Basic functions of a Computer

Five basic functions done by the computer can be identified as follows:
1. Input or inserting data and instructions

2. Processing

3. Output or retrieving data or information

4. Storing data or information

5. Controlling of devices and functions

Input or inserting data and instruction
Input can be defined as inserting data and instructions needed for a computer
Processing
The process of converting data inserted to the computer to information as required can be defined as processing.
Output or retrieving data or information
Giving the processed data and information to the external forces is done under output.
Storing data or information
Data and information are stored in a way that they can be reused later as
required. This is done under storing.
Controlling
The functions of a computer system and its various devices should be controlled properly. Under controlling the controlling activities done by computer system are considered.