Full Form of Computer: What is Computer & its uses

Full Form of Computer: What is Computer & its uses

Full Form of Computer

Hello Everyone, In this article we are going to cover all aspects related to computer which is very important for competitive exams as well as for daily activities and work. We all are familiar with computer and also use it in our day to day activities or it can be said it is the part of our day to day activities, computer has made the work easy and it also has reduced labour work, such as when the computer was not popular we and companies used to work manually and also keep a record of everything manually by Bookkeeping and all these work required more human workforce than Computer, but now all these work made simple with the use of computer, it saves time, money and other. 

As we all know today the knowledge of computer is very important because if you are applying for any Job, Computer knowledge is mandatory, so we all should have the practical as well as theoretical knowledge of computer.

What is Computer?

Computer is an electronic machine that processes and stores information. It also manipulates the data accurately, efficiently and faster than humans. It processes a set of instructions given by the user to provide certain result and outcome. 

COMPUTER = Arithmetical Logical Unit (ALU) +  Control Unit (CU)  

The  full form of computer is

The full form of computer are as follows:

C-Commonly

O-Operated

M-Machine

P-Particularly

U-Used for

T-Technology

E-Education and

R-Research

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The main parts of Computer

There are mainly three parts of computer which are as follows:

  1. The Input unit
  2. The Processing unit
  3. The Output unit

1.Input unit

The input devices mainly used to give data and instruction to the Computer.

The input unit include:

  • Keyboard
  • Mouse
  • Scanner
  • Joystick
  • Web Camera

2.Processing unit

Processing unit includes CPU (Central Processing Unit) It process information and data according to instructions.

3.Output Unit

The output devices are those devices which shows the results of processing.

It include:

  • Screen
  • Printer
  • Speaker

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Generations of Computer

1940 – 1956:  First Generation Computer – Vacuum Tubes

1956 – 1963: Second Generation Computer  – Transistors

1964 – 1971: Third Generation Computer  – Integrated Circuits

1972 – 2010: Fourth Generation Computer  – Microprocessors

2010-  : Fifth Generation Computer  – Artificial Intelligence

Classification of Computer Systems

The classification of computer are based on:

  • Working Principle
  • Electronic Technology
  • Functional Capabilities
  • Purpose
  • Number of user

Working Principle

On the basis of working principle computer are categorized as

  • Analog Computer
  • Digital Computer
  • Hybrid Computer

Electronic Technology

On the basis of electronic technology computer are classified as:

  • First Generation Computer
  • Second Generation Computer
  • Third Generation Computer
  • Fourth Generation Computer
  • Fifth Generation Computer

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Functional Capabilities

On the basis of Functional Capabilities computer are classified as:

  • Microcomputers
  • Minicomputer
  • Mainframes
  • Supercomputers

Purpose

On the basis of purpose computer are classified as:

  • General Purpose Computer
  • Dedicated Computer

Number of user

On the basis of user computer are classified as:

  • Single user (PC)
  • Multi user

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