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Microprocessor

Microprocessor
Maximum number of I/O that can be addressed by the INTEL 8085 is

 65536
 256
 285
 512

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Microprocessor
The execution of RST n instruction causes the stack pointer to

None of these
 decrement by two
 remain unaffected
 increment by two

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

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

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

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

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Microprocessor
The first machine cycle of an instruction is always

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

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

 PAL
 PROM
 PLA
 PLD

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