Following are some of the multiple choice questions on the Digital Electronics with answers that will help the students in developing their knowledge.
Digital Electronics MCQ
1. Convert the following decimal number to 8-bit binary.
2. In the boolean algebra, a variable has ________ different state(s)/value(s).
3. An AND gate will function as OR if
4. Which of the following is Universal Gate?
5. The number of Boolean functions that can be generated by n variables is equal to
6. The inputs of a NAND gate are connected together. The resulting circuit is ___________.
7. A 4-bit R/2R ladder digital-to-analog converter uses ________.
8. 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
9. In Boolean algebra, the bar sign (-) indicates ___________.
10. In which of the following base systems is 123 not a valid number?
11. The only function of NOT gate is to ___________.
12. Which is a typical application of digital signal processing?
13. A NAND gate is called a universal logic element because
14. Most of the digital computers do not have floating point hardware because
15. Which type of CPLD packaging can provide maximum number of pins on the package due to small size of the pins?
16. Which is the example of digital device from the given option ?
17. How many 16K * 4 RAMs are required to achieve a memory with a capacity of 64K and a word length of 8 bits?
18. What must be done to interface TTL to CMOS?
19. What causes low-power Schottky TTL to use less power than the 74XX series TTL?
20. What are the major differences between the 5400 and 7400 series of ICs?
21. What is ripple carry adder?
22. How many select lines would be required for an 8-line-to-1-line multiplexer?
23. What is the maximum possible range of bit-count specifically in n-bit binary counter consisting of ‘n’ number of flip-flops?
24. What is the difference between a shift-right register and a shift-left register?
25. What is the preset condition for a ring shift counter?
26. PAL refers to____________
27. Dynamic RAM employs__________________
28. Static RAM employs________________
29. The complex programmable logic device contains several PLD blocks and____________
30. The FPGA refers to_____________
31. The full form of VLSI is______________
32. In FPGA, vertical and horizontal directions are separated by_______________
33. Applications of PLAs are____________
34. CMOS refers to_______________
35. Fan-in is defined as______________
36. The maximum noise voltage that may appear at the input of a logic gate without changing the logical state of its output is termed as_____________
37. The full form of CML is____________
38. Propagation delay is defined as
39. Propagation delay times can be divided as
40. Power Dissipation in DIC is expressed in
41. If a PAL has been programmed once
42. The difference between a PAL & a PLA is
43. Which type of device FPGA are?
44. For programmable logic functions, which type of PLD should be used?
45. Outputs of the AND gate in PLD is known as
46. How many address bits are required to select memory location in Memory decoder?
47. How many types of PLD is?
49. PLA is used to implement
50. A PLA is similar to a ROM in concept except that
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