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Microprocessor

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

 RRC
 RAR
 RLC
 RAL

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Microprocessor
DMA is used between

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

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Microprocessor
Register pair used to indicate memory

 H and L
 D and E
 B and C
 W and Z

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Microprocessor
What is SIM?

 Select interrupt mask.
 None of these.
  Set interrupt mask.
 Sorting interrupt mask.

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Microprocessor
A field programmable ROM is called

 FPROM
 MROM
 PROM
 FROM

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Microprocessor
Which of the data transfer is not possible in microprocessor

 memory to accumulator
 I/O device to accumulator
 memory to memory
 accumulator to memory

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