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ICT > Computer Hardware > Flashcards

Computer Hardware Flashcards

1
Q

What is an input device?

A

A hardware device that enters data into the device.

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2
Q

What is an output device?

A

A hardware device that communicates and displays the data from input devices.

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3
Q

What is a communication device?

A

A device that is able to send and receive signals to allow computers to communicate with other computers like a telephone.

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4
Q

What are some examples of input devices?

A

Digital cameras, scanners, keyboards, mouses

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5
Q

What are some examples of output devices?

A

Monitor, speaker, headphones, printer

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6
Q

What are some examples of communication devices?

A

Bluetooth Devices, modem, smartphone, wi-fi

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7
Q

What are the advantages of keyboards? (Input device)

A
  • Keyboards enable fast entry for new documents

- They make using the device easier

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8
Q

What are the disadvantages of keyboards? (Input device)

A
  • User’s with restricted arms/wrists can find keyboards difficult to use
  • Keyboards take up a lot of desk space
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9
Q

What are some uses of a mouse? (Input device)

A
  • Opening and closing applications
  • Grouping, moving and deleting files
  • Useful when editing images
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10
Q

What are the advantages of a mouse? (Input device)

A
  • Faster to select options than the use of a keyboard

- Take up little space on the desk

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11
Q

What are the disadvantages of a mouse? (Input device)

A
  • People with limited hand/wrist movement may find it hard to use a mouse
  • They are difficult to use if their is no flat surface to use them on
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12
Q

What are some uses of a numeric keyboard? (Input device)

A
  • ATM Machines

- Used in telephones

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13
Q

What are the advantages of a numeric keyboard? (Input device)

A
  • Faster to enter data than a keyboard

- As many of them are smaller devices, they are easier to carry around

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14
Q

What are some disadvantages of a numeric keyboard? (Input device)

A
  • They can be difficult to use as they have small keys

- Difficult to use them to enter text

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15
Q

What are the uses of CRT monitors? (Output device)

A
  • They are used as the primary output in base computers to allow the computer to see the data being entered
  • Used with light pens to allow designs to be created on the screen
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16
Q

What are the advantages of CRT monitors? (Output device)

A
  • They produce a higher quality image than TFT monitors

- They work with light pens in CAD/CAM applications

17
Q

What are the disadvantages of CRT monitors? (Output device)

A
  • They are heavy and considered a weight hazard

- If they are older, they can become hot due to dust gathered on metal plates

18
Q

What are the uses of TFT monitors? (Output device)

A
  • They are the primary output device to see what is being typed
  • Integrated into laptops
19
Q

What are the disadvantages of TFT monitors? (Output device)

A
  • The angle of viewing is critical, which means it may be difficult for multiple people to view the screen
  • They can’t be used with light pens, reducing CAD usage
20
Q

What are the uses of an inkjet printer? (Output device)

A
  • Used for photo printing

- 3D inkjet printers can be used in industry’s to produce prototypes

21
Q

What are the advantages of an inkjet printer? (Output device)

A
  • Output is high, and they are cheaper than laser printers

- They are light with a small footprint

22
Q

What are the disadvantages of an inkjet printer? (Output device)

A
  • The output is slow for multiple copies

- Ink cartridges can run out quickly and even smudge if the user is not careful

23
Q

What are the uses of 3D printers? (Output device)

A
  • Used to produce prototypes

- Produce organic objects

24
Q

What are the advantages of 3D printers? (Output device)

A
  • They save money as opposed to other methods of making prototypes
  • Physical scale models are produced with working parts so give the best idea of how the final product will look
25
Q

What are the disadvantages of 3D printers? (Output device)

A
  • Expensive to buy and slow at making models

- The end product may still need to be worked on

ICT (23 decks)

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