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HOW A COMPUTER WORKS?
You know that a computer cannot function on its own. It needs instructions to
work. Let us observe how the IPO cycle works in daily life.
WASHING CLOTHES IN A WASHING MACHINE
In this example, dirty clothes and washing powder are the inputs. We are
washing clothes as a set of processes. So, washing clothes is the process. We
get clean clothes as the output.
dirty clothes and washing washing the clothes clean clothes
Process
powder (Input) (Process) (Output)
CALCULATING NUMBERS
If we are asked to add the numbers 10 and 5.
10 5 + = ?
To add these numbers, we will use our brain to think and calculate.
10,5,+ 10 + 5 15
Input Process Output
After calculating, we’ll find that the answer is 15. Similarly, we give
instructions to the computer and then the computer works on them to give
us the result.
Operating a Computer 23
