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Microprocessor

Microprocessor
An 8-bit microprocessor can have ………….. address lines.

 cannot be predicted
 32
 16
 8

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Microprocessor
DMA is used between

 microprocessor and memory
 microprocessor and I/O
 none
 memory and I/O

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Microprocessor
The clock speed of 8085 is

 3.2MHz.
 3.2KHz.
 1KHz.
 1MHz.

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

 POP PSW
 POP D
 POP B
 POP 30 H

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Microprocessor
At the beginning of a fetch cycle, the contents of the program counter are

 transferred to memory data register.
 transferred to memory address register .
 transferred to address bus.
 incremented by one.

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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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MORE MCQ ON Microprocessor

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