100% satisfaction guarantee Immediately available after payment Both online and in PDF No strings attached
logo-home
Previously searched by you
Previously searched by you
logo
IT 105 Final GMU Exam Questions With Correct Answers $12.49
Add to cart
Quickly navigate to
Preview
  2.  
  3. GMU IT 105
  4.  
  5. GMU IT 105

Exam (elaborations)

IT 105 Final GMU Exam Questions With Correct Answers
 0 purchase
  • Course
  • GMU IT 105
  • Institution
  • GMU IT 105

IT 105 Final GMU Exam Questions With Correct Answers Expansion Ports - answerPorts 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 - answerCarries data at high speeds between the processor and R...

[Show more]

Preview 4 out of 38  pages

Document information

  • August 28, 2024
  • 38
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

Subjects

  • it 105 final gmu exam questions with correct answe

Written for

  • GMU IT 105
  • GMU IT 105

Seller

avatar-seller
Thebright

Reviews received

Content preview

©THEBRIGHT EXAM STUDY SOLUTIONS 8/21/2024 1:28 PM



IT 105 Final GMU Exam Questions With
Correct Answers

Expansion Ports - 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 - answer✔✔Carries data at high speeds between the processor and RAM

Expansion Bus - answer✔✔Carries data between RAM and external devices that are connected
to ports on the system unit

Hot-Plugging - answer✔✔When a peripheral device is connected or disconnected while the host
device is operating

Bluetooth - answer✔✔A common wireless technology for connecting peripherals

What makes Bluetooth good for mobile devices? - answer✔✔It low-power so it is ideal for
mobile devices that don't have big batteries

Bluetooth's Range: - answer✔✔30 feet

Bluetooth's Transfer Speed: - answer✔✔Slow compared to wired connections (~3Mbps)

USB 2.0 Transfer Speed: - answer✔✔~480 Mbps

FireWire Transfer Speed: - answer✔✔~800 Mbps

USB 3.0 Transfer Speed: - answer✔✔~5Gbps

Thunderbolt Transfer Speed: - answer✔✔~10 Gbps

Device Driver - answer✔✔Software that helps a peripheral device establish communication with
its host device

Computer Display - answer✔✔A device that simply displays text and images

A computer display is classified as a(n): - answer✔✔Output device

Touchscreens are classified as - answer✔✔Both input and output devices

,©THEBRIGHT EXAM STUDY SOLUTIONS 8/21/2024 1:28 PM
Display devices can be - answer✔✔Standalone display devices, sometimes called monitors, are
popular for desktop computers.


OR


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: - 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: - answer✔✔Uses LEDs as the video display. This
technology is replacing CCFL backlighting technology

Advantages of LCD Screens: - answer✔✔-Display Clarity
-Low Radiation Emission
-Portability
-Compactness

What is the source of backlighting in a LCD screen? - answer✔✔Cold Cathode Florescent Lamp
(CCFL)
The liquid crystal cells used in display devices do not directly emit light, so ____ is necessary. -
answer✔✔Backlighting

Factors that affect image quality: - answer✔✔Screen size, response rate, dot pitch, and screen
resolution

Screen Size - answer✔✔The measurement in inches from one corner of the screen diagonally
across to the opposite corner

Response Rate - 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 ______? -
answer✔✔Blurring or "ghosting" of moving objects

What is Response Rate measured in? - answer✔✔Milliseconds

For gaming systems, a response rate of ____ or less is desirable. - answer✔✔5ms

,©THEBRIGHT EXAM STUDY SOLUTIONS 8/21/2024 1:28 PM
Dot Pitch (dp) - 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 - answer✔✔Millimeters

Screen Resolution - answer✔✔The number of horizontal and vertical pixels that a device
displays on the screen.

