ECE :: Digital Electronics
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Digital technologies being used now-a-days are
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A seven bit code (even parity) 1111101 may have error. The correct code is
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Periodic recharging of the memory cells at regular intervals of 3 to 8 millisecond is required in a
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The frequency of the driving network connected between pins 1 and 2 of a 8085 chip must be
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Assertion (A): Divide-64 counter is a Mod-64 counter and divides the input frequency by 64
Reason (R): A Mod 64 counter can be obtained by cascading Mod 16 and Mod 4 counters.
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In number system e.g. 6, a “decade” counter has to recycle to 0 at the sixth count. Which of the connections indicate below will realize this resetting? (a logic “0” at the R inputs resets the counters)
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In 8085 microprocessor, in order to enable INTR interrupt, which of the following instruction are needed?