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Microprocessor

Microprocessor
In 8086 the number of bytes which can be addressed directly is about

one million
10000
1000
100000

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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 reason for the presence of ALE pin in 8085, but not in 6800 is that

 8085 uses I/O mapped I/O, whereas 6800 uses memory mapped I/O
 8085 has 5 interrupts lines, whereas 6800 has only two
 8085 has multiplexed bus, whereas 6800 does not have
 None

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

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

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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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Microprocessor
In C the keywords are also called

Character words
Class words
Reserved words
Special words

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