Exam Revision

Exam Revision

1. Hardware

   • Hardware is the physical parts of the computer system – the parts that you can touch and see.
     • Motherboard
     • CPU
     • Monitor

2. Software

   • Software is a collection of instructions that can be ‘run’ on a computer. These instructions tell the computer what to do.
     • Windows XP
     • Mac OS X

3. CPU

   • Central Processing Unit
     • Pentium processor -by intel

4. Main Memory

   • Any data or instructions that are to be processed by the CPU must be placed into main memory (sometimes known as primary storage).

5. RAM

   • Random Access Memory
     • RAM is a volatile storage device.

6. ROM

   • Read-only Memory
     • Read-Only Memory (ROM) is used in most computers to hold a small, special piece of software: the 'boot up' program.