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Microprocessor

Microprocessor
For a memory with a 16-bit address space, the addressability is

8 bits
Cannot be determined
16 bits
2^16 bits

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Microprocessor
Which of the following instruction is not possible in 8085?

 POP PSW
 POP B
 POP 30 H
 POP D

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

 3.
 6.
 2.
 4.

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Microprocessor
After RESET 8255 will be in

 mode 0; all ports are input
 mode 2
 unchanged condition
 mode 0; all ports are output

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Microprocessor
If m is a power of 2, the number of select lines required for an m-input mux is:

log2 (m)
m
2*m
2^m

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Microprocessor
The address bus width of a microprocessor which is capable of addressing 64 Kbytes of the memory is

 12
 16
 8
 20

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