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Microprocessor

Microprocessor
The number of hardware interrupts present in 8085 microprocessor are

 5
 10
 8
 16

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Microprocessor
Which one of the following instruction may be used to clear the accumulator content irrespective of its initial value?

 ORA A
 MOV A, 00H
 CLR A
 SUB A

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Microprocessor
Output of the assembler in machine codes is referred to as

 Macroinstruction
 Source program
 Symbolic addressing
 Object program

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Microprocessor
DMA is used between

 memory and I/O
 microprocessor and memory
 none
 microprocessor and I/O

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Microprocessor
A structure that stores a number of bits taken “together as a unit” is a

Gate
Mux
Decoder
Register

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

 Instruction cycle
 Memory cycle
 Machine cycle
 Clock cycle

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