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Microprocessor

Microprocessor
It is possible to copy a file in the same directory.

True
False

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Microprocessor
In a microcomputer , the address of memory locations are binary numbers that identify each memory circuit where a byte is stored. If a microcomputer uses 20-bit address, then numbers of different memory locations are

 220 - 1
 220-1
 220
 20

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Microprocessor
Pick out the matching pair

 S0;S1;wait status
 HOLD; DMA
 READY; RIM
 SID; SIM

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Microprocessor
In an 8085 microprocessor based system, the contents of SP are 1000H, PUSH B instruction will transfer the contents of registers B & C respectively for memory locations

 0FFE H and 0FFF H
 0FFF H and 0FFE H
 1000 H and 1001 H
 1000 H and 0FFF H

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Microprocessor
Consider the following statements: Arithmetic Logic Unit (ALU) 1.Performs arithmetic operations 2.Performs comparisons. 3.Communicates with I/O devices 4.Keeps watch on the system Which of these statements are correct?

 1, 2 and 3
 1 and 2 only
 1, 2, 3 and 4
 3 and 4 only

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Microprocessor
8085 microprocessor has how many pins

  40.
  30.
 39.
 41.

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