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Microprocessor

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

 XRI FOH
 XRI 0FH
 ANI F0H
 ANI OFH

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Microprocessor
The instruction set of a microprocessor

 cannot be changed by the user
 is stored inside the microprocessor
 is specified by the manufacturers
 is specified by the user

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Microprocessor
Maximum number of I/O that can be addressed by the INTEL 8085 is

 65536
 256
 285
 512

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Microprocessor
The maximum number of seven segment displays that can be connected to 8279 is

 8
 18
 16
 12

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

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

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Microprocessor
A real number consists of

Integer part and fraction part
Integer part
Integer part, fraction part along with positive or negative sign
None of these

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