Top

Digital Electronics

101.

The number of distinct Boolean expression of 4 variables is

Answer: D

No Explanation.

Enter details here

102.

If A = 0101, then A' is

Answer: B

A' = 1010 + 1 = 1011.

Enter details here

103.

An 8 bit data is to be entered into a parallel in register. The number of clock pulses required is

Answer: D

In a parallel in register only one pulse is needed to enter data.

Enter details here

104.

The resolution of an n bit DAC with a maximum input of 5 V is 5 mV. The value of n is

Answer: C

No Explanation.

Enter details here

Answer: B

High speed is obtained because saturation state is avoided.

Enter details here

106.

An 8 bit binary number is to be entered into an 8 bit serial shift register. The number of clock pulses required is

Answer: D

In serial shift register one pulse is needed to store each bit.

Enter details here

Answer: A

No Explanation.

Enter details here

108.

What will be minimum conversion rate in 6 bit dual slope A/D converter uses a reference of -6v and a 1 MHz clock. It uses a fixed count of 40 (101000).

Answer: B

No Explanation.
 

Enter details here

Answer: B

Analog input can have any value but digital value can have only 2N discrete levels (for N bits). Hence quantization error in A/D conversion.

Enter details here

Answer: C

Both ultra violet and electric pulses are used for erasing.

Enter details here

Loading…
Tags: Digital Electronics Questions and Answers || Digital Electronics MCQ Questions and Answers || Digital Electronics GK Questions and Answers || Digital Electronics GK MCQ Questions || Digital Electronics Multiple Choice Questions and Answers || Digital Electronics GK || GK on Digital Electronics || Electronics and Communication Engineering Questions and Answers || Electronics and Communication Engineering MCQ Questions and Answers || Electronics and Communication Engineering GK Questions and Answers || GK on Electronics and Communication Engineering