Q. Assertion (A): In a serial in-serial out shift register, access is available only to the left most or right most flip flops

Reason (R): If the output of a shift register is feedback to serial input it can be used as a ring counter.

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Q. IC counters are

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Q. Choose the appropriate turn on and turn off time of a FET

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Q. Consider the following statements

1. ECL has least propagation delay
2. TTL has largest fan out
3. CMOS has highest noise margin
4. TTL has lowest power dissipation

Which of these are correct?

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Q. In Schottky TTL, a Schottky diode is used for

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Q. Which of the following ICs has only one NAND gate?

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Q. A mod-10 counter can divide the clock frequency by a factor of

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Q. In a digital circuit, a clock is a

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Q. In a RS flip-flop no change occurs during

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Q. Out of multiplexer and demultiplexer, which can be used as a logic function generator?

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Q. Binary 1000 will be the result of which of the following?

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Q. The decimal equivalent of the hexadecimal number E 5 is

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Q. The parity bit is

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Q. In 2's complement representation, a certain negative number - N is 1011. The representation for + N is

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Q. In 8355, the ROM is organized as __________ words of 8 bits each.

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Q. What binary number does second row represent?

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Q. Which of the following correctly declares a pointer to an array of intergers in C?

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Q. With 2's complement representation, the range of values that can be represented on the data bus of an 8 bit microprocessor is given by

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Q. In a modem digital computer, a subtractor in normally not used because

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Q. In which one of the following types of analog to digital convertors the conversion time is practically independent of the amplitude of the analog signal?

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