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Microprocessor

Microprocessor
The word size of 8085 microprocessor is

 20-bit
 4-bit
 8-bit
 16-bit

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Microprocessor
During which T-state, contents of OP code from memory are loaded into IR (Instruction Register)?

 T3 OP code fetch
 T4 OP code fetch
 T1 OP code fetch
 T2 OP code fetch

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Microprocessor
Which of the following is not treated as hexadecimal constant by assembler in 8085?

234
64 H
6 AFH
45 H

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Microprocessor
Internet is a worldwide network of computers where most of the information is freely available.

True
False

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Microprocessor
While using a frequency counter for measuring frequency, two modes of measurement are possible: Period time Frequency mode There is a ‘cross-over frequency’ below which the period mode is preferred. Assuming the crystal oscillator frequency to be 4MHz, the crossover frequency is given by

 2 Mhz.
 8 Mhz.
 1Khz.
 2 Khz.

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Microprocessor
In 8086, _______ uses a mechanism known as an instruction stream queue to implement a pipeline architecture.

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

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