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Microprocessor

Microprocessor
Which one of the following circuits transmits two messages simultaneously in one direction

 Diplex
 Duplex
 Simplex
 Quadruplex

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Microprocessor
Number of Hex digits needed to represent the 20-bit address of a memory location are

 4
 16
 5
 20

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Microprocessor
During OPCODE fetch the state of S0 and S1 is

 01
 10
 00
 11

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Microprocessor
A microprocessor differentiates between op code, data/address at any time by

 the program counter
 the stack pointer
 the sequence in which memory contents are fetched by it
 its internal registers

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

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Microprocessor
Of the following circuits, the one which involves storage is

RS Latch
Decoder
Nand
Mux

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