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Microprocessor

Microprocessor
DMA is used between

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

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Microprocessor
For a memory with a 16-bit address space, the addressability is

8 bits
16 bits
Cannot be determined
2^16 bits

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Microprocessor
The cycle required to fetch and execute an instruction in a 8085 microprocessor is which one of the following?

 Instruction cycle
 Machine cycle
 Memory cycle
 Clock cycle

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Microprocessor
What is SIM?

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

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Microprocessor
SUB A instruction in 8085

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

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Microprocessor
The number of hardware interrupts present in 8085 microprocessor are

 5
 8
 10
 16

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