Digital Electronics Multiple Choice Questions

Digital Electronics  Multiple Choice Questions and Answers |Multiple Choice Questions and Answers on Digital Electronics  

Digital Electronics MCQ Quiz: In this todays life digital electronics is most important one because of its digital circuits compared to analog circuits are that signals represented digitally can be transmitted without degradation due to noise. Understanding the low level of functionality of the machine can be very useful for when programming in C language. Students who are interested in this digital electronics sections spend your time in this page. We have prepared the digital electronics multiple choice questions for students and others useful. In this page You will get lots of information about digital electronics segments. Digital electronics is very interesting subject. So student don’t miss the opportunity to learn the below digital electronics segments. This digital electronics objective questions/digital electronics multiple choice questions are useful for all of us. More advantages are listed in the digital electronics segments.

Advantages of Digital Electronics

• It can be used to design your clock display.
• We use digital circuits in complex processes such as Rocket Science and Quantum Computing.
• Digital circuits are also used in restaurants, traffic lights and automatic glass doors in offices.

Here, we have provided the some important links for candidates who are preparing for exams, interview and other use.

Software Testing MCQ Questions and Answer

DBMS MCQ Questions and Answer

Digital Marketing MCQ Questions and Answer PDF

 Digital Electronics Multiple Choice Questions Highlights

Article Name	Digital Electronics
Language	English
Number of Questions	30
Category	MCQ

Digital Electronics Objective Questions and Answer:

1. The universal gate is ___________

B. NAND gate

C. AND gate

D. None

Answer: NAND gate

2. The number of Boolean functions that can be generated by n variables is equal to________

B. 2²ⁿ

C. 2ⁿ

D. 2ⁿ

Answer: 2²ⁿ

3. In which of the following base systems is 123 not a valid number?

B. Base 8

C. Base 10

D. Base 16

Answer: Base 3

4. Which mechanism allocates the binary value to the states in order to reduce the cost of the combinational circuits?

A. State Reduction

B. State Evaluation

C. State Minimization

D. State Assignment

Answer: State Assignment

5. Digital circuit can be made by the repeated use of ___________

B. NAND gates

C. OR gates

D. None

Answer: NAND gates

6. A debouncing circuit is called_________

B. A latch

C. An astable MV

D. A monostable MV

Answer: A latch

7. Most of the digital computers do not have floating point hardware because___________

B. Floating point hardware is costly

C. Of no specific reason

D. It is not possible to perform floating point addition by hardware

Answer: Floating point hardware is costly

8. The inverter is ___________

B. NOT gate

C. OR gate

D. None

Answer: NOT gate

9. The binary number 10101 is equivalent to decimal number ___________.

B. 19

C. 12

D. 21

Answer: 21

10. What is/are the configurable functions of each and every IOBs connected around the FPGA device from the operational point of view?

B. Tristate output operation

C. Input operation

D. All of above

Answer: All of above

11. Assuming 8 bits for data, 1 bit for parity, I start bit and 2 stop bits, the number of characters that 1200 BPS communication line can transmit is__________

B. 120 CPS

C. 10 CPS

D. None

Answer: 12 CPS

12. Which type of CPLD packaging can provide maximum number of pins on the package due to small size of the pins?

A. QFP

B. PLCC

C. BGA

D. PGA

Answer: BGA

13. An AND gate will function as OR if_________

A. All the inputs and outputs are complemented

B. All the inputs to the gates are “1”

C. All the inputs are ‘0

D. Either of the inputs is “1”

Answer: All the inputs and outputs are complemented

14. The NOR gate is OR gate followed by ___________

A. NAND gate

B. AND gate

C. NOT gate

D. None

Answer: NOT gate

15. NAND gates are preferred over others because these_________

A. provide maximum density in a chip

B. can be used to make any gate

C. have lower fabrication area

D. consume least electronic power

Answer: can be used to make any gate

16. Excess-3 code is known as________

A. Algebraic code

B. Self-complementing code

C. Weighted code

D. Cyclic redundancy code

Answer: Self-complementing code

17. Which of the following gate is a two-level logic gate________

A. NAND gate

B. OR gate

C. NOT gate

D. EXCLUSIVE OR gate

Answer: EXCLUSIVE OR gate

18. The only function of NOT gate is to ___________

A. Act as a universal gate

B. Invert input signal

C. Stop signal

D. None of the above

Answer: Invert input signal

19. The number 10000 would appear just immediately after_________

A. 7777 (octal)

B. 1111 (binary)

C. FFFF (hex)

D. All of above

Answer: All of above

20. Which is the correct order of sequence for representing the input values in K-map?

A. (00, 01, 10, 11)

B. (00, 10, 01, 11)

C. (00, 10, 11, 01)

D. (00, 01, 11, 10)

Answer: (00, 01, 11, 10)

21. Digital computers are more widely used as compared to analog computers, because they are__________

A. Easier to maintain

B. Less expensive

C. Useful over wider ranges of problem types

D. Always more accurate and faster

Answer: Useful over wider ranges of problem types

22. The inputs of a NAND gate are connected together. The resulting circuit is ___________

A. NOT gate

B. AND gate

C. OR gate

D. None

Answer: NOT gate

23. When an input signal 1 is applied to a NOT gate, the output is ___________.

A. 0

B. 1

C. Either 0 & 1

D. None

Answer: 0

24. Storage of 1 KB means the following number of bytes____________

A. 964

B. 1064

C. 1000

D. 1024

Answer: 1024

25. A hexadecimal odometer displays F 52 F. The next reading will be__________

A. F53O

B. F52E

C. G52F

D. F53F

Answer: F53O

26. A NAND gate is called a universal logic element because_____________

B. Many digital computers use NAND gates

C. It is used by everybody

D. All the techniques are applicable for optimum NAND gate realization

Answer: Any logic function can be realized by NAND gates alone

27. The binary code of (21.125)10 is_________

A. 10101.010

B. 10100.001

C. 10101.001

D. 10100.111

Answer: 10101.001

28. In Boolean algebra, the bar sign (-) indicates ___________

A. NOT operation

B. AND operation

C. OR operation

D. None

Answer: NOT operation

29. Among the logic families, the family which can be used at very high frequency greater than 100 MHz in a 4 bit synchronous counter is__________

A. CMOS

B. TTLAS

C. TTLLS

D. ECL

Answer: ECL

30. The NAND gate is AND gate followed by ___________

B. OR gate

C. AND gate

D. None

Answer: NOT gate

In this above section we have shared Digital Electronics multiple choice questions and answers. Refer our dailyrecruitment site continuously. Candidate also read the above mcq digital electronics questions and select the correct option.