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Microprocessor

Microprocessor
During OPCODE fetch the state of S0 and S1 is

 01
 10
 00
 11

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Microprocessor
A microprocessor differentiates between op code, data/address at any time by

 the stack pointer
 the sequence in which memory contents are fetched by it
 the program counter
 its internal registers

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Microprocessor
The addressing mode in instruction PUSH B is

 register
 register indirect
 immediate
 direct

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Microprocessor
In order to complement the lower nibble of accumulator one can use

 ANI 0FH
 CMA
 XRI 0FH
 ORI 0FH

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Microprocessor
How many T-states are required for execution of OUT 80H instruction?

 13
 7
 16
 10

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Microprocessor
An 8-bit microprocessor signifies that

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

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