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Microprocessor

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

 RLC
 RAR
 RRC
 RAL

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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

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

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Microprocessor
Which language could be used for programming an FPGA.

 VHDL
 Both A and B
 None
 Verilog

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Microprocessor
The processor status word of 8085 microprocessor has five flags namely:

 S, OV, AC, P, CY
 S, Z, OV, P, CY
 S, Z, AC, P, CY
 S, Z, AC, P, OV

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Microprocessor
Let the content of accumulator and register B be 0000 0100 and 0100 0000 respectively before execution of instruction SUB B. The content of accumulator after the execution of this instruction will be

 010001000
 00000100
 11000100
 01000000

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Microprocessor
The frequency of the driving network connected between pins 1 and 2 of 8085 microprocessor is

 twice the desired frequency
 four times the desired frequency
 equal to the desired frequency
None of these

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