Exercise: Microprocessor Fundamentals

Questions for: Microprocessor Fundamentals

The ________ ensures that only one IC is active at a time to avoid a bus conflict caused by two ICs writing different data to the same bus.
A:
control bus
B:
control instructions
C:
address decoder
D:
CPU
Answer: C
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How many buses are connected as part of the 8085A microprocessor?
A:
2
B:
3
C:
5
D:
8
Answer: B
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The circuits in the 8085A that provide the arithmetic and logic functions are called the:
A:
CPU
B:
ALU
C:
I/O
D:
none of the above
Answer: B
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The software used to drive microprocessor-based systems is called:
A:
assembly language
B:
firmware
C:
machine language code
D:
BASIC interpreter instructions
Answer: A
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The devices that provide the means for a computer to communicate with the user or other computers are referred to as:
A:
CPU
B:
ALU
C:
I/O
D:
none of the above
Answer: C
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