What is an alternate way of expressing resolution? - answer✔✔Pixels per inch (ppi)

Examples of Touchscreen Technology - answer✔✔-Tablets
-Handheld devices
-Retail Store Self-Checkout devices
-ATMs

Touchscreen Gestures: - answer✔✔Tap, drag, pinch

Types of Touchscreen Technology - answer✔✔Resistive and Capacitive

Resistive Touchscreens - answer✔✔Contain a base panel and a flexible top layer separated by a
small space. Pressing slightly on the top layer brings it into contact with the base layer, and the
point of contact is collected and passed to the processor

Resistive technology is susceptible/not susceptible to: - answer✔✔Susceptible: Sharp Objects
Not Susceptible: Dust or Water

Capacitive Touchscreens: - answer✔✔Contains a transparent panel coated with a thin layer of
electrically conductive material. Because the human body is an electrical conductor, touching the
screen produces a change in the electrical current. A special capacitive stylus or touchscreen
gloves can also be used to operate this type of screen.

Capacitive Screens can interpret: - answer✔✔A single touch or more complex inputs such as
handwriting.

How does one input text when no physical keyboard is available? - answer✔✔Virtual Keyboard

Graphic Hardware Required for Display Devices: - answer✔✔Integrated Graphics and
Dedicated Graphics

Integrated Graphics - answer✔✔Built into a computer's system board

Dedicated Graphics - answer✔✔Mounted on a small circuit board called graphics card (or video
card)

, ©THEBRIGHT EXAM STUDY SOLUTIONS 8/21/2024 1:28 PM
A graphics card contains what two key elements? - answer✔✔Graphics Processing Unit (GPU)
and special video memory

Video Memory - answer✔✔Stores screen images as they are processed but before they are
displayed

Difference between Integrated Graphics and Dedicated Graphics - answer✔✔Integrated
Graphics have image data processed by the main CPU, then sent to the graphics circuits that
stream the image to the display device.


Dedicated Graphics have image data processed by the GPU, freeing the CPU for other tasks.

Types of Printer Technology: - answer✔✔Ink Jet or Laser

Multi-function Printers can also serve as: - answer✔✔-Scanners
-Copiers
-Fax Machines

How does an Inkjet Printer work? - answer✔✔It has a nozzle-like print head that sprays ink onto
paper to form characters and graphics

Why are ink jet printers the most popular types of printers? - answer✔✔They are inexpensive
and produce both color and black-and-white printouts. They work well for most home and small
business applications. Ink jet technology also powers many photo printers, which are optimized
to print high-quality images produced by digital cameras and scanners.

Laser Printer Technology: - answer✔✔Uses the same technology as a photocopier

Advantage to Laser Printers over Ink Jet: - answer✔✔Laser Printers are faster

Laser Printers are more expensive than Ink Jet because: - answer✔✔It is more complex than Ink
Jet Technology

Main Application for Laser Printers: - answer✔✔Business - to print in large volumes

Types of Laser Printers: - answer✔✔Basic - Black and White
Color - more costly

Internet of Things (IoT) - answer✔✔A network of IoT devices that are connected to Internet and
output the data that is captured by their sensors such as the temperature sensor inside your home
thermometer, or the GPS sensor in your smart phone device.

The benefits of buying summaries with Stuvia:

Guaranteed quality through customer reviews

Guaranteed quality through customer reviews

Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.

Quick and easy check-out

Quick and easy check-out

You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.

Focus on what matters

Focus on what matters

Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!

Frequently asked questions

What do I get when I buy this document?

You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.

Satisfaction guarantee: how does it work?

Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.

Who am I buying these notes from?

Stuvia is a marketplace, so you are not buying this document from us, but from seller Thebright. Stuvia facilitates payment to the seller.

Will I be stuck with a subscription?

No, you only buy these notes for $12.49. You're not tied to anything after your purchase.

Can Stuvia be trusted?

4.6 stars on Google & Trustpilot (+1000 reviews)

69252 documents were sold in the last 30 days

Founded in 2010, the go-to place to buy study notes for 15 years now

Start selling
$12.49
  • (0)
Add to cart
Added