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Microprocessor

Microprocessor
Which one of the following circuits transmits two messages simultaneously in one direction

 Duplex
 Diplex
 Quadruplex
 Simplex

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Microprocessor
SUB A instruction in 8085

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

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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

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

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Microprocessor
A microcomputer consists of

 I/O device
All of these
 a microprocessor
 memory

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Microprocessor
In 8085 microprocessor, in response to RST 7.5 interrupts the execution is transferred to memory location

 002CH
 0000H
 003CH
 0034H

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Microprocessor
Temporary registers in 8085 are

 W and Z.
 D and E.
 H and L.
 B and C.

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