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Microprocessor

Microprocessor
Total number of modes the 8253 can work

 4
 12
 6
 8

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

 affected indicating specific conditions
 always reset
 always set
 not affected

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Microprocessor
The control flags in 8086 are:

 the Trap flag(TF).
 the direction flag(DF).
 the interrupt flag(IF).
All of these

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Microprocessor
The timing difference between a slow memory and fast processor can be resolved if

External buffer is used
Either A or B
Processor is capable of waiting
Neither A nor B

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Microprocessor
What are the sets of commands in a program which are not translated into machine instructions during assembly process, called?

 Directives
 Mnemonics
 Operands
 Identifiers

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Microprocessor
Which of the following instruction is not possible in 8085?

 POP D
 POP PSW
 POP B
 POP 30 H

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