Electrical Engg (EEE) - MCQ Practice Questions

In a D flip-flop, the output Q follows the input D on the occurrence of which signal?

Which type of ADC provides the fastest conversion?

What is the output frequency of a decade counter (MOD-10 counter) when input frequency is 1 MHz?

The setup time of a flip-flop is defined as the minimum time during which the input must be stable:

Which of the following logic families has the highest power dissipation?

A 16:1 multiplexer requires how many select lines to uniquely identify each input?

In asynchronous (ripple) counters, the propagation delay issue leads to:

Which digital circuit is used to convert parallel data into serial form?

The Boolean expression A·B + A·B' can be simplified to:

What is the hold time of a flip-flop?

A 32:1 multiplexer can be constructed using how many 4:1 multiplexers?

Which of the following flip-flops is most suitable for frequency division applications?

In 2's complement representation, what is the range of numbers for an 8-bit system?

Which characteristic of CMOS logic makes it suitable for portable devices?

How many address lines are required for a 4GB memory system?

In a priority encoder, what determines which input is encoded when multiple inputs are active?

What is the main advantage of Gray code over binary code in digital systems?

In a synchronous counter design, what is the primary advantage over asynchronous counters?

Which logic family has the highest noise margin among the following?

Which of the following represents the De Morgan's law correctly?