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Microprocessor

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

False
True

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Microprocessor
Length of the instruction POP D is

 4 byte
 1 byte
 2 byte
 3 byte

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Microprocessor
Consider the following registers: 1. Accumulator and flag register 2. B and C register 3. D and E register 4. H and L register Which of these 8-bit registers of 8085 microprocessor can be paired together to make a 16-bit register?

 1, 2 and 3
 1, 3 and 4
 2, 3 and 4
 1, 2 and 4

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Microprocessor
Which one of the following microprocessor has 16-bit data bus?

 8085
 6502
 68000
 Z-80

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

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

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Microprocessor
What is the size (in bytes) of Prefetch queue in 8086?

 3.
 6.
 4.
 2.

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