The number of 4-line-to-16-line decoders required to make an 8-line-to-250-line decoder is_____ .

In an XNOR gate, input A is high and B is low. The output will _____.

One of the two states of a circuit is stable and the others are quasi-stable. The circuit is a _____ circuit.

If inverters are added to the inputs of AND gate, the logic function is _____.

In a karnaugh map, a quad eliminates _____ variables.

In a shift register, complemented output point Ā of the last flip-flop is joined to point J of the first flip-flop while its point K is joined to point A of the last flip-flop. The circuit will work as _____.

Shifting the contents of a shift register one place to the left is equivalent to

The outputs Q and ¯Q of a master-slave S-R F/F are connected to its S and R inputs respectively. Its output Q, when clock pulses are applied, will be__________.

The design of a sequential circuit requires the use of _____.

Hexadecimal equivalent of (268)10 is_______ .

A flip-flop may be built with