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Chapter Profile
Thus, a computer works in three steps:
INPUT PROCESS OUTPUT
This process is called IPO cycle.
Let us look at some examples of IPO cycle.
Process
Input
Output
Dirty clothes Washing Machine Clean clothes
Input Process
Output
Fresh fruits Juicer Fresh Juice
Now, take an example of our human body to understand the same.
Input: Output:
What is 2x2=? 2x2=4 Answer is 4
Input Unit Processing Unit Output Unit
Working of a Computer 21

