Computer Fundamentals – Section 4

26. Continuous line drawing are produced using

A. Chain printers
B. Daisy wheel printers
C. Plotters
D. Thermal devices
E. None of the above

Correct Answer: C. Plotters

27. Which of the following registers is loaded with the contents of the memory location pointed by the PC?

A. Memory Address Register
B. Memory Data Register
C. Instruction Register
D. Program Counter
E. None of the above

Correct Answer: C. Instruction Register

28. Storage on PC allows you to store files until something erases it, but memory loses its contents whenever its _____ is lost

A. static
B. disk space
C. power
D. both a and b above
E. None of the above

Correct Answer: C. power

29. One byte can be used to encode any integer between ‘O’ and -inclusive

A. 16
B. 256
C. 128
D. 255
E. None of the above

Correct Answer: D. 255

30. Why is the width of the data bus so important to the processing speed of a computer?

A. The narrower it is, the greater the computer’s processing speed
B. The wider it is, the more data that can fit into main memory
C. The wider it is, the greater the computer’s processing speed
D. The wider it is, the slower the computer’s processing speed
E. The data bus isn’t important to the processing speed of a computer

Correct Answer: C. The wider it is, the greater the computer’s processing speed

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