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Microprocessor

Microprocessor
The addressing mode in instruction PUSH B is

 register indirect
 direct
 register
 immediate

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Microprocessor
The instruction set of a microprocessor

 is specified by the manufacturers
 cannot be changed by the user
 is specified by the user
 is stored inside the microprocessor

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Microprocessor
The execution of RST n instruction causes the stack pointer to

None of these
 decrement by two
 remain unaffected
 increment by two

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Microprocessor
The relation among IC (Instruction Cycle), FC (Fetch cycle) and EC (Execute Cycle) is

 IC = FC + 2EC
 IC = FC + EC
 IC = FC - EC
 EC = IC + FC

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Microprocessor
The address bus of any microprocessor is always

 None
 Bi-directional
 Unidirectional
 Either unidirectional or bi-directional

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Microprocessor
Which of the following instruction is not possible in 8085?

 POP D
 POP 30 H
 POP B
 POP PSW

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