Reference Manual One

Question 1

Information technology

Answer 1

The use of various forms of technology to deliver information to people and machines 
Examples
Fax machines
Cell phones ex calling 
E-mail

Question 2

Hardware

Answer 2

Components that can be physically touched inside and outside the computer

Question 3

Power supply

Answer 3

Brings electricity to the computer via the cord

Question 4

Motherboard

Answer 4

The main circuit board of the computer to which all other computers are attached

Question 5

CPU (central processing unit)

Answer 5

Chip that processes all instruction and data

Controls information in the computer

Question 6

Internal cache

Answer 6

Memory inside cpu

First place searched by the computer for recently used information

Question 7

External cache

Answer 7

External memory to the cpu

Second place checked when searching for recently used information

Question 8

Bit

Answer 8

The smallest unit of data used by a computer

A bit can only hold 0 and 1,(their language)

Question 9

Byte

Answer 9

The amount of memory needed to store 1 unit/character (letter number etc)

Question 10

Peripheral device

Answer 10

Tools that are attached to the computer to provide enhanced functions
The devices are plugged into spaces on the computer called ports
Examples
Moderns
Expansion cords
Printers
Mice