB 3.0

134

Which Windows utility searches a computer for unnecessary files and allows you to remove those files safely?

Disk cleanup

135

Where should you check to determine the size of the HDD supported by your laptop?

On the laptop manufacturer's website or inside the laptop's case.

136

What will happen if the LCD inverter board is faulty in a portable computer?

The display will not work or will be dim.

137

What will happen if the LCD backlight is faulty in a portable computer?

The portable computer display will be dim or dark.

138

What battery type is used with laptops?

Lithium-Ion

139

What is the size of a PCMCIA Type I card?

3.3 mm

140

What is the size of a PCMCIA Type II card?

5.5 mm

141

What is the size of a PCMCIA Type III card?

10.5 mm

142

What are the width and the length of the PCMCIA type cards?

54.0 mm wide and 85.6 mm long

143

Which cards can be installed in PCMCIA Type III slots?

One Type III card or any combination of two Type I or II cards.

144

What is the common name for PC cards in laptops?

PCMCIA

145

Which feature in a computer or a laptop allows you to remove and replace components without reboot?

Hot swappable

146

Which 6 protocols support hot swapping of external devices?

PCMCIA, USB, FireWire, Fibre Channel, SATA, and SAS

147

Which laptop HDD interface does not support hot swapping?

PATA

148

Which type of computer uses PCMCIA?

Laptops

149

Which two common types of IDE interfaces are used in a computer?

Parallel and Serial ATA

150

Which version of IEEE1394 is also called FireWire 800?

IEEE 1394b

151

What is the use of the Network Device Switch utility in laptop computers?

The Network Device switch utility activates or deactivates the networking inside the operating system

152

Which type of laptop has a Wi-Fi switch to activate or deactivate hardware?

Laptops with an integrated wireless hardware

153

Which keyboard key works like a Shift key to activate the second function of a dual-purpose key?

Fn (Function)

154

Which two keys combination on a laptop should you use to also enable an external monitor with the laptop?

Fn + screen key

155

What should you check before purchasing a hardware device for your Windows computer?

Hardware compatibility list (HCL)

156

How many pins are in a PS/2 mouse connector, also known as a mini-DIN 6 connector?

6

157

What can be described as an opto-mechanical mouse turned upside down?

Trackball

158

Which type of battery has the longest life?

Lithium Ion

159

What is the minimum distance you should have between a portable computer and an electrical appliance that generates a strong magnetic field, such as a microwave oven?

13 cm

160

If you shut down your portable computer, what is the minimum time you should wait before restarting?

30 seconds

161

What are three main types of batteries that are used in portable computers?

Nickel-cadmium (Ni-Cd), Nickel Metal Hydride (Ni-MH), and Lithium Ion (LI-ion)

162

Which interface on a portable computer will an IEEE 1394 able connect to?

S400 interface for IEEE 1394

163

Which type of standard that was originally designed for portable computers is used for attaching peripheral devices to a motherboard and is an adaption of the Peripheral Component Interconnect (PCI) bus?

MiniPCI

164

How does a lower clock speed on a portable computer, as compared to a desktop, affect the front-side bus?

The lower clock speed in a portable computer means that there is a lower multiplier. This enables the front-side bus to be increased to a higher level before the overclocker runs into a clock-speed barrier.

165

What are some differences between portable and desktop computers, other than size?

Portable computers have lower voltages, lower clock speeds, produce less heat, and use less power

166

When will a user know that the lithium-ion battery of a portable computer has worn out?

The battery charge depletes before the documented backup time

167

What is the size of Type II Personal Computer (PC) card that is used in portable computers?

5 mm

168

What is the size of Type III Personal Computer (PC) card that is used in portable computers?

10.5 mm

169

Which power connector is used by Parallel Advanced Technology Attachment (PATA) drive in portable computers?

The Four-pin Molex connector

170

Which types of computers use memory cards?

Portable computers

171

Which CPU technology issued in portable computers to reduce platform power and cap thermal dissipation of the computer?

CPU throttling

172

Which wireless technology allows a portable computer to communicate with other devices, such as a mouse, printer, or modem, using the least amount of power?

Bluetooth

173

Which Windows feature allows you to preserve your portable computer batteries by saving the contents of memory to the disk so they will be available the next time you log in?

