| A | B |
|---|
| computer | mechanical device used to store, retrieve & manipulate data electronically |
| computer system | hardware, software, people and data |
| hardware | physical components of computer |
| application software | program that tells computer how to accomplish tasks |
| input device | accepts data and instructions from user |
| output device | returns processed data back to user |
| laptop | small folding computer that fit's in your lap |
| pda | pocket-sized electronic organizer that helps you manage addresses, appointments, expenses, etc. |
| processing | procedure that transforms raw data into useful information |
| motherboard | primary circuit board |
| memory | electronic scratch pad inside computer |
| ram | temporary memory |
| rom | small bit of memory that stays in computer when it is off |
| byte | amount of memory it takes to store single character |
| gigabyte | 1 billion bytes |
| terabyte | 1 trillion bytes |
| storage | portion of computer that holds data |
| megahertz | measures speed of computer |
| lan | links computers within office |
| system software | program that controls system hardware and how it interacts with software |
