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11. The unit of a computer system that executes the program, communicates with and often controls the operation of other subsystems of the computer is known as
A. CPU
B. Control Unit
C. I/O unit
D. Peripheral unit
E. None of the above
12. Human beings are referred to as Homosapiens. Which device is called Silico sapiens?
A. Monitor
B. Hardware
C. Robot
D. Computer
E. None of the above
13. Which access method is used for obtaining a record from a cassette tape
A. direct
B. sequential
C. random
D. All of the above
E. None of the above
14. The most important advantage of a video disk is
A. Compactness
B. Potential capacity
C. Durability
D. Cost-effectiveness
E. None of the above
15. The process of entering data into a storage location
A. adds to the contents of the location
B. cause variation in its address number
C. is known as a readout operation
D. is destructive of previous contents
E. None of the above
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