The Hibernate feature

174

Which component of a computer motherboard stores the BIOS password?

CMOS chip

175

Which type of RAM is commonly used by a video adapter that dows not share the memory bus of the computer's RAM?

video RAM (VRAM)

176

Which two voltages are supported by a Molex connector in a desktop computer?

+5 V and +12 V

177

What is a disk array?

A system consisting of multiple drives that usually operate as a single entity

178

What should an IT technician be aware of when attaching a device to a Micro-ATX motherboard?

The number of slots

179

Where is thermal compound commonly applied in a computer?

Between the CPU and the heatsink

180

Which type of CPU socket is used by Pentium III and Celeron processors and is a replacement for the Slot 1 CPU interface?

Socket 370

181

Which type of edge connector is used by early versions of the AMD Athlon processor?

Slot A

182

How many pins are in a Slot 1 connector that is used to plug a Single Edge Contact (SEC) cartridge into a motherboard?

242 pins

183

Which edge connector is used to plug a Single Edge Contact (SEC) cartridge to a motherboard?

Slot 1

184

To which slot can an Accelerated Graphics Port 8x (AGP 8x) card be connected?

1.5 V

185

How many types of Accelerated Graphics Port (AGP) physical interfaces are there?

Two

186

Which three computer components must support Ultra ATA?

HDD, motherboard or add-on controller, and OS

187

Which operating systems do not support Ultra DMA?

DOW, MacOS, and NetWare

188

What is the purpose of the small hole on front of a CD drive?

It ejects the drive manually

189

How would you determine which type of RAM is required in a computer?

Open the case to verify the type of RAM

190

What is the maximum recommended length for an IEEE 1394 FireWire cable?

4.5 meters or 15 feet

191

What are the maximum data transfer speeds offered by 2x, 4x, and 8x Accelerated Graphics Port (AGP) bus devices?

2x - 533 MBps
4x - 1.07 GBps
8x - 2.1 GBps

192

What is level 1 cache?

A small, high-speed cache incorporated right onto the processor's chip

193

Which file system supports encryption and the largest partition size?

NTFS

194

What command do you type at the command prompt to clear the display?

CLS

195

What is the term for the smallest amount of disk space that can be allocated to hold a file?

A cluster

196

In terms of cluster size, the _____ file system is more efficient than the _____ file system.

The NTFS file system is more efficient than the FAT32 or FAT16 file systems.

197

What type of magnetic media can be taken off site and can back up several gigabytes of storage?

Digital Linear tape

198

Which computer component has the fastest throughput when accessing data?

Random Access Memory (RAM)

199

How many IDE devices can be installed on a typical ATX computer?

4

200

Which standard governs IDE hard drives?

Advanced Technology Attachment (ATA)

201

What is the maximum number of HDDs that can be connected to a single IDE cable?

2

202

Which type of current does a computer receive when you plug the computer into the wall?

Alternating current (AC)

203

Which connection type supports Enhanced Capabilities Port (ECP) for printers?

IEEE 1284

204

Enhanced Capabilities Port (ECP) and Enhanced Parallel Port (EPP) are part of which IEEE standard?

IEEE 1284

205

Which parallel port technology requires the use of a Direct Memory Access (DMA) channel?

Enhanced Capabilities Port (ECP)

206

Which IEEE 1284 bi-directional parallel port mode was designed for new generations of printers and scanners?

Enhanced Capabilities Port (ECP)

207

Which IEEE 1284 bi-directional parallel port mode is used primarily for non-printer peripherals, such as external CD-ROM and tape drives?

Enhanced Capabilities Port (ECP)

208

Which type of connector is used for a parallel printer port?

IEEE 1284

209

Which items are tested during POST test?

Memory, CPU, and if the computer has one, the video card

210

What is the name of the test that the computer performs at startup to test the memory and the CPU?

Power-On Self Test (POST)

211

Which type of memory is used in display adapters?

Video Random Access Memory (VRAM)

212

What are the 4 types of VRAM?

• Synchronous Graphics RAM
• Window RAM (WRAM)
• Multibank Dynamic RAM (MDRAM)
• Rambus Dynamic RAM (RDRAM)

213

What should you do to prevent damage to electrical components from voltage fluctuations and surges?

