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Microprocessor

Microprocessor
A combinational PLD with a programmable AND array and a fixed OR array is called a

 PLD
 PLA
 PAL
 PROM

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Microprocessor
Assertion(A): Address bus is unidirectional. Reason(R): Data bus is bidirectional

 A is true but R is false
 A is false but R is true
 Both A & R are true but R is not the correct explanation of A
 Both A & R are true and R is the correct explanation of A

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

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

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Microprocessor
Which of the data transfer is not possible in microprocessor

 memory to accumulator
 I/O device to accumulator
 memory to memory
 accumulator to memory

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

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

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Microprocessor
During which T-state, contents of OP code from memory are loaded into IR (Instruction Register)?

 T1 OP code fetch
 T2 OP code fetch
 T4 OP code fetch
 T3 OP code fetch

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