Chapt 3 Flashcards
1
Q
CRT monitors are bulky and heavy, and almost certainly use an _______ signal (and _____ connector)
A
analog VGA
2
Q
three acronyms for LCD monitors:
A
twisted nematic (TN), vertical alignment (VA), and in-plane switching (IPS)
3
Q
______ monitors are the fastest but have the worst color performance and contrast ratios
A
TN
4
Q
______ are the slowest monitors but have the most vivid color contrasts
A
VA
5
Q
IPS in quality is on a scale between ________ and _______
A
TN and VA
6
Q
LCD monitor choice for gamers:
A
TN
7
Q
________ —technically, the vertical scan frequency—specifies how many times in one second the image on the screen can be completely redrawn
A
refresh rate
8
Q
refresh rate is measured in _______
A
Measured in screen draws per second, or hertz (Hz)
9
Q
Higher _______ ________ translate to more fluid video motion
A
refresh rates
10
Q
lowest standard refresh rate for LCD
A
60 Hz
11
Q
LCD refresh rate could be as high as ________ or ______
A
240 - 360 Hz
12
Q
_________ is defined by how many software picture elements (pixels) are used to draw the screen
A
Resolution
13
Q
LCD, for best results you should use the monitor’s ______ _______, which comes from the placement of the transistors in the hardware display matrix of the monitor.
A
native resolution
14
Q
____________ refers to the relationship between the horizontal and vertical pixel counts that a monitor can display
A
aspect ratio
15
Q
1080p _____ ______ Definition (______ × ______) usually for monitors that are ____ inches
A
1080p/Full High Definition (FHD) (1920 × 1080) This is the basic resolution used today. It’s tenable for monitors up to 24”
16
Q
1440p _____ ______ Definition (______ × ______) usually for monitors that are ____ inches
A
1440p/Quad High Definition (QHD) (2560 × 1440) For 27” or larger monitors, also called 2k resolution
17
Q
2160p _____ ______ Definition (______ × ______)
A
2160p/Ultra High Definition (UHD) (3840 × 2160) Commonly referred to as 4k
18
Q
TRS connectors
And the size in inches and mm.
A
Tip, Ring and Sleeve connector is a 1/8” or 3.5mm audio connector
The tip provides left audio, the first band above the black groove (the ring) provides right audio, and the sleeve is the ground.
19
Q
Although the computer mouse was born in the 19___s at Xerox’s Palo Alto Research Center (PARC), it was in 19___ that Apple made the mouse an integral part of the personal computer with the introduction of the Macintosh
A
1970 and 1984
20
Q
KVM switch
A
keyboard, video, and mouse
21
Q
do NAS devices contain their own operating system?
A
YES, the NAS device contains its own operating system, meaning that it acts like its own file server.
22
Q
A _____ is a generic name for any connector on a computer or peripheral into which a cable can be plugged.
A
port
23
Q
A ______ is simply a way of connecting a peripheral or other device to a computer using multiple copper or fiber-optic conductors inside a common wrapping or sheath
A
cable
24
Q
USB host controllers can support up to ? devices, which is accomplished through the use of a ?-bit identifier
A
127 devices with a 7-bit identifier
25
For USB The ____th identifier, the highest address, is used for broadcasting to all endpoints
128
26
are USB ports considered networkable ports?
no
27
usb 1.1 was released in ?
1998
28
USB 1.1 Release Year - Speed - Trade Name - Color
USB 1.1 1998 12 Mbps Full-Speed White
29
USB 2.0 Release Year - Speed - Trade Name - Color
USB 2.0 2000 480 Mbps Hi-Speed Black
30
USB 3.0 Release Year - Speed - Trade Name - Color
USB 3.0 2008 5 Gbps SuperSpeed Blue
31
USB 3.1 Release Year - Speed - Trade Name - Color
USB 3.1 2013 10 Gbps SuperSpeed+ Teal
32
USB 3.2 Release Year - Speed - Trade Name - Color
USB 3.2 2017 20 Gbps SuperSpeed+ Red
33
USB 4 Release Year - Speed - Trade Name - Color
USB4 2019 40 Gbps
34
a yellow USB port means?