Connect the computer to a Uninterruptible Power Supply (UPS)

214

Which device contains a battery and Automatic Voltage Regulation (AVR) circuitry to protect a computer from power sags?

Uninterruptible Power Supply (UPS)

215

Which UPS feature provides protection from power surges and power drops?

Automatic Voltage Regulation (AVR)

216

What are the three most common motherboard form factors?

• Advanced Technology (AT)
• Advanced Technology Extended (ATX)
• New Low Profile Extended (NLX)

217

Which type of power connector is used in Advanced Technology Extended (ATX) motherboards?

20-pin power connector

218

Which motherboard form factor has Random Access Memory (RAM) expansion slots located at 90 degree angles to the Industry Standard Architecture (ISA) and Peripheral Component Interconnect (PCI) expansion slots?

Advanced Technology Extended (ATX) motherboards

219

Which port type operates at 12 Mbps and is used to connect multiple devices to a computer?

USB 1.1

220

Which component converts AC current to the DC voltage that a computer uses to operate?

Power supply

221

What are the five IEEE 1284 data transfer modes used for parallel ports?

• Compatibility mode
• Nibble mode
• Byte mode
• Enhanced Parallel Port (EPP)
• Enhanced Capabilities Port

222

What are the maximum data transmission speeds for the IEEE 1395 standards?

• 1394a - 400 Mbps
• 1394b - 800 Mbps

223

What should you do to determine the master and slave drives in a computer that has two drives installed on a primary IDE controller?

Check the jumper settings

224

Which Interrupt Request (IRQ) is reserved for primary IDE controller?

IRQ 14

225

Which Interrupt Request (IRQ) is reserved for secondary IDE controller?

IRQ 15

226

What type of UPS is used to convert AC to DC and converts the DC back to AC?

Dual conversion online UPS

227

What should you do to prevent your computer from increased voltage or brownouts?

Use a UPS

228

What are three categories of modern UPS?

• Online
• Line interactive
• Standby

229

What are the two commonly used central processing unit (CPU) cooling methods?

• Heat sink
• Fan

230

What is mapped at address rang A0000 to BFFFF (128 KB)?

Video RAM (VRAM)

231

What type of RAM is used to store image data for processing?

Video RAM (VRAM)

232

What two types of memory are dual ported?

• Windows RAM (WRAM)
• Video RAM (VRAM)

233

Where should you place the terminators on a computer that has one internal SCSI device, one external SCSI device, and one SCSI adapter?

Place a terminator on the internal SCSI device and a terminator on the external SCSI device

234

What should be the SCSI ID of the bootable device?

0

235

Which keyboard function key is used to refresh the desktop on a computer running Windows XP?

F5

236

Which keyboard function key is used to rename a file?

F2

237

Which keyboard function key is used to open help for a particular program on a computer running Windows XP?

F1

238

Which Interruptible Request (IRQ) is used for SCSI controllers?

IRQ 9

239

What should you do before installing SCSI devices?

Assign a unique ID to each SCSI device

240

What cable is used to connect SCSI devices to a computer?

50-pin ribbon cable

241

Which types of SCSI are used to connect 16 devices on a single SCSI cable?

Ultra Wide SCSI and Fast Wide SCSI

242

What is the data transfer rate of Fast Wide SCSI?

20 MBps

243

Which HDD component moves across the hard disk assembly to read the disk?

Head actuator

244

How are memory slots and expansion slots situated on an Advanced Technology Extended (ATX) motherboard?

At a right angle to each other

245

Which component on a motherboard supports slower devices, such as USB ports, IDE drives, and ISA slots?

South Bridge

246

Which hardware component is installed using the Pin Grid Array (PGA) architecture in a motherboard?

CPU

247

Which two wires from an AT power supply should be adjacent to each other on a motherboard?

Black wires

248

Which processor is used with Socket 370?

Pentium III processors

249

Where can you enable or disable the Hyper-Threading feature?

BIOS

250

What are the two types of S-video connectors available?

• mini-DIN 4
• mini-DIN 7

251

Which display type takes more space on a desk: an LCD or a CRT monitor?

CRT

252

How many pins are in a serial port DB-9 connector?

9

253

How many pins are in a parallel connector?

