How many types of shift registers are there?

The minimum number of comparators required to build a 4-bit flash ADC is:

All logic operations can be obtained by using

If (AB.CD)16=(xxyx.y)5 then what is the value of (xy)7? (while converting xy to base 7 consider x and y as numbers in decimal system).

How many 2-input NAND gates are required to realize the functions: f1 = Σm(0,1,3,4,7) and f2 = Σm(1,2,3,4,5,6) using a 3:8 decoder that generates maxterms?

In signed magnitude representation, the binary equivalent of 22.5625 is (the bit before the comma represents the sign)

Which CMOS gate is designed with three P-MOSFETs connected in series in the pull-up network and three N-MOSFETs connected in parallel in the pull-down network?

A mod 18 counter can be made from which counter?

Which of the following statements is correct about a trigger pulse?

What is the indication of a short to ground in the output of a driving gate?