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Microprocessor

Microprocessor
RST 3 instruction will cause the processor to branch to the location

 0024H
 0018H
 0028H
 0000H

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Microprocessor
A bus connected between the CPU and main memory that permits transfer of information between main memory and the CPU is known as

 Address bus
 Control bus
 DMA bus
 Memory bus

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Microprocessor
How many bytes in a zero memory page should be reserved for vectors used by RST instructions?

 128.
 64.
 32.
 16.

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Microprocessor
In 8086, _______ uses a mechanism known as an instruction stream queue to implement a pipeline architecture.

 None of these
 Execution Unit (EU)
 Both ‘b’ and ‘c’
 Bus Interface Unit (BIU)

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Microprocessor
When any data transfer instruction, to transfer the data from memory to microprocessor, is executed the condition flags are

 always reset
 always set
 not affected
 affected indicating specific conditions

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Microprocessor
In 8085 microprocessor based system maximum possible number of input/output devices can be connected using I/O mapped I/O technique is

 65536
 64
 256
 512

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