Basic functions of a computer

• Input or inserting data and instructions – 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 force 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.