Thursday, October 3, 2019

What is a Computer ?


What is a Computer?


Computers have become an important part of our lives.  It is used daily from school to office fees.  And computers are also being used a lot in homes to handle daily tasks.


So we all have to make computers better.  Only then can we properly use these electronic devices.


Apart from this, important questions related to computers are also asked in the competition.  Because of this, a basic understanding of computers is necessary.


Keeping all that in mind, we have prepared this article, in which you are giving complete information about the computer.


For the convenience of the study, we have divided this article into the following sections.

  • What is Computer?
  • What is the definition of computer?
  • What is the full form of computer?
  • Types of Computer
  • Introduction of Computer

What is Computer ?



What is Computer?


Hundreds of thoughts come to mind as soon
as we hear the name of computer.  Because a computer can do hundreds of activities alone. 
In words, buying a computer is a bit difficult.  This is because everyone uses a computer for various tasks.


There is also a general perception about it Computer or computer is an English word.  The computer means "computed".  This means that computer is one type of calculator.


Although it would be wrong to call a computer a connecting machine.  Because with a computer connection, hundreds of different tasks.


If you ask a writer / typist what is a computer?  So he says that computer is a kind of machine.  Similarly, if we ask a child to play a game, he can say that a computer is a game machine.


If you ask the computer operator, it will try to define the machine in terms of handling step.
So we can say that computer cannot be built in a sense.  The meaning of computer varies depending on each person's usage.


Whatever computer means, we have tried to define a computer for you. You cannot consider this computer as the standard definition of a computer.  Because the meaning of computer also depends on the task.


What is the definition of computer?


"A computer is a machine that gives some instructions. To say more, a computer is an electronic device that accepts and processes data using an input device and provides data as output using an output device."


It is clear from this definition that the computer takes some user instructions which are recorded with the help of various input devices.


Those instructions are then processed, and finally the results are based on the instructions, which are displayed with the help of the output tool.


Instructions contain many types of data.  You liked numbers, letters, and shapes according to this data.


If the computer is given the wrong data, the computer will also give the wrong result.  This means that the computer is working on GIGO -  Garbage In Garbage Out.


What is the Full form of Computer?


  • C - Commonly
  • O - Operated
  • M- Machine
  • P - Particularly
  • U - Used for
  • T - Technology
  • E - Education and
  • R - Research




Types of computer


Different types of computers


There are mainly three types of computers.  You can find more information about them in computer type lessons.

✓ According to application

✓ According to the purpose of the experiment

✓ According to size


Introduction of Computer


Computer cannot work alone.  A computer uses a variety of tools and programs to perform tasks.


These computer devices and programs are known as 'hardware and software software' respectively.


Now we get information about different parts of computer:


Various Parts of Computer
Various Parts of Computer


  • 1. System unit


A system unit is a box containing the necessary equipment to work with a computer.  The CPU is installed on the system unit.


It has equipment like mother board, processor etc.  Which enables the computer.  It is also called Case.


  • 2. Monitor


A monitor is an output device that shows the results of instructions given by you.  It is like TV.  Currently LCD and LED have been replaced by monitors.


  • 3. The keyboard


Keyboard input tools are used to direct us to a computer.  With its help, the computer is provided with the desired data and instructions.


It consists of various types of keys, through which data and instructions are sent to the computer.


  • 4. Mouse


The mouse is also an input tool that is used to instruct a computer.  We select the program available on this computer.


  • 5. Speakers


Speakers are output devices that help us hear sounds from a computer.  Through this we listen to the sounds available in songs, movies, programs and games.

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