Q. DeMorgan's first theorem shows the equivalence of

View solution

Q. 0.1011₂ = __________ .

View solution

Q. A 4 bit down counter starts counting from 1111 irrespective of modulus.

View solution

Q. The number of counter states which an 8 bit stair step A/D converter has to pass through before conversion takes place is equal to

View solution

Q. 74 HC series can sink upto 4 mA. The 74 LS series has IIL(max) - 0.4 mA. How many 74 LS inputs be driven by 74 HC output?

View solution

Q. An 8 bit transistor register has output voltage of low-high-low-high-low-high-low-high. The decimal number stored is

View solution

Q. The number of cells in a 4 variable K map is

View solution

Q. In which counter does the maximum frequency depend on the modulus?

View solution

Q. A current tracer responds to

View solution

Q. A presettable counter with 4 flip flops can start counting from

View solution

Q. A logical expression Y = A + A̅B is equal to

View solution

Q. Using the same flip flops

View solution

Q. A 3 bit up-down counter can count from

View solution

Q. The density of dynamic RAM is

View solution

Q. A 3 input NAND gate is to be used as inverter. Which of the following will give better results?

View solution

Q. The maximum counting range of a four stage counter using IC 74193 is

View solution

Q. Find the FSV (full scale voltage) in a 6 bit R-2R ladder D/A converter has a reference voltage of 6.5 V.

View solution

Q. Parallel adder is

View solution

Q. An 8 bit binary number is to be entered into an 8 bit serial shift register. The number of clock pulses required is

View solution

Q. Assertion (A): CMOS devices have very high speed.

Reason (R): CMOS devices have very small physical size and simple geometry.

View solution