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Microprocessor

Microprocessor
8085 microprocessor has how many pins

  40.
 39.
 41.
  30.

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Microprocessor
Number of Hex digits needed to represent the 20-bit address of a memory location are

 5
 16
 4
 20

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Microprocessor
The data bus of any microprocessor is always

 Either unidirectional or bi-directional
 Bi-directional
 Unidirectional
 None

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Microprocessor
A single instruction to clear the lower nibble of accumulator in 8085 language assembly is

 ANI F0H
 XRI FOH
 XRI 0FH
 ANI OFH

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Microprocessor
Register pair used to indicate memory

 H and L
 D and E
 B and C
 W and Z

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Microprocessor
The clock speed of 8085 is

 3.2MHz.
 1KHz.
 3.2KHz.
 1MHz.

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