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:
The main parts of Computer
There are mainly three parts of computer which are as follows:
- The Input unit
- The Processing unit
- The Output unit
The input devices mainly used to give data and instruction to the Computer.
The input unit include:
- Web Camera
Processing unit includes CPU (Central Processing Unit) It process information and data according to instructions.
The output devices are those devices which shows the results of processing.
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
- Number of user
On the basis of working principle computer are categorized as
- Analog Computer
- Digital Computer
- Hybrid Computer
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
On the basis of Functional Capabilities computer are classified as:
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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