Exercise: Microprocessors

Questions for: Microprocessors

Which of the following alphanumeric characters is not allowed in Basic?
A:
capital letters A to Z
B:
lower case letters a to z
C:
digits 0 to 9
D:
special characters +, -, *, / etc
Answer: D
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Which characteristic of a memory chip is called ac characteristics?
A:
Power consumption
B:
Bus loading
C:
Timing characteristic
D:
All of the above
Answer: C
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As compared to operating current, the current drawn by a memory chip in stand by mode is
A:
about the same
B:
about one-eighth
C:
about 1 / 64
D:
about 1 / 500
Answer: B
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Which of the following is not a valid logical expression in Pascal?
A:
A > = B
B:
A < = B
C:
A = < B
D:
A < > B
Answer: C
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Consider the directive T : DS105. This directive
A:
directs the assembler to reserve a sequence of 105 bytes in the memory
B:
directs the assembler to reserve a sequence of 105 bits in the memory
C:
directs the assembler to reserve a sequence of consecutive 105 bytes in the memory
D:
directs the assembler to reserve a sequence of consecutive 105 bits in the memory
Answer: C
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