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Microprocessor

Microprocessor
Using DeMorgan’s Theorem we can convert any AND-OR structure into

NOR-NAND
NAND-NOR
OR-NAND
NAND-NAND

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Microprocessor
The first machine cycle of an instruction is always

 A memory read cycle
 An I/O read cycle
 A memory write cycle
 A fetch cycle

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Microprocessor
________used to implement the hardware interrupts (RST 7.5, RST 6.5, RST 5.5) by setting various bits to form masks or generate output data via the Serial Output Data (SOD) line.

 EI
 SIM
 DI
 RIM

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Microprocessor
How many 16-bit special purpose registers are present in 8085 microprocessor?

 2
 16
 8
 6

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Microprocessor
Bus Interface Unit (BIU) in 8086 performs the following functions:

 Instruction decoding.
 Instruction fetch.
 Arithmatic and Logic operations.
 All the above.

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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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