Module 8

Question 1

T/F: Every installed device requires a device driver to control the device.

Answer 1

True

Question 2

T/F: The official standard for USB interfaces is called IEEE 1394.

Answer 2

False

Question 3

T/F: A KVM switch allows you to use one monitor, mouse, and keyboard for multiple computers.

Answer 3

True

Question 4

T/F: DDR memory is faster than GDDR memory since it is used by the CPU.

Answer 4

False

Question 5

T/F: A 32-bit driver can be used in a 64-bit operating system.

Answer 5

False

Question 6

What icon might you see in Device Manager that indicates a problem with a device?

Answer 6

yellow triangle

Question 7

What term refers to horizontally torn images on a screen, which occur when the video feed from the video controller gets out of sync with the refresh rate of the monitor?

Answer 7

artifacts

Question 8

What type of backlighting receives DC power directly from a motherboard and doesn’t use an inverter?

Answer 8

LED

Question 9

What type of backlighting is also called fluorescent backlighting, and was first used in laptop monitors?

Answer 9

CCFL

Question 10

If a user on a laptop complains that they are unable to sign into Windows even though they are certain they are entering the correct password, what should you have them do?

Answer 10

check the NumLock indicator on the laptop

Question 11

What might be the cause of a black screen right after you install a new video card?

Answer 11

the onboard video is not disabled in BIOS

Question 12

Which statement regarding the Firewire standard is accurate?

Answer 12

FireWire devices are hot-swappable

Question 13

Which of the following is a requirement for supporting the Aero user interface?

Answer 13

DirectX 9 or higher

Question 14

What is the distance between adjacent dots on a screen known as?

Answer 14

pixel pitch

Question 15

When installing a new device, which statement is accurate?

Answer 15

a mouse may not require an additional device driver installation

Question 16

What happens when a flash memory card is installed in a slot and it is recognized by Windows?

Answer 16

a drive letter is assigned to the device and you can see it in Explorer

Question 17

When a static image stays on a monitor for many hours leaving a permanent impression of that image on the monitor, what term is used to describe the condition?

Answer 17

burn-in

Question 18

In order to enable the Windows 7 Aero user interface, how much video memory must be available to the video controller?

Answer 18

128MB

Question 19

What is a basic principle that applies to both internal and external devices?

Answer 19

for most installations, install the device first, then the device driver

Question 20

Which type of video port provides a digital-only signal?

Answer 20

DVI-D

Question 21

Involving both software and hardware, what technology is meant to protect digital content and prevent piracy?

Answer 21

DRM

Question 22

What should you install in a server room that will save space by allowing you to control multiple servers with a single mouse, keyboard, and monitor?

Answer 22

a KVM switch

Question 23

A SuperSpeed USB port is capable of attaining what maximum data transfer speed?

Answer 23

5 Gbps

Question 24

When might an LCD monitor experience distorted geometry?

Answer 24

the screen is not set to native resolution

Question 25

Which statement regarding the USB standard and USB devices is accurate?

Answer 25

a USB cable has four wires, two for power and two for communication

Question 26

What two wireless technologies share the same radio frequency range?

Answer 26

802.11b | Bluetooth

Question 27

When using an HDMI to DVI adapter, what two DVI port types will the adapter work with?

Answer 27

DVI-D | DVI-I

Question 28

What two colored RCA connectors in a component video cable are used for audio?

Answer 28

red | white

Question 29

What are the two common classes of LCD monitors?

Answer 29

``` Twisted Nematic (TN) In-Plane Switching (IPS) ```

Question 30

VGA mode includes what two resolutions for troubleshooting monitors?

Answer 30

640 x 480 | 800 x 600

Question 31

infrared (IR)

Answer 31

an outdated wireless technology used to connect personal devices, has been replaced by Bluetooth

Question 32

digitizer

Answer 32

another term for graphics tablet, which is used to hand draw

Question 33

dxdiag.exe

Answer 33

used to display information about hardware and diagnose problems

Question 34

HDMI connector

Answer 34

transmits both digital video and audio, most common type is the Type A 19-pin

Question 35

OLED

Answer 35

uses a thin LED layer or film between two grids of electrodes

Question 36

projector

Answer 36

used to cast a transparent image onto a large screen

Question 37

refresh rate

Answer 37

the number of times a monitor screen is built or refreshed in one second

Question 38

stylus

Answer 38

used with a graphics tablet and works like a pencil

Question 39

contrast ratio

Answer 39

the relative difference between light and dark areas on a video screen

Question 40

ghost cursor

Answer 40

a trail left behind when you move the mouse

Question 41

What is MIDI?

Answer 41

musical instrument digital interface. | a set of standards that are used to represent music in digital form.

Question 42

What is DisplayPort?

Answer 42

designed to replace VGA, DVI, and HDMI. | can transmit digital video and audio.

Question 43

How does an OLED monitor work?

Answer 43

organic light-emitting diode. | uses thin LED layer/film between two grids and does not use backlighting.

Question 44

Describe a touch screen device.

Answer 44

an input device that uses monitor/LCD panel as the backdrop for input options.

Question 45

What is a KVM switch and how might one be useful?

Answer 45

keyboard, video, mouse. allows you to use one keyboard, monitor, and mouse for multiple computers. useful in server room or testing lab.

Question 46

Describe an S-Video port.

Answer 46

4-pin or 7-pin round port. used by some televisions and video equipment. older video cameras use 6-pin variation.

Question 47

What is a biometric device, and how is it used?

Answer 47

an input device that inputs biological data about a person, used to identify them.

Question 48

What is DirectX?

Answer 48

a microsoft software development tool that software developers can use to write multimedia applications. components include directdraw, directmusic, directplay, direct3D

Question 49

How does Light-Emitting Diode (LED) backlighting work, and how do you identify a monitor that uses LED?

Answer 49

receives its DC power from motherboard and doesn't use an inverter. use less mercury. advertised as LED, know monitor is an LCD that uses LED backlighting.

Question 50

What is a barcode reader and how are they typically connected to a computer?

Answer 50

used to scan barcodes on products. | used at POS or when taking inventory.