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Microprocessor

Microprocessor
The clock speed of 8085 is

 1KHz.
 3.2KHz.
 3.2MHz.
 1MHz.

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Microprocessor
A sequence of two registers that multiplies the content of DE register pair by two and stores the result in HL register pair (in 8085 assembly language) is

 XTHL & DAD H
 PCHL & DAD D
 XCHG & DAD B
 XCHG & DAD H

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Microprocessor
S0 and S1 pins are used for

 serial communication
None of these
 indicating the processor’s status
 acknowledging the interrupt

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Microprocessor
Length of the instruction POP D is

 1 byte
 4 byte
 3 byte
 2 byte

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Microprocessor
IC 7485 cannot be cascadeD.

False
True

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Microprocessor
Which one of the following microprocessor is not an 8-bit microprocessor

 Z-80
 68000
 8085
 6502

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