Introduction to Computer. Computer. A computer is an electronic device, operating under the control of instructions stored in its own memory that can accept data (input), process the data according to specified rules, produce information (output), and store the information for future use1.

Basic computer skills courses cover the most common usages of a computer, including a majority or all of the following: understanding the basic notions of computer manipulation; managing computer files, word processing, using spreadsheets and databases; creating presentations; finding information and communicating.

The very first step is to turn on the computer. Make sure all the cables are plugged in correctly, and locate the power button. It's in a different place on every computer, but it will have the universal power button symbol (shown below). Once turned on, your computer takes time before it's ready to use.

So, in simple words you can say that computer is an electronic device which is used for fast calculation. Some people say that COMPUTER stands for Common Operating Machine Purposely Used for Technological and Educational Research.