25

254

What type of connector is used to connect a joystick?

Game controller with 15 pins

255

How many pins are in an AT keyboard connector, also known as a Din 5 connector?

5

256

What are the three ways to connect a CRT or LCD panel to a computer system?

• Add-on video cards
• Video-only chipset on the motherboard
• motherboard chipset with integrated video

257

What are the basic components that are included in all video display adapters?

• Video BIOS
• Video processor
• Video memory
• Digital-to-analog converter (DAC)
• Bus connector
• Video driver

258

What is used by video adapters to store video images while the images are processed by the video adapter?

Video RAM (VRAM)

259

Which type of removable storage media uses a solid-state memory chip that requires no power to maintain its contents?

Flash memory media

260

Which memory technology is used by the Secure Digital (SD) card?

Flash memory technology

261

Which flash memory device provides encrypted storage of data?

Secure Digital (SD)

262

Which flash memory device contains a mechanical write-protection switch?

Secure Digital (SD)

263

What is a flash memory (non-volatile) memory card format used in portable devices, including digital cameras?

Secure Digital (SD)

264

In which unit is the amount of power output from a power supply measured?

Volts

265

What are the typical voltages output by the power supply unit in a PC?

• +3.3 volts
• +5.0 volts
• +12.0 volts

266

In addition to +3.0 volts, +5.0 volts, and +12.0 volts, which voltages are found on an ATX power supply?

• -12 volts
• -5 volts

267

Which two connectors used by a Pentium IV motherboard are NOT found in a standard ATX power supply?

A +12 volt connector with 4 pins and a +3.3/5 volt connector with 6 pins

268

Which PC devices use a voltage of +3.3 volts from a power supply?

• Chipsets
• DIMMs
• PCI/AGP cards
• Second Generation Pentium processors

269

What is the maximum number of devices that can be daisy-chained together with a USB?

127

270

How many Interrupt Requests (IRQ) does a USB bus use if multiple devices are attached to the USB bus?

One IRQ

271

Which type of USB hub should you use to avoid running out of power when connecting USB devices?

A self-powered hub

272

What is the maximum length for a cable using USB 2.0?

5 meters

273

Which type of socket design has a lever that allows easy installation and removal of a CPU on a motherboard?

Zero Insertion Force (ZIF)

274

Which type of CPU sockets are used for Intel Xeon processors?

Socket 603 and Socket 604

275

Which type of CPU socket eliminates the risk involved in installing or removing a processor by allowing you to install a CPU without requiring force, and to extract the CPU without requiring any tool?

Zero Insertion Force (ZIF) sockets

276

Which component should you use to improve the efficiency of a heat sink by up to 30 percent?

Thermal grease

277

Which unit is typically used to measure the amount of RAM in a computer?

Megabyte (MB) or gigabyte (GB)

278

Which RAM characteristic is expressed in nanoseconds (ns)?

Access or cycle time

279

Which bus determines the amount of RAM that a processor can access?

Address bus

280

Which type of RAM uses capacitors that need to be refreshed?

Dynamic Random Access Memory (DRAM)

281

Which type of RAM uses only transistors and does not need to be refreshed?

Static Random Access Memory (SRAM)

282

Which type of RAM supports integrated circuits (ICs) on one side of the card and must be installed in pairs?

Single In-line Memory Module SIMM (SIMM)

283

Which type of non-volatile memory enables users to easily update the ROM or firmware in their motherboards?

Flash memory

284

Which type of RAM achieves a doubling in performance by transferring twice per transfer cycle instead of by doubling the actual clock rate?

Double Data Rate (DDR) SDRAM

285

What are the three types of memory modules that are typically used in modern computers?

• Single In-line Memory Module (SIMM)
• Double In-line Memory Module (DIMM)
• Rambus In-line Memory Modulke (RIMM)

286

What is the clock speed of a PC600: 16-bit single channel RIMM?

300 MHz

287

What is the approximate clock speed of a RAM labeled DDR533?

266 MHz

288

What is the approximate transfer rate of a RAM labeled DDR533?

4,266 Mbps

289

What is the approximate clock speed of a RAM labeled PC1200?

600 MHz

290

Which type of computer software is also known as "firmware"?

ROM BIOS

291

Which firmware is used to start the system when the computer is turned on?

