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Microprocessor

Microprocessor
The clock speed of 8085 is

 1MHz.
 1KHz.
 3.2MHz.
 3.2KHz.

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

2^m
2*m
log2 (m)
m

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Microprocessor
During the execution of the instruction, the ________tests the status and control flags and updates them based on the results of executing the instruction.

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

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

one million
100000
10000
1000

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Microprocessor
The stack pointer

 resides in microprocessor
 resides in ROM
 may be in RAM or ROM
 resides in RAM

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Microprocessor
The processor status word of 8085 microprocessor has five flags namely:

 S, OV, AC, P, CY
 S, Z, AC, P, OV
 S, Z, OV, P, CY
 S, Z, AC, P, CY

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