A 4-bit synchronous counter uses flip-flops with the propagation delay time of 25nsec each. The maximum possible time required for the change of state will be _____.

The write-cycle time of a memory is 200 nsec. The maximum rate at which data can be stored is________

A multiplexer having 32 data input lines needs _____ select lines.

Which of the following memories uses an index-hole to provide timing signals?

Shift-registers most commonly use _____.

A monostable circuit uses a timing register of 10k ohms and a capacitor of 0.1µF capacity respectively. Its pulse-width will be approximately_____ .

In a 4-bit weighted-register DAC, the resistor value corresponding to MSB is 2k ohm. The resistor value corresponding to LSB will be _____.

One OR gate can work as a _____ comparator

For a flip-flop with provisions of preset and clear__________.

A memory in which the contents get erased when power-failure occurs is called_______ .

A J-K F/F may be obtained by adding__________