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Questions Bank (1229135 total)
Suppose you have a loop that should not execute the body at all
if a Boolean condition is False. Which looping construct
would be more appropriate?
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Suppose there is a compound Boolean conditional
i<n && x[i]>0
Which of the following is NOT a good reason for implementing this using "short circuiting"?
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Here are some statements about load, store and lea. Most of them
are correct but one is not. Which is the false statement?
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Here are some statements about load and lea. One of them is correct,
but the others are all misconceptions. Which is the correct statement?
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There is an array of records, and each record contains 4 elements.
Each record element is an integer.
Suppose R5 contains a pointer to an element of the array.
Which instruction will update R5 to make it point to
the next element of the array?
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Suppose that x is a variable in memory,
the address of x is 02a3, mem[02a3] contains 5.
After executing lea R3,x[R0]
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Suppose that x is a variable in memory,
the address of x is 02a3, and mem[02a3] contains 5.
After executing load R3,x[R0]
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Which instruction would you use to put a pointer to a variable
into a register?
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Which instruction would you use to put a constant into a register?
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Which instruction would you use to copy a variable
from a register to memory?
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