CAPE Computer Science

PPO Set 1

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Q1
Which statement about bits and bytes is correct?
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Q2
What is the 8-bit two's-complement representation of -5?
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Q3
The diagram shows two inputs entering an AND-shaped gate followed by an inversion bubble. Which logic operation is represented?
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Q4
For the multiplexer shown, how many distinct data inputs can be selected?
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Q5
Clock speed is best described as the
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Q6
What does the following instruction sequence accomplish?
I. LOAD X
II. ADD Y
III. STORE Z
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Q7
Which number system is used internally by a digital computer to represent instructions and data?
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Q8
A workstation must continue operating long enough to save open files after a brief power failure. Which device is most appropriate?
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Q9
Which is a typical use of registers in a processor?
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Q10
How many selection lines are required for an 8-to-1 multiplexer?
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