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Microprocessor

Microprocessor
The clock speed of 8085 is

 3.2MHz.
 1KHz.
 3.2KHz.
 1MHz.

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Microprocessor
The cycle required to fetch and execute an instruction in a 8085 microprocessor is which one of the following?

 Clock cycle
 Instruction cycle
 Machine cycle
 Memory cycle

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Microprocessor
The operations executed by two or more control units are referred as

 Micro-operations
 Bi control-operations
 Multi-operations
 Macro-operations

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

 XRI 0FH
 XRI FOH
 ANI OFH
 ANI F0H

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Microprocessor
Total number of instructions in 8085 microprocessor assembly language is

 246
 247
 244
 245

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Microprocessor
In a C expression using assignment operators, relational operators and arithmetic operators, the hierarchy of operations (in the absence of parenthesis) is

Arithmetic, relational, assignment
Arithmetic, assignment, relational
Assignment, relational, arithmetic
Relational, assignment, arithmetic

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