Computer Concepts

Question 1

Computer hardware (5 parts)

Answer 1

• input devices
• The system unit
• secondary storage
• output devices
• Communications devices

Question 2

Input devices

Answer 2

Binary 
keyboard 
mouse 
microphone 
scanner
document camera 
smart board

Question 3

The system unit

Answer 3

Contains the motherboard, CPU, RAM.

Question 4

Secondary storage (3)

Answer 4

Hard drive
floppy disk
the cloud

Question 5

Pros/cons of USB memory sticks

Answer 5

Portable 
off-site storage 
cheap 
small 
easily lost/damaged 
holds less data than hard drives

Question 6

Output devices

Answer 6

Binary to text
monitors
printers
speakers

Question 7

Printers (four types)

Answer 7

1. Dotmatrix 
•carbon copies 
•one at a time
2. Ink/bubblejet
•colour
•one line at a time
3. Laser 
•best quality 
•expensive colour
4. Plotter 
•very expensive 
•used for companies

Question 8

Four types of computers

Answer 8

1. Microcomputer
   - desktop
2. Minicomputer
   - desk-sized, powerful
3. Main frame computers and servers
   - large, powerful
4. Supercomputer
   - largest, most powerful
   - NASA