Basic Computer

Computer Expansion

Computer - Commonly Operated Machine Programmed Used For Technical Education Research.

Computer - An electronic device for storing and processing data, typically in binary form, according to instructions given to it in a variable program.

There are two basic parts of a computer:

Hardware & Software



Hardware :

The hardware are the parts of the computer itself incudingCentral Processing Unit(CPU),Keyboards,mouse,monitors etc. The other parts are called Pheripheral devices.


Central Processing Unit- The CPU is the brain of the computer.Two typical component of a CPU are Arithmetic Logic Unit(ALU) and Control Unit(CU).



Arithmetic and Logic Unit- ALU stands for Arithmetic Logic Unit. It perform arithmetic and logic operations.


Control Unit - CU stands for Control Unit. It extracts instructions from memory and decodes and executes calling on the ALU when necessary.


Keyboard - The Keyboard is used to type information into the computer or input information. The standard keyboard has 101 keys.Some special keys are referred to as a command keys. there are CTRL,ALT,SHIFT.


Mouse - It is a device that controls the movement of the cursor or pointer on a display screen.

Software

Software is a collection of computer data and instructions. There are two major categories: System software and Application software.



System software - It is responsible for controlling, integrating and managing the individual hardware components of a computer system.


Application software - It is used to accomplish specific task .





More by this Author

  • Computer Memory And Its Types
    17

    Memory is the internal storage area of the computer. Memory identifies the data storage.The physical memory usually referred to us main memory or RAM. Types of Memory RAM ROM RAM RAM stands for Random...


Comments 3 comments

Prasanth 5 years ago

SUper fantastic website keep it up!


suresh 5 years ago

superu


Gavas 5 years ago

Nice

    Sign in or sign up and post using a HubPages Network account.

    0 of 8192 characters used
    Post Comment

    No HTML is allowed in comments, but URLs will be hyperlinked. Comments are not for promoting your articles or other sites.


    Click to Rate This Article
    working