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Subject :NCO    Class : Class 3

In a computer, user feeds the data using input devices, which is then passed to the CPU for processing and the result is stored and is displayed through output devices. During all these tasks, the flow of data to and from the CPU is organised by _________ .
AFlash drive
CVaccum tube
DControl unit

Ans 1: (Master Answer)

Class : Class 1


A Control Unit acts as a central nervous system for a computer. It guides the computer's memory, arithmetic/logic unit and input and output devices how to respond to a program’s instructions.

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