| A | B |
|---|
| CPU | Central Processing Unit-the thinking part of the computer that handles the processing of information |
| hard drive | represented by c: |
| disk drive | represented by the letter a: |
| CD-ROM | represented most often by d: or e: |
| software | a set of programmed instructions that tell a computer what to do |
| output | text, sounds, video |
| hardware | examples are keyboard, mouse, and monitor |
| input devices | keyboard, mouse, scanner |
| motherboard | the main circuit board of a computer |
| ROM | Stores the basic info a computer needs to operate |
| Operating System Software | Windows 3.11, Windows 95, Windows 2000 |
| RAM | The computer's working memory |
| MHz | used when talking about the speed of a microprocessor |
| binary | uses two symbols 0 and 1 |
| bit | a binary digit |
| byte | eight bits |
| megabyte | approximately 1 million bytes |
| gigabyte | approximately 1 billion bytes |
| memory | measured in bytes |