A yellow USB port is “always on,” meaning it's capable of charging a connected device even if the PC is sleeping or shut down.
35
Typical power for attached USB devices is ?V
5V
36
USB 3.1 and USB-C are the same
false
USB 3.1 can be implemented using classic A and B connectors, and USB 2.0 can work over a Type-C connector.
37
Lighting connector was introduced in _______ with the iPhone 5
2012
38
the lightning connector has ____ pins now instead of the 30-pin dock connector
8-pin connector
39
thunderbolt was released in _____?
2011
40
thunderbolt 1 speed =
10 Gbps
41
thunderbolt 2 speed =
20 Gbps
42
thunderbolt 3 speed =
40 Gbps with a usb c connector
43
thunderbolt 4 speed =
40 Gbps with a usb c connector
44
Thunderbolt is a combination of which two technologies?
Display port and PCIe
45
how many pins are on a standard (Type A) HDMI connector?
19
46
how many more pins does a dual link DVI-D connector have than a single link DVI-D connector?
6
47
what connector type provides power to an IDE hard drive
molex
48
what is the max speed of USB 3.0?
5 Gbps
49
two analog video connectors are ____ and ____
VGA and DVI-A
50
what is the name of the apple proprietary connector used on the iPhone 12?
lightning
51
name three types of internal hard drive cables.
SATA, IDE, SCSI
52
a DB-9 connector is found on which type of cable?
Serial
53
what is the difference between USB 3.1 and USB-C?
USB 3.1 is a standard type, and USB-C is a connector type
54
Order these from slowest to fastest: SAS-3, IDE, SATA 3.0
IDE 100 Mbps
SATA 3.0 6Gbps
SAS-3 12Gbps
55
______ is a video standard that supports digital audio as well.
HDMI
56
how many pins does a VGA connector have?
15
57
a peripheral serial cable will have which type of connector?
DB-9 or RS-232
58
what does a molex connector do?
provides power to legacy IDE hard drive or optical drive
59
which USB cable type provides for the best speeds?
USB-C
60
a lightning connector is found on which type of cable?
USB
61
external storage devices will typically connect using one of which two technologies?
eSATA or USB
62
what is the difference between DVI-A and DVI-D?
DVI-A is analog
DVI-D is digital
63
how do you connect a DVI monitor to an HDMI video card?
with a DVI to HDMI adapter
64
USB4 provides data rates up to ______.
40 Gbps
65
USB4 was based on which standard?
thunderbolt 3
66
Which of the following could be used with an analog monitor? (Choose two.)
A) HDMI
B) DVI-A
C) DVI-D
D) DisplayPort
E) VGA
B, E. Analog monitors require an analog signal. VGA is an analog video standard and will work. DVI‐A is also analog. (DVI‐I would work as well.) HDMI, DVI‐D, and DisplayPort are all digital standards.
67
You are attaching an external hard drive to a computer with USB 2.0 ports. The user is concerned about data transfer speed. What is the maximum speed of USB 2.0?
a 480 Mbps
b 5 Gbps
c 10 Gbps
d 20 Gbps
A. USB 2.0 has a maximum speed of 480 Mbps.
USB 3.0 is 5 Gbps,
USB 3.1 is 10 Gbps,
USB 3.2 is 20 Gbps, and
USB4 is up to 40 Gbps.
68
You got a new desktop computer for a designer at your company. On the front panel is a rectangular yellow USB port. What does that mean?
A) It's USB 2.0.
B) It's USB 3.0.
C) It's a port capable of charging devices even with the system powered off.
D) It's a port to be used with USB-C compatible devices.
C. A yellow USB port is an “always on” charging port. It could be either USB 2 or USB 3. USB‐C connectors are oval in shape vs. the older rectangular USB connectors.
