The basic components of a computer include a controller, arithmetic unit, memory, input devices and output devices. Among them, the controller is the central nervous system of the entire computer. Its function is to interpret the control information specified by the program, control according to its requirements, schedule programs and data, and coordinate the work of various parts of the computer and access to memory and peripherals.
The operating environment of this tutorial: Windows 7 system, Dell G3 computer.
What are the basic components of a computer?
Computer composition refers to the logical implementation of the system structure, including the composition and logical design of data flow and control flow within the machine. It is mainly divided into five parts: controller, operator, memory, input device, and output device.
Hardware components:
Controller (Control): It is the central nervous system of the entire computer. Its function is to interpret the control information specified by the program and according to its requirements Control, schedule programs, data, addresses, coordinate the work of various parts of the computer and access to memory and peripherals, etc.
Operator (Datapath): The function of the operator is to perform various arithmetic operations and logical operations on data, that is, to process the data.
Memory (Memory): The function of memory is to store programs, data, various signals, commands and other information, and to provide this information when needed.
Input (Input system): The input device is an important part of the computer. The input device and the output device are collectively called external devices, referred to as peripherals. The function of the input device is to convert programs, original data, text, characters , control commands or data collected on site are input into the computer. Common input devices include keyboards, mice, optical input machines, tape drives, magnetic disk drives, CD-ROM drives, etc.
Output (Output system): Output device and input device are also important parts of the computer. It combines the intermediate results or final results of the computer, various data symbols and text or various control signals in the computer, etc. Information is output. Commonly used output devices for microcomputers include display terminals CRT, printers, laser printers, plotters, magnetic tapes, CD-ROM drives, etc.
(Operating system introduction:windows)
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