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Microprocessor

Microprocessor
The clock speed of 8085 is

 3.2MHz.
 1MHz.
 3.2KHz.
 1KHz.

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Microprocessor
An 8-bit microprocessor signifies that

 8-bit address bus
 8-bit data bus
 8-interrupt lines
 8-bit controller

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

 RRC
 RLC
 RAR
 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
 1000 H and 0FFF H
 0FFF H and 0FFE H

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

 Simplex
 Duplex
 Diplex
 Quadruplex

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Microprocessor
At the beginning of a fetch cycle, the contents of the program counter are

 transferred to address bus.
 transferred to memory address register .
 incremented by one.
 transferred to memory data register.

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