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Microprocessor

Microprocessor
The addressing mode in instruction PUSH B is

 immediate
 register indirect
 register
 direct

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Microprocessor
During which T-state, contents of OP code from memory are loaded into IR (Instruction Register)?

 T1 OP code fetch
 T3 OP code fetch
 T2 OP code fetch
 T4 OP code fetch

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Microprocessor
Circuit A is a 1-bit adder; circuit B is a 1 bit multiplier.[Hint: Construct the truth table for the adder and the multiplier]

Circuit A has the same number of gates as circuit B
Circuit B has more gates than circuit A
None of these
Circuit A has more gates than circuit B

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Microprocessor
An 8-bit microprocessor signifies that

 8-interrupt lines
 8-bit data bus
 8-bit controller
 8-bit address bus

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Microprocessor
The register which holds the information about the nature of results of arithmetic and logic operations is called as

 Flag register
 Condition code register
 Process status register
 Accumulator

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Microprocessor
When any data transfer instruction, to transfer the data from memory to microprocessor, is executed the condition flags are

 always set
 always reset
 not affected
 affected indicating specific conditions

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