INPUT AND OUTPUT DEVICES: OUTPUT Flashcards

1
Q

Types of output devices?

A
  1. Basic-essential eg monitor printer speakers

2. Special-non essential eg plotter

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

types of printers?

A
  1. Inkjet-sprays ink to the paper
  2. Laserbeam-focused beam of light
  3. Impact-Physical contact
  4. Thermal-heat receipts
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What is the function of a plotter?

A

For printing high quality graphics eg building blueprints

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Difference between Virtual Reality and Augmented Reality

A

VR- Creates a simulated 3D environment. No ambient light from the surrounding
AR-Superimposes images and audio over the real world. Allows ambient light from the surroundings

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Draw the Von Neumann Architecture

A

See in Exe book

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

What is accessibility and give examples

A

How easy to use a system is for disabled people eg
Voice rec & speech to text software instead of typing
Screen Reader- text to audio
Screen Magnifier
On screen Keyboard that can use a pointing device

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

What is ergonomics and give an example

A

Setting up the computer and work place in such a way to meet the users needs and reduce strain on the user eg an ergonomic keyboard which may come in with a built in palm or wrist support

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Practices of a good working environment

A
  1. Appropriate positioning to reduce strain
  2. Mouse Mat
  3. Moniter filter
  4. Adequate lighting and ventilation
  5. Frequent breaks
  6. Back supporting chair
  7. Make sure power points are not overloaded
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Health Problems associated with a computer

A
  1. Repetititive strain injury(wrists
  2. Eye strain
  3. Back problems
How well did you know this?
1
Not at all
2
3
4
5
Perfectly