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HOW DOES A COMPUTER WORK?
A computer works on the IPO cycle (Input-Process-Output).
INPUT PROCESS OUTPUT
3, 6, + 3 + 6 9
Data Information
Keyboard CPU Monitor
Input: The data and instructions we give to a computer are called Input.
Process: A computer takes action on the data entered by the user. It converts the
data into meaningful information with the help of the processor, which is the
CPU. This conversion of data into information is called processing.
Output: The result which we get after processing the data and instructions is
called output.
Recap
A computer accepts data and instructions through input devices.
A computer converts the input into meaningful information through the processing
device.
A computer displays the results of the processed data through the output
devices.
System software controls and manages the overall activities of a computer
system.
Application software is used to perform a specific task.
A computer works on the IPO (Input-Process-Output) cycle.
Storage devices are hardware devices used to store data.
A Computer System 11