ROM BIOS

292

What is the maximum data transfer speed for USB 1.1 technology?

12 Mbps

293

Which ports are known as high-speed communication ports that outstrip the capabilities of older standard serial and parallel ports?

USB 2.0, IEEE 1394a, IEEE 1394b

294

What is the default size of L2 cache?

256 KB

295

Which type of RAM uses the front-side bus?

Double Data Rate (DDR) RAM

296

Which interrupt does the real-time clock use?

IRQ 8

297

What is the commonly used form factor for computer case and motherboard design?

The Advanced Technology Extended (ATX)

298

Which form factor standard was used before the Advanced Technology Extended (ATX) standard?

The Baby AT form factor

299

Which motherboard form factor standard is used for high-end, multi-processor, multi-hard disks servers and comptuers?

Workstation Technology Extended (WTX)

300

When a portable computer is in Standby mode, which component maintains power to documents and applications?

RAM

301

Which feature allows a computer to use hard disk space as RAM?

Virtual memory

302

Which type of memory has a metal jacket referred to as a "heat spreader" to dissipate the excess heat that is generated from the high-speed operation of the memory chips?

Rambus In-line Memory Module (RIMM)

303

What is the minimum number of DIMM memory modules requires for DIMM memory to work in a computer?

1

304

What is the width, in bits, of a 30-pin SIMM that is used in a portable computer as a video card?

8 bits in width

305

How many pins are on a DIMM?

168 pins

306

Besides 30 pins, what is the most common number of pins in a SIMM?

72 pins

307

Which type of RAM technology requires the installation of a continuity module n a socket that does not contain RAM?

RIMM

308

How many bits of data does a 72-pin SIMM transfer at a time?

32 bits of data

309

How many bits of data does a non-parity 168-pin DIMM transfer at a time?

64 bits of data

310

How many bits of data per cycle are used by the second generation of Double Data Rate (DDR) SDRAM?

4

311

Which type of device requires bus mastering?

PC card

312

Which driver supports Copy Protection for Recordable Media (CPRM) using a pass-through mechanism?

The SD bus driver

313

After Advanced Technology Extended (ATX) became a standard, what was the maximum number of heads supported by a HDD?

256

314

How many pins are in a USB connector?

4

315

How many pins are in a Mini-USB connector?

5

316

Which Interrupt Request (IRQ) is used to install the CD-ROM?

IRQ 15

317

What is the maximum length of Parallel Advanced Technology Attachment (PATA) cable wire?

45 cm

318

What is the default input/output (I/O) address for COM1?

03F8 - 03FF

319

What is the default input/output (I/O) address for COM4?

02E8 - 02EF

320

Which type of serial cable should you use to send the debugging information to another computer?

A COM2 cable

321

What is the default input/output (I/O) address for COM2?

02F8 - 02FF

322

What should be selected as the first boot device in the BIOS boot sequence if you require booting from a CD-ROM?

CD-ROM

323

What are the three basic requirements to use a USB keyboard with a computer?

USB port, USB keyboard driver, and the BIOS should also feature the USB legacy support

324

Which interrupt support should you enable in the BIOS to use a bootable CD-ROM device?

INT 13h

325

Where can you change the boot sequence for a computer?

Int he BIOS setup utility

326

Which utility should you use to specify the Num Lock status imposed during the boot?

BIOS setup utility

327

What does a system run when a PC is first powered on?

Power-On Self Test (POST)

328

What are the two alternate methods to diagnose errors that occur during the POST even before the video card is initialized?

Beeping and a typical POST card

329

What is the transfer rate in bits per second of a 56K modem?

56,000 bps

330

Which device is used to convert digital data to analog data for transmission over regular phone lines?

A modem

331

Which command-line utility is used to format a hard drive?

format

332

Which component is used to configure the bus frequency and frequency multiplier on older motherboards?

A jumper

333

What is the storage capacity of a 3.5" high-density floppy disk?

1.44 MB

334

How many pins are in a floppy disk cable?

34

335

What physical characteristic is present in the cable of a floppy drive connector?

A twist

336

How many pins are in a super VGA connector?

15 pins

337

Which adapter provides interface between your computer and your monitor and transmits the signals that appear as images on the display?

Video Display Adapter