Q. If we need a device to shut off a few ampere current in a few nano seconds, the proper devices is

View solution

Q. A voltage DAC is generally slower than current DAC

View solution

Q. For a NAND SR latch of input is the normal resting state of inputs is

View solution

Q. A mod-2 counter followed by a mod 5 is same as

View solution

Q. The write cycle time of memory is 200 nsec. The maximum rate of data which can be stored is

View solution

Q. The no. of FF required and the maximum decimal no. of a MOD-12 counter is

View solution

Q. In a four variable K map eight adjacent cells give

View solution

Q. In a digital counter the number of flip-flops is

View solution

Q. Assertion (A): Gray code is used in shaft position encoding.

Reason (R): In gray code only a single bit change occurs when going from one code to another.

View solution

Q. As compared to MOS memories, bipolar memories have

View solution

Q. The hexadecimal number BBC7 is equivalent to decimal number

View solution

Q. In 8085, out of interrupts given below, one particular interrupts is quite different from others, This interrupt is

View solution

Q. An A/D converter uses for reference purposes

View solution

Q. Assertion (A): In hybrid digital circuits the problem of logic race can occur.

Reason (R): In two level logic there is no problem of logic race.

View solution

Q. What is the memory word size of 8085 μp?

View solution

Q. Binary number 101101 when converted to its 2's complement will become

View solution

Q. Assertion (A): In a BCD to 7 segment decoder the number of outputs active at one time is always the same.

Reason (R): A decoder can be used to interface BCD input to LED display.

View solution

Q. A master slave flip-flop has the characteristics that

View solution

Q. Which of the following flip-flops is used as latch?

View solution

Q. Least expensive logic

View solution