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Microprocessor

Microprocessor
8085 microprocessor has how many pins

  30.
 41.
 39.
  40.

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Microprocessor
Which one of the following microprocessor has 16-bit data bus?

 6502
 8085
 Z-80
 68000

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Microprocessor
When an 8085 microprocessor is reset, the address bus contains

 002CH
 0000H
 0043H
 003CH

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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

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

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Microprocessor
How many 16-bit special purpose registers are present in 8085 microprocessor?

 2
 8
 16
 6

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Microprocessor
If the number of address bits in a memory is reduced by 2 and the addressability is doubled, the size of the memory (i.e., the number of bits stored in the memory)

Halves
Doubles
Increases by 2^(address bits)/addressability
Remains unchanged

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