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Microprocessor

Microprocessor
XCHG instruction exchanges the content of H-L with ______ register pair.

 D-E
 PSW
 B-C
 Stack Pointer

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Microprocessor
It is possible to copy a file in the same directory.

False
True

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Microprocessor
What is used to access 16-bit data in 8086?

 Memory Banking.
None of these
 Data Banking.
 Pipeline architecture.

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

 285
 65536
 512
 256

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Microprocessor
The first machine cycle of an instruction is always

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

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

 PLA
 PROM
 PLD
 PAL

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