IT 105 Final GMU 2024/25; Questions & Answers 100% Solved
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Course
IT 105 GMU
Institution
IT 105 GMU
IT 105 Final GMU 2024/25; Questions &
Answers 100% Solved
Expansion Ports Correct answer-Ports in the system unit of digital devices used for
connecting cables and various add-ons to expand the options for input , output, and storage
Local Bus Correct answer-Carries data at high speeds betwee...
IT 105 Final GMU 2024/25; Questions &
Answers 100% Solved
Expansion Ports Correct answer-Ports in the system unit of digital devices used for
connecting cables and various add-ons to expand the options for input , output, and storage
Local Bus Correct answer-Carries data at high speeds between the processor and RAM
Expansion Bus Correct answer-Carries data between RAM and external devices that are
connected to ports on the system unit
Hot-Plugging Correct answer-When a peripheral device is connected or disconnected
while the host device is operating
Bluetooth Correct answer-A common wireless technology for connecting peripherals
What makes Bluetooth good for mobile devices? Correct answer-It low-power so it is
ideal for mobile devices that don't have big batteries
Bluetooth's Range: Correct answer-30 feet
Bluetooth's Transfer Speed: Correct answer-Slow compared to wired connections
(~3Mbps)
USB 2.0 Transfer Speed: Correct answer-~480 Mbps
, IT 105 Final GMU 2024/25; Questions &
Answers 100% Solved
FireWire Transfer Speed: Correct answer-~800 Mbps
USB 3.0 Transfer Speed: Correct answer-~5Gbps
Thunderbolt Transfer Speed: Correct answer-~10 Gbps
Device Driver Correct answer-Software that helps a peripheral device establish
communication with its host device
Computer Display Correct answer-A device that simply displays text and images
A computer display is classified as a(n): Correct answer-Output device
Touchscreens are classified as Correct answer-Both input and output devices
Display devices can be Correct answer-Standalone display devices, sometimes called
monitors, are popular for desktop computers.
OR
, IT 105 Final GMU 2024/25; Questions &
Answers 100% Solved
Built-in display devices for laptops, tablets, and handheld devices, but these devices may also
accept a standalone display device
LCD(Liquid Crystal Display) Technology: Correct answer-Technology that produces an
image by filtering light from a backlight through a layer of liquid crystal cells(One Red, One Blue,
and One Green crystal)
LED(Light-Emitting Diode) Technology: Correct answer-Uses LEDs as the video display.
This technology is replacing CCFL backlighting technology
Advantages of LCD Screens: Correct answer--Display Clarity
-Low Radiation Emission
-Portability
-Compactness
What is the source of backlighting in a LCD screen? Correct answer-Cold Cathode
Florescent Lamp (CCFL)
The liquid crystal cells used in display devices do not directly emit light, so ____ is necessary.
Correct answer-Backlighting
, IT 105 Final GMU 2024/25; Questions &
Answers 100% Solved
Factors that affect image quality: Correct answer-Screen size, response rate, dot pitch,
and screen resolution
Screen Size Correct answer-The measurement in inches from one corner of the screen
diagonally across to the opposite corner
Response Rate Correct answer-The time it takes for one pixel to change from black to
white then back to black
Display devices with fast response rates display a crisp image with minimal ______?
Correct answer-Blurring or "ghosting" of moving objects
What is Response Rate measured in? Correct answer-Milliseconds
For gaming systems, a response rate of ____ or less is desirable. Correct answer-5ms
Dot Pitch (dp) Correct answer-The LED's that form an image on the screen are spaced in a
grid; dp is the distance in millimeters between like-colored LEDs
What is Dot Pitch measured in Correct answer-Millimeters
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