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Hardware Basics06
Hardware Basics
| Question | Answer |
|---|---|
| System Software | a part of each computer system. tells the computer what to do. (Windows, Mac) |
| Application Software | allows the computer to carry out specific function like word processing, creation of databases and spreadsheets... |
| computer system | computer and other support devises that work as a team to receive information as the user inputs it, process that information per the directions that the user defines, and output the information in a usable format. |
| central processing unit | processing of information takes place |
| control unit | retrieves instructions and sends command signals to the rest of the computer system to tell them what to do. |
| arithmetic logic unit | Sector of the CPU that performs the mathematical calculations that are required in many data processing programs |
| memory unit | allows storage of information, is internal to the computer and is divided into RAM and ROM |
| RAM | temporary memory that is designed to hold new data and is available only while the computer is turned on. |
| ROM | Read only memory |
| Binary coding system | called ASCII is made p of a series of zeros and ones. |
| Byte | Eight bits make it, can represent on alphabetic or one numeric character of information |
| Bit | A binary character that is the smallest unit of binary information |
| Pixel | a single covered square on the screen |
| keyguard | hard plastic covers with holes for each key. prevents someone fromm striking unwanted keys. |
| Port | opening used for devices to communicate with a computer system |