Exercise: Microprocessors

Questions for: Microprocessors

In a multi-processor configuration two coprocessors are connected to host 8086 processor. The instruction sets of the two coprocessors
A:
must be same
B:
may overlap
C:
must be disjoint
D:
must be the same as that of host
Answer: D
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What does the instruction 'PCHL' in 8085 do?
A:
Load the program counter with contents of register pair H L
B:
Double the contents of register pair H L
C:
Shift the contents of register pair H L by one bit to the right
D:
Shift the contents of register pair H L by one bit to left
Answer: A
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In 8085, which of the following is an 8 bit register?
A:
A
B:
SP
C:
PC
D:
both (a) and (b)
Answer: A
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Which one is true for writing array variable in Pascal?
A:
The general form of an array variable is an integer or a real variable name followed by subscripts enclosed within square brackets. The subscripts are separated by commas
B:
The general form of an array variable must be an integer name followed by subscripts enclosed within square brackets. The subscripts are separated by commas
C:
The subscripts in array variable must be separated by dots
D:
The subscripts must be enclosed within parenthesis
Answer: A
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A computer memory is an ordered sequence of storage cells.
A:
True
B:
False
C:
D:
Answer: A
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