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Microprocessor

Microprocessor
Total numbers of output pins in 8085 microprocessor are

 30
 13
 27
 40

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Microprocessor
When an 8085 microprocessor is reset, the address bus contains

 0000H
 002CH
 003CH
 0043H

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

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

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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.
 2 Khz.
 1Khz.

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Microprocessor
In 8085 microprocessor, in response to RST 7.5 interrupts the execution is transferred to memory location

 0034H
 002CH
 0000H
 003CH

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

100000
one million
10000
1000

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