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Microprocessor

Microprocessor
Temporary registers in 8085 are

 W and Z.
 H and L.
 B and C.
 D and E.

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

 0000H
 003CH
 0034H
 002CH

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Microprocessor
A number of 1-bit registers used in microprocessors to indicate certain conditions are usually referred to as

 latches
 counters
 flags
 shift registers

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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.
 8 Mhz.
 2 Mhz.
 1Khz.

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Microprocessor
Which of the following pair of gates can form a latch?

A cross coupled NAND/OR
A pair of cross coupled NAND
A pair of cross copled AND
A pair of cross coupled OR

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Microprocessor
In 8085, the pins for SID and SOD are

4 and 3 respectively
3 and 4 respectively
4 and 5 respectively
5 and 4 respectively

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