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Microprocessor

Microprocessor
Which one of the following microprocessor has 16-bit data bus?

 8085
 68000
 6502
 Z-80

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

 POP PSW
 POP B
 POP 30 H
 POP D

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Microprocessor
SUB A instruction in 8085

 sets zero and carry flags
 reset carry and sign flags
 sets zero and sign flags
 reset zero and parity flags

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Microprocessor
The characteristics of RESET OUT signal is/are

 indicates that µp is being reset.
 the signal is synchronized to the processor clock.
 all.
 this signal can be used to reset other devices.

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

 RRC
 RAL
 RLC
 RAR

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Microprocessor
Assuming LSB is at position 0 and MSB at position 7, which bit positions are not used (Undefined) in flag register of an 8085 microprocessor?

 1, 3, 5
 1, 3, 4
 2, 3, 5
 1, 2, 5

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