ECE :: Digital Electronics
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The K-map for a Boolean function is shown in figure. The number of essential prime implicants for this function is
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When microprocessor processes both positive and negative numbers, the representation used is
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An AND gate has four inputs. One of the inputs is low and other inputs are high. The output
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In the given figure, the flip flop is
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The applications of shift registers are
- Time delay
- Ring counter
- Serial to parallel data conversion
- Serial to serial data conversion
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Assertion (A): ECL is fast as compared to TTL.
Reason (R): ECL dissipates less power than TTL.
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Assertion (A): Synchronous counter has higher speed of operation than ripple counter
Reason (R): Synchronous counter uses high speed flip flops.
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What will be the maximum conversion time in 6 bit dual slope A/D converter uses a reference of -6v and a 1 MHz clock. It uses a fixed count of 40 (101000).
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for t2 maximum all bits should be 111111 = (63)10 