Digital Electronics MCQs
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Digital Electronics MCQs
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25 Questions

1. 1's complement of 1011001 is
2. A digital circuit that can store only one bit is a
3. At which frequency the digital data can be applied to a gate?
4. The following hexadecimal number (1E.43)16 is equivalent to
5. The logical sum of two or more than two logical products is termed as
6. TTL is a class of digital circuits built from
7. The excess-3 code for 584 is given by
8. In the toggle mode, a JK flip-flop has
9. An overflow is a
10. How much input and output needed for demultiplexer?
11. Which insulating layer is used in the fabrication of MOSFET?
12. Which logic unit is the fastest of all the logic families?
13. Suppose the output of an XNOR gate is 1. Which of the given input combination is correct?
14. CMOS technology used in?
15. The queue is also known as
16. A register can be defined as
17. Dual slop ADC has the value of R = 1 K? and the value of C is 0.44 nano-farad has charging and discharging time for some specific voltage is nine ns and 3 ns, respectively. If the reference voltage is 4.4 V, what is the peak voltage reached by a triangular wave during the charging process?
18. Which number system has a base 16
19. Which of the given logic family provide minimum power dissipation
20. In an 8 -bit Johnson counter sequence, how many states orbit patterns are possible?
21. 2's complement of 1011011 is
22. How many entries will be in the truth table of a 4-input NAND gate?
23. What is the binary subtraction of 101001 - 010110 =?
24. What is a digital-to-analog converter?
25. Which insulating layer is used in the fabrication of MOSFET?

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