Q. If the input to T-flipflop is 100 Hz signal, the final output of the three T-flipflops in cascade is

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Q. The device which changes from serial data to parallel data is

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Q. A device which converts BCD to Seven Segment is called

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Q. The access time of ROM using bipolar transistors is about

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Q. The A/D converter whose conversion time is independent of the number of bits is

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Q. A 4-bit synchronous counter uses flip-flops with propagation delay times of 15 ns each. The maximum possible time required for change of state will be

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Q. Words having 8-bits are to be stored into computer memory. The number of lines required for writing into memory are

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Q. In successive-approximation A/D converter, offset voltage equal to 1/2 LSB is added to the D/A converter’s output. This is done to

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Q. How many flip flops are required to construct a decade counter

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Q. Which TTL logic gate is used for wired ANDing

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Q. The MSI chip 7474 is

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Q. When the set of input data to an even parity generator is 0111, the output will be

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Q. How many flip-flops are required to construct mod 30 counter

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Q. The number of control lines for 16 to 1 multiplexer is

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Q. The number of control lines for 32 to 1 multiplexer is

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Q. The logic 0 level of a CMOS logic device is approximately

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Q. How many select lines will a 32:1 multiplexer will have

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Q. Which of following consume minimum power?

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Q. ABCD - seven segment decoder / driver in connected to an LED display. Which segments are illuminated for the input code DCBA = 0001.

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Q. How many flip-flops are required to produce a divide-by-32 device?

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