Day 4

Computer

• Computer is Electronic Programmable Device.

• COMPUTER stands for Common Operating Machine Particularly Used For Trade Education And Research. Advertisement: This definition appears very frequently.

• Computer can not do anything without a Program.

• Charles Babbage is called the "Grand Father" of the computer.

• Computer is an advanced electronic device that takes raw data as input from the user and processes these data under the control of set of instructions (called program) and gives the result (output) and saves output for the future use. It can process both numerical and non-numerical (arithmetic and logical) calculations.

Input (Data):

Input is the raw information entered into a computer from the input devices. It is the collection of letters, numbers, images etc.

Process: 

Process is the operation of data as per given instruction. It is totally internal process of the computer system.

Output:

Output is the processed data given by computer after data processing. Output is also called as Result. We can save these results in the storage devices for the future use.