69
You are installing a replacement monitor on a desktop computer. Which of the following is true regarding a monitor's refresh rate?
A) As long as the graphics adapter can refresh the image at a particular rate, the attached monitor can accommodate that refresh rate.
B) The refresh rate is normally expressed in MHz.
C) The refresh rate is normally selected by using the controls on the front panel of the monitor.
D) As you lower the resolution, the maximum refresh rate allowed tends to increase.
D. As you lower the resolution, the maximum refresh rate allowed tends to increase. The refresh rate is most often expressed in cycles per second (Hz), not millions of cycles per second (MHz). You must usually select the refresh rate that you want from the display settings dialog boxes, not through the monitor’s built‐in menu system, although the monitor can often tell you the refresh rate that you’re using. Finally, both the monitor and adapter must agree on the refresh rate you select. If either device does not support a particular refresh rate, such a rate cannot be used.
70
Which of the following connector types is typically not associated with hard drive use?
USB-C, eSATA, DB-9, SCSI
DB-9.
DB‐9 connectors are most often used with serial cables and are not associated with hard drives. USB‐C, eSATA, and SCSI are examples of connectors used with hard drives.
71
The company photographer is interested in buying a new digital camera. He wants to be able to plug it directly into his laptop to transfer pictures for editing. What type of connector will most likely be on his camera?
A) Mini-USB
B) Thunderbolt
C) Molex
D) Lightning
A. For smaller electronic devices such as cameras, micro‐USB and mini‐USB connectors are common. Thunderbolt is primarily used for video. Molex is a power connector. Lightning is the Apple proprietary connector.
72
You are installing a new video card that has an HDMI port. Which of the following is true about HDMI cables? (Choose all that apply.)
A) They can transmit analog or digital signals.
B) They can transmit audio as well as video.
C) They are not used to connect to projectors.
D) They can use HDMI or mini-HDMI connectors.
B, D. HDMI cables transmit digital video and audio signals. They can be used to connect to projectors or monitors. HDMI cables can have standard HDMI connectors, mini‐HDMI connectors, or micro‐HDMI connectors.
73
Which of the following display interfaces is equivalent to DisplayPort with PCIe added in?
A) Thunderbolt
B) HDMI
C) DVI
D) VGA
A. Intel and Apple collaborated on Thunderbolt to add PCIe to VESA’s DisplayPort and to make the resulting interface smaller and less expensive to connect. HDMI, DVI, and VGA are not equivalent to DisplayPort with PCIe added in.
74
Which two of the following standards use the same connector? (Choose two.)
A) eSATA
B) Thunderbolt 3
C) USB4
D) USB 2.0
E) Mini-USB
B, C. USB4 is based on the Thunderbolt 3 specifications, and both natively use USB‐C connectors.
75
How do you connect a DVI-A interface on a peripheral to a DVI-D interface on the computer?
A) With a DVI-I cable.
B) With a cable that is terminated on one end with a DVI-A connector and on the other end with a DVD-D connector.
C) You wouldn't interconnect those two interfaces.
D) With a standard DVI cable.
C. Such a connection should not be made. DVI‐I cables act like universal cables; they can connect two DVI‐A interfaces or two DVI‐D interfaces with adapters. Natively, they are used to connect two DVI‐I interfaces, both of which are configured as either analog or digital. They are unable to convert the analog signal to a digital one, however. Analog and digital DVI interfaces are too disparate to interconnect.
76
A technician says he needs to provide power to an older IDE hard drive and a DVD-ROM in a desktop. The computer now has a new fully modular power supply, and the technician wants to know what type of power connectors he should use. What do you tell him?
SATA, SCSI, Serial, Molex
Molex .
A Molex connector is a power connector for IDE (PATA) storage devices. This includes hard drives and optical drives.
77
Which of the following connectors is oval shaped?
A) Micro-USB
B) Mini-USB
C) Thunderbolt 2
D) Thunderbolt 3
D. Thunderbolt 3 uses the oval‐shaped USB‐C connector. Thunderbolt 2 used a proprietary connector that was more of a square. Micro‐USB and mini‐USB connectors look more like trapezoids.
