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Microprocessor

Microprocessor
Identify the non-programmable interfacing device from the following

 8255.
 8257.
 8212.
 8295.

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Microprocessor
The multiplexing of address bus and data buses is used in

 all the microprocessors.
 depends on the internal architecture.
 none of these.
 never multiplexed.

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Microprocessor
Which one of the following microprocessor is not an 8-bit microprocessor

 8085
 68000
 6502
 Z-80

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Microprocessor
In order to save accumulator value on the stack, which of the following instruction may be used

 PUSH PSW
 PUSH SP
 PUSH A
 POP PSW

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Microprocessor
Which instruction is required to rotate the content of accumulator one bit right along with carry?

 RAL
 RLC
 RAR
 RRC

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Microprocessor
The instruction set of a microprocessor

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

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