1. A high quality CAD system uses the following for printing drawing and graphs?
a) Dot matrix printer
b) Digital plotter
c) Line printer
d) All of the above

2. Which part of the computer is used for calculating and comparing?
a) Disk unit
b) Control unit
c) ALU
d) Modem

3. Which is an item of storage medium in the form of circular plate?
a) Disk
b) CPU
c) Printer
d) ALU

4. The disk drive component used to position read/write heads over a specific track I known as?
a) Acoustic couples
b) Access arm
c) Cluster
d) All of the above

5. The term gigabyte refers to?
a) 1024 bytes
b) 1024 kilobytes
c) 1024 megabytes
d) 1024 gigabyte

6. A byte consists of?
a) One bit
b) Four bits
c) Eight bits
d) Sixteen bits

7. The ALU of a computer responds to the commands coming from?
a) Primary memory
b) Control section
c) External memory
d) Cache memory

8. The act of retrieving existing data from memory is called?
a) Read-out
b) Read from
c) Read
d) All of above

9. What is the name of the display feature that highlights are of the screen which requires operator attention?
a) Pixel
b) Reverse video
c) Touch screen
d) Cursor

10. When was the X window system born?
a) 1984
b) 1989
c) 1988
d) 1990