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.
 1Khz.
 8 Mhz.
 2 Khz.

ANSWER DOWNLOAD EXAMIANS APP

Microprocessor
IN an intel 8085A microprocessor, why is READY signal used?

 To slow down a fast peripheral device so as to communicate at the microprocessor’s device.
 To provide proper WAIT states when the microprocessor is communicating with a slow peripheral device.
 To indicate to user that the microprocessor is working and is ready for use.
None of these

ANSWER DOWNLOAD EXAMIANS APP

Microprocessor
A high on RESET OUT signifies that

 processing can begin when this signal goes high
 all the registers and counters are being reset and this signal can be used to reset external support chip
 all the registers and counters are being reset
 all the registers of the CPU are being reset

ANSWER DOWNLOAD EXAMIANS APP
MORE MCQ ON Microprocessor