Q. TTL logic is preferred to DRL logic because

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Q. Assertion (A): Schottky transistors are preferred over normal transistors in digital circuits

Reason (R): A Schottky transistor when used as a switch, between cutoff and active region.

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Q. A 4 bit synchronous counter uses flip flops with a delay time of 15 ns each. The time required for change of state is

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Q. What do the contents of instruction register specify?

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Q. In the decimal number 27, the digital 2 represents

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Q. Which of the following is true?

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Q. E7F6₁₆ = __________ .

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Q. What is the normal range of analog input voltage?

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Q. Assertion (A): The propagation delay in ECL is minimum

Reason (R): Transistors used in ECL switch between active and cutoff regions.

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Q. For the design of a sequential circuit having 9 states, minimum number of memory elements required is

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Q. ICs are

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Q. A 6 bit DAC uses binary weighted resistors. If MSB resistor is 20 k ohm, the value of LSB resistor is

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Q. A 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). Then, what will be input, if the output register shows 100111 at the end of conversion.

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Q. The number of accumulators in 6800 are

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Q. A 14 pin AND gate IC has __________ AND gates.

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Q. In 8085 microprocessor, how many lines are there in data bus?

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Q. The basic shift register operations are

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Q. The hexadecimal number 'A0' has the decimal value

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Q. The code used to reduce the error due to ambiguity in reading of a binary optical encoder is

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Q. In a clocked latch, clock drives

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