| A | B |
|---|
| Computer | electronic machine capable of processing data |
| Program | list of step-by step instructions that a computer can use to solve a problem |
| Execute | To carry out the instructions in a program |
| Programming Language | Java, C++, QBasic |
| Tasks a computer system is capable of performing | Arithmetic operations, Comparison/Logical, Storage and retrieval |
| Hardware | the physical components of the computer system |
| System unit | contains the central processing unit, main memory and possibly other hardware devices |
| Central Processing Unit | composed of two parts: the control unit and the arithmetic/logic unit |
| Microprocessor | single chip that contains an entire central processing unit |
| Control Unit | governs the actions of the various components of the computer |
| Input device | Keyboard, mouse, microphone, scanner |
| Secondary storage devices | floppy disk drive, hard disk drive, CD – ROM Drive |
| Output device | printer, monitor |
| Arithmetic/logic unit | performs arithmetic and logical operation |
| Main Memory | that temporarily stores programs, data and results |
| Input | Data that is entered into the computer to be processed |
| Data | Facts that have not been organized in a meaningful way |
| Information | Data that has been processed to make it meaningful |
