In the half subtractor combinational circuit, what does 'A' represent in the subtraction operation (A - B)?

Which type of unipolar logic family exhibits its usability for the applications requiring low power consumption?

A. PMOS

B. NMOS

C. CMOS

D. All of the above

Which type of output current flows towards or into the output terminal in a logic circuit?

A. Sourcing current

B. Sinking current

C. Both a and b

D. None of the above

Suppose that the digital IC family has a fan out of 6. It implies that the gate can supply the current to _______ of same family.

A. 6 inputs

B. 6 outputs

C. 12 nodes

D. 12 branches

What does the below stated OR Law imply, while performing OR operation of an input with '1'?

Expression of OR Law: A+ 1 = 1

A. Output will always be equal to input

B. Output will always be high

C. Output will always be low

D. Output will always be same

How is the relation specified between input and output in logic circuits?

A. Switching equations

B. Truth-table

C. Logic diagram

D. All of the above