78
Which of the following connector types are capable of conducting power and transmitting data? (Choose all that apply.)
A) Lightning
B) Molex
C) USB-C
D) DB-9
E) Micro-USB
A, C, E. USB cables and eSATA cables can transmit power and data. You will find Lightning, USB‐C, and micro‐USB connectors on the ends of USB cables. A Molex connector is power‐only. A DB‐9 is for serial cables and is data‐only.
79
Which of the following statements is true about eSATA cables and connectors?
A) eSATA cables provide power and data to devices.
B) eSATA connectors are smaller than USB-C connectors.
C) eSATA is faster than USB4 and Thunderbolt 3.
D) eSATA maximum throughput is 6 Gbps.
D. The eSATA standards limit throughput to 6 Gbps, which is much slower than USB4 and Thunderbolt 3, both of which can get to 40 Gbps. Standard eSATA cables do not provide power, although there are versions of eSATA that do include power. The connectors are larger than USB‐C connectors.
80
Which of the following is not an example of a connector for a standard peripheral input device?
1/8" jack, Molex, D-sub, USB
Molex.
Peripherals most often use USB today, but they can also use D‐sub connectors (rarely), and audio devices such as microphones and speakers use 1/8" jacks. Molex connectors are power connectors for PATA hard drives and optical drives.
81
You are asked to hook up a projector in a classroom. What type of cable are you most likely to need?
A) USB Type A
B) eSATA
C) HDMI
D) DB-9
C. A projector uses a standard video cable. In this case, HDMI is the most likely choice. eSATA is for hard drives, and DB‐9 is a slow serial cable. It’s possible that the projector has a USB interface, but the best selection is HDMI.
82
A user with an iPhone 12 needs to charge her device and asks you to bring a cable. Which of the following connector types should you ensure that the cable has?
A) Thunderbolt
B) Lightning
C) Mini-USB
D) Micro-USB
B. Starting with the iPhone 5, Apple products use the proprietary Lightning connector for charging and connecting peripherals. Thunderbolt connectors are on MacBooks for peripherals. iPhones do not have built‐in mini‐ or micro‐USB connectors.
83
Which of the following types of cables will transfer data at the slowest rate?
A) USB4
B) Serial
C) Thunderbolt 3
D) HDMI
B. Classic serial ports and serial cables have the slowest data transmission speeds of any cable discussed in this chapter.
84
What is the maximum data transfer rate of USB High Speed?
10 Gbps, 5 Gbps, 480 Mbps, 12 Mbps
480 Mbps.
Full Speed USB is 12 Mbps.
High Speed is 480 Mbps.
SuperSpeed runs at 5 Gbps and
SuperSpeed+ at 10 Gbps.
85
VGA cables use what type of signal between the adapter and monitor?
A) Digital
B) Analog
C) Composite
D) Compressed
B. VGA signals are analog, uncompressed, component signals that carry all of the video information for all three components of the original RGB signal. VGA signals are not digital, composite, or compressed.
86
Which DVI is this:
xxx xxx
— xxx xxx
xxx xxx
DVI-D single link
87
Which DVI is this:
xxxxxxxx
— xxxxxxxx
xxxxxxxx
DVI-D dual link
88
X X X X X X X X
—- X X X X X X
X X X X X X X X
DVI-I single link
89
X X X X X X X
—- X X X
X X X X X X
DVI-A
90
eSATA I Speed:
1.5Gbps
91
eSATA II Speed:
3.0 Gbps
92
eSATA III Speed:
6.0 Gbps
93
Put in order the electrophotographic imaging process
Processing, cleaning, transferring, developing, exposing, fusing, charging
Processing, charging, exposing, developing, transferring, fusing, cleaning
94
USB host controllers have a ?-bit identifier
8
95
Users report that documents are not printing the a shared printer. You ping the device and confirm it's on and connected to the network and print a test page. What should you do next?
