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Microprocessor

Microprocessor
SPHL instruction copies the content of H-L register pair to the _________.

 PSW
 D-E
 B-C
 Stack Pointer

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Microprocessor
For the number A[15:0] = 0110110010001111, A[14:13] is ______ A[3:2].

Less than
The same as
Cannot be determined
Greater than

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Microprocessor
HLT opcode means

  load data to accumulator.
  end of program.
  load accumulator with contents of register.
  store result in memory.

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Microprocessor
In 8085 microprocessor which one of the following statement is wrong

 there is a pin available for serial output
 there is a pin available for serial input
 serial I/O is not possible
 serial I/O is possible through SIM and RIM instruction

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Microprocessor
XCHG instruction exchanges the content of H-L with ______ register pair.

 D-E
 Stack Pointer
 PSW
 B-C

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Microprocessor
The register which holds the information about the nature of results of arithmetic and logic operations is called as

 Flag register
 Process status register
 Accumulator
 Condition code register

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