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BE UNIT 5.02
Term | Definition |
---|---|
Application programs | Programs that people use to get their work done |
Central Processing Unit (CPU) | A particular computer will have a particular type of processor |
Computer system | Consists of hardware (physical parts of the computer) and software (programs and data used with the physical computer. |
Embedded system | A computer system that is part of a larger machine and which controls how that machine operates |
Input devices | Keyboards, mouse, scanners, cameras, joysticks, and microphones; a piece of equipment used to provide data and control signals to an information processing system |
Main memory | Closely connected to the processor, stored data are quickly and easily changed, holds the programs and data that the processor is actively working with |
Motherboard | Components are connected to the main circuit board of the computer |
Network | Consists of two or more computers connected so that they can exchange data and programs |
Operating system | Responsible for starting up application programs, running them, and managing the resources that they need |
Output device | Monitor, printer, speakers; any piece of computer hardware equipment which converts information into human-readable form |
Processor | Contains billions of transistors; responsible for the fundamental computing within the system, and directly or indirectly controls all the other components |
RAM (Random Access Memory) | "Random" means that the memory cells can be accessed in any order. The type of silicon chip used to implement main memory |
ROM (Read Only Memory) | Used to make a section of main memory read-only |
Secondary memory | Connected to main memory, stored data are easily changed, but changes are slow compared to main memory, and used for long-term storage of programs and data |