The main processor: every instruction goes through it.

• Motherboard
• CPU
• Operating System

Show what the software is doing.

• Input Devices
• Output Devices

A special kind of electric switch with low and high settings that can be used to represent numbers, words, pictures, ect.

• Bits
• Software
• Transistors

Master program that manages the interactions between hardware and software.

• Software
• Operation System
• Hardware

Stores information for the operation of a computer; similar to short-term memory.

• ROM
• REM
• RAM
• MAR

Interpret the instructions from the software.

• Processors
• Transistors

Holds the main components of a computer in place.

• CPU
• Operation System
• Motherboard

Basic unit of binary information.

• Hertz
• Bits

The physical components of a computer.

• Software
• Operating System
• Hardware

A unit of frequency equal to 1 cycle per second.

• Bits
• Hertz