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| COMPUTER SYSTEM - Computer System is combination of components designed to process data and store files. - Consists of four major hardware components. a) input devices b) output devices c) processor d) storage devices - Computer system requires hardware, software and a user to fully function. COMPUTER HARDWARE a) input devises b) output devices c) output devices d) storage devices Input Devices - Input devices feed data or commands in a form that the computer can use. - When data is entered into the computer system, it is called an input. - Input comes in various forms; texts, graphics, audio and video. - Input devices are needed to input data into the computer system. Example : - keyboard - light pen - joystick - microphone - mouse - video - digital camera Processor - The CPU is an example of a processor. it has the same important as the brain to human being. Output Devices - Output devices such as the monitor shows people the process data or information. - This type of information can be understood and use by computer user. - Common forms of output are texts, numbers, graphics, sounds, animations and videos. - Example of output devices are : - printer - plotter - speaker Storage Devices - Storage usually means secondary storage. It consists secondary storage. - It consists secondary storage devices such as hard disk, Floppy Disk, diskette, CD ROM and DVD ROM. - The system's primary storage, Random Access Memory (RAM) can only hold data temporarily. COMPUTER SOFTWARE System Software
Application Software
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