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Hardware
vocab of computer components
| Term | Definition |
|---|---|
| Central processing unit (CPU) | The chip located inside the system unit of a computer that performs the processing for a computer |
| GHz – (gigahertz) | speed of a processor counted by billions of ticks per second |
| MHz – (megahertz) | speed of a processor counted by millions of ticks per second |
| Monitor | A display device that projects images onto a display screen |
| Hard disk drive | A storage system consisting of one or more metal magnetic disks permanently sealed with an access mechanism inside its drive |
| Motherboard | The main circuit board of a computer to which all computer system components connect. |
| System Unit | The container that holds the motherboard and keeps components safe. |
| Network Interface Card | Enables a PC to connect to a network |
| Optical Drive | Adds read and write capabilities to your computer for portability |
| GB, Gigabyte | Storage measurement in billions of bytes |
| Random access memory (RAM) | provides a high speed, temporary location for the computer to hold data and program instructions |
| Bit | The smallest unit of computing, consists of either a 0 or 1 (on or off) |
| Byte | 8 bits makes 1 byte |
| Video Graphic Adapter | Enables the connection of a monitor and may provide additional graphics capabilities |
| Software | a set of instructions that tells the computer what actions to perform |
| Application software | a collection of programs (tools) that perform specific tasks. Word, PowerPoint, Excel, Access |
| System software | a collection of programs that manage and coordinate the activities of the computer system |
| Commercial Software | software that is developed and sold for a profit |
| Shareware | software that is available free of charge for a trial purpose (temporary) |
| Freeware | can be used, copied, and shared with others without charge |
| Public domain software | non-copyrighted software that can be used without restriction |
| Bit | short for binary digit, a bit is the fundamental unit of information having two possible values, 0 or 1. |
| Byte | The sequence of 0s and 1s that make up data are usually counted in groups of 8, and these groups of 8 bits are called bytes. |
| Binary Number | a number system consisting of 0’s and 1’s that are used to represent information on a computer. |
| Word Processing software | allows users to create, edit, and print documents like letters, memos and reports |
| Spreadsheet software | provides users with a convenient way to create documents containing complex mathematical calculations |
| Database software | allows users to store and organize large amounts of data and retrieve specific information when needed |
| Presentation software | allows users to create visual presentations to convey information to others |
| Multimedia | the integration of a variety of media (text, graphics, video, animation, sound, etc) into an application or presentation |
| Utility Program | a type of systems program written to perform a specific system task. Usually related to managing or maintaining the system. (diagnostics, cleaning, antivirus, etc) |
Created by:
larsonjm
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