
COA_Ch04_Exam
Authored by Chun-Jung Lin
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21 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 6 pts
The _______ is responsible for fetching program instructions, decoding each one, and performing the indicated sequence of operations.
2.
MULTIPLE CHOICE QUESTION
30 sec • 6 pts
The _______ connects the CPU to memory.
3.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
__________ is the process whereby devices connected to a bus autonomously determine which of the devices shall have control over the bus:
4.
MULTIPLE CHOICE QUESTION
30 sec • 6 pts
The equation below relates seconds to instruction cycles. What goes in the ???? space?
5.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
If, after fetching a value from memory, we discover that the system has returned only half of the bits that we expected; it is likely that we have a problem with:
6.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Suppose that a 64MB system memory is built from 64 1MB RAM chips. How many address lines are needed to select one of the memory chips?
7.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Suppose a system has a byte-addressable memory size of 4GB. How many bits are required for each address?
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