A) reconfigure tcp/ip settings
B) restart the print spooler
C) remove and reinstall the printer
D) reinstall the print drivers
Restart The Print Spooler
96
Thunderbolt one has a maximum throughput of what?
10 Gbps
97
Thunderbolt 2 has a maximum throughput of what?
20Gbps and can support 4k display
98
Thunderbolt 3 has a maximum throughput of what?
40 Gbps
99
Thunderbolt 4 has a maximum throughput of what?
40Gbps
100
When used with network scanning services, which option does SMB allow for?
A) scan to email
B) scan to cloud
C) scan to secured print
D) scan to folder
Scan to folder
101
Which of these is a set of signal Pathways between the CPU and external cash memory?
A) Northbridge subset
B) BSB
C) FSB
D) Southbridge subset
BSB
102
Which of these refers to the relationship between the horizontal and vertical pixel count that a monitor can display?
A) aspect ratio
B) resolution
C) refresh rate
D) OLED
Aspect ratio
The refresh rate specifies how many times in one second the image on the screen can be completely redrawn.
Resolution is defined by how many software picture elements pixels are used to draw the screen.
103
Which of these is not generally attributed to an intermittent Wireless issue?
A) microwave ovens
B) Bluetooth devices
C) radar
D) wireless Access points
Wireless access points
104
Which of these is the program used to boot windows?
A) winres.exe
B) win.exe
C) resume.exe
D) winload.exe
winload.exe
105
To properly remove malware from an infected computer, you should perform the following steps.
1) identify malware symptoms.
2) Quarantine infected systems
3) Disable system restore
4) Remediate infected systems
5) Schedule scans and updates
6) Enable system restore and create a restore point
7) Educate end users
106
Which of the following capabilities and features were introduced with Thunderbolt 3? Choose all that apply.
A) it uses DisplayPort 1.2
B) it has 10Gbps ethernet support
C) it has a maximum throughput of 20Gps
D) it uses a USB-C connector
B, D
DisplayPort 1.2 compatibility was first introduced with Thunderbolt 2
107
Which of the following are the differences between DVI-D and DVI-A interfaces? Choose all that apply.
A) DVI-A interfaces have the same color code as VGA interfaces
B) DVI-D connector is narrower than that of DVI-A
C) DVI-A interfaces are larger than DVI-D interfaces
D) DVI-A interfaces have more pens than DVI-D interfaces
E) DVI-A devices cannot be driven passively by HDMI ports directly unlike DVI-D devices
B, E
108
What is the maximum speed of USB 2.0?
A) 5 Gbps
B) 10 Gbps
C) 20 Gbps
D) 480 Mbps
USB 2.0 = 480 Mbps
USB 3.0 = 5 Gbps
USB 3.1 = 10 Gbps
USB 3.2 = 20 Gbps
USB4 = 40 Gbps
109
What is the maximum data transfer rate of USB high-speed?
480 Mbps
110
What is the maximum data transfer rate of USB full speed?
12 Mbps
111
What is the maximum data transfer rate of USB super speed?
5 Gbps
112
What is the maximum data transfer rate of USB super speed+?
10 Gbps
113
An IDE ribbon cable has how many pins?
40
114
What display interface is equivalent to DisplayPort with PCIe added in?
Thunderbolt
115
What connectors are oval shaped?
Thunderbolt 3 and USB - C
116
What does a rectangular yellow USB port mean?
It is a port capable of charging devices even when the system is powered off.
117
Which of the following features are incorporated into the USB 3.0 standard? Choose all that apply.
A) enhanced power efficiency
B) full duplex communication
C) backward compatibility with USB 2.0 and 1.1
D) maximum data transfer rate of 480 Mbps
A, B, C
118
Which cables use the same connector? Choose all the apply.
A) USB4
B) USB 2.0
C) Thunderbolt 2
D) Thunderbolt 3
USB 4 and Thunderbolt 3 both use USB-C connectors
