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3. What of the following is the main components of computer system?
a. CPU, Input unit, Output Unit, Memory Unit
b. CPU, Memory, System bus, Input, Output, Pen drive
c. Modem, Keyboard, Word Processor, Printer, Screen
d. Memory, Video Card, Monitor, Software, Hardware.


Sagot :

Answer:

CPU, input unit, Output unit, memory unit

It’s A. CPU, input unit, output unit, memory unit.