Computer Test Answers (binary place value 32 16 8 4 2 1)

1. What are the following numbers in Binary?

45 10 30

101101 1010 11110


2. What are the following numbers in decimal?

101101 111101 100101

45 61 37


3. What is the term used to describe one piece of information (a zero or a one)?

Bit

4. 8 zeros and ones are called a

Byte

5. What is the difference between a hard drive and memory?

Memory contains information that the computer is using. It is erased when the computer is turned off. The hard drive stores information for later use. The info stays on the HD when the computer is turned off.

6. What does a video card do and how does it help the computer.

A video card processes information for display on the monitor. The video card processes graphics information taking some of the load off the CPU

7. Name three Input devices.

Keyboard, mouse, scanner, microphone, tablet, touch screen

8. Name three Output Devices.

Monitor, speakers, printer, projector,

9. Current video cards use two different kinds of expansion slots. What are they?

PCI express (PCI E), AGP