4.1

Front 1

System Unit

Back 1

Case that contains electronic components used to process data

Front 2

Motherboard

Back 2

sometimes called a system board, the main circuit board of the system unit that contains electronic components such as processor and memory

Front 3

chip

Back 3

small piece of semiconducting material on which integrated circuits are etched.

Front 4

CPU

Back 4

central processing unit, interprets and carries out the basic instructions that operate a computer.

Front 5

Multi-core processor

Back 5

a chip with 2 or more separate processor cores.

Front 6

Control Unit

Back 6

component of the processor that directs and coordinates most of the operations in the computer.

Front 7

ALU

Back 7

arithmetic logic unit, another component of the processor which performs arithmetic, comparison, and other operations.

Front 8

System Clock

Back 8

small quarty crystal circuit that controls the timing of all computer operations by generating regular electronic pulses.

Front 9

clock speed

Back 9

pace of the system clock measured by number of ticks per second

Front 10

memory

Back 10

consists of electronic componenets that store instructions waiting to be executed by the processor

Front 11

volatile memory

Back 11

loses its contents when the power is turned off

Front 12

nonvolatile memory

Back 12

retains its contents when power is turned off.

Front 13

RAM memory

Back 13

random access memory, consists of memory chips that can be read from and written by the processor and other devices