General model of computer

This post is lesson 9 of 42 in the subject Computer Hardware

The general model of a computer includes an input device, a processor, a memory, a storage device, an output device, and bus systems. Based on the general model, we can visualize the basic components in a computer.

1. General model of computer

General model of computer

(1) Input device

These are devices that enter data into the computer such as keyboard, mouse, webcam, scanner, etc.

(2) Processor

It is a data processing device, managing and controlling the computer’s activities, called CPU (Central Processing Unit).

(3) Memory

These are devices that temporarily stored data during the operation of the computer such as RAM, cache, etc.

(4) Storage device

These are data storage devices for computers, even when the computer is not working such as hard disk drives, USB, …

(5) Output device

These are devices that display and output data from machines such as monitors, printers, speakers, projectors, etc.

(6) Bus system

These are pathways between devices, responsible for transmitting data between devices.

2. Basic components in computer

Basic components in computer

Based on the connection location, the computer’s devices are divided into: internal and external devices.

  • Internal devices: mainboard, CPU, Memory (RAM, ROM), HDD, CD-ROM Drive,…
  • External devices: Monitor, keyboard, mouse, printer, scanner,…
Some components in computer
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Posted by Vinh Le

Composer at ITLearningCorner.

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