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Microprocessor

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

 0034H
 002CH
 003CH
 0000H

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Microprocessor
A microprocessor differentiates between op code, data/address at any time by

 its internal registers
 the sequence in which memory contents are fetched by it
 the program counter
 the stack pointer

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

 POP B
 POP D
 POP 30 H
 POP PSW

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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 Khz.
 2 Mhz.
 1Khz.
 8 Mhz.

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Microprocessor
What is mean by ALU

 Arithmetic local unsigned
 Arithmetic logic unit
 Arithmetic logic upgrade
 Arithmetic logic unsigned

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Microprocessor
The number of hardware interrupts present in 8085 microprocessor are

 5
 10
 16
 8

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