Here’s a question bank for **Chapter 16: Basics of Electronics**
### **Short Questions (120)**
#### **Easy (30% - 36 questions)**
1. What is thermionic emission?
2. Define cathode rays.
3. What is the purpose of a cathode ray tube?
4. Define electronics.
5. What is the basic unit of digital electronics?
6. Name the main types of logical gates.
7. Define analogue electronics.
8. Define digital electronics.
9. What is the function of an oscilloscope?
10. State one use of a cathode ray oscilloscope.
11. Define an electron.
12. What is the purpose of logical gates?
13. What is a NOT gate?
14. What is an AND gate?
15. What is an OR gate?
16. State the main function of an OR gate.
17. State the main function of a NOT gate.
18. State the main function of an AND gate.
19. Define the term "logical operation."
20. What is the truth table?
21. Name any two applications of logical gates.
22. Define the term "binary."
23. What is a NAND gate?
24. What is a NOR gate?
25. Define cathode rays in simple words.
26. What is meant by “thermionic” in thermionic emission?
27. Name one device that uses thermionic emission.
28. What is a binary digit?
29. Define the function of a NOR gate.
30. How does an AND gate operate?
31. What is the difference between digital and analogue signals?
32. How does an OR gate operate?
33. Define the purpose of a NAND gate.
34. State the meaning of "binary logic."
35. What is the output of an OR gate if both inputs are 0?
36. What happens in thermionic emission?
#### **Moderate (40% - 48 questions)**
37. Explain the process of thermionic emission.
38. What is the function of an electron gun in a cathode ray tube?
39. How does a cathode ray oscilloscope work?
40. Explain the purpose of an oscilloscope in electronics.
41. How does a digital signal differ from an analogue signal?
42. What is the difference between an AND gate and an OR gate?
43. Describe the working principle of a NOT gate.
44. How does an OR gate differ from a NOR gate?
45. State the truth table for an AND gate.
46. State the truth table for a NOT gate.
47. What is the function of an oscilloscope in signal analysis?
48. Describe the process of detecting electrons.
49. Explain the main use of a cathode ray oscilloscope in electronics.
50. Describe the basic properties of electrons.
51. How does the AND operation work in digital electronics?
52. What does a truth table represent in logic gates?
53. State the truth table for an OR gate.
54. Explain the function of a NOR gate.
55. How does a NAND gate differ from an AND gate?
56. Describe the difference between analogue and digital electronics.
57. Explain the importance of logical gates in digital electronics.
58. What does a cathode ray oscilloscope measure?
59. Define the term "binary system."
60. State the truth table for a NAND gate.
61. Explain why thermionic emission is important in electronics.
62. Describe the role of logical gates in computers.
63. What is the main characteristic of a binary signal?
64. Explain how an OR gate operates with two inputs.
65. Define the process of thermionic emission.
66. State one practical use of logical gates.
67. Explain the NOT operation with an example.
68. How does the NAND gate function in electronics?
69. What is the significance of binary numbers in digital electronics?
70. Describe the basic operation of digital electronics.
71. Explain the difference between a NOR and OR gate.
72. What are the applications of a cathode ray oscilloscope?
73. State the truth table for a NOR gate.
74. What does an AND gate output if both inputs are 1?
75. Describe one application of thermionic emission in electronics.
76. How do logical gates help in decision-making in circuits?
77. Define the term "bit."
78. Explain the function of the electron gun in a CRT.
79. How is a binary number represented?
80. Describe how the cathode ray oscilloscope displays waveforms.
81. Explain the working of a NAND gate using a truth table.
82. Describe the effect of thermionic emission on metals.
83. What is the role of electrons in thermionic emission?
84. Describe how an OR gate can be used in practical circuits.
85. How does the NOR gate differ from other gates?
86. Explain the difference between a bit and a byte.
87. Describe the importance of a cathode ray oscilloscope.
88. How does thermionic emission affect electric circuits?
89. Explain how logical gates are used in decision-making in digital circuits.
90. Describe the importance of the binary system in digital electronics.
91. Explain how an OR gate’s output changes with different inputs.
92. Describe the significance of a truth table for logic gates.
93. How does the AND gate assist in logical operations?
94. What are the primary components of a cathode ray oscilloscope?
95. Describe the principle behind thermionic emission.
96. How is an oscilloscope used in signal analysis?
97. Explain how a NOR gate is different from other gates.
98. Define the basic function of logical gates in digital systems.
99. Describe the characteristics of a digital signal.
100. Explain how binary numbers are essential in electronic systems.
101. How does thermionic emission occur in a vacuum tube?
102. Describe how a NAND gate differs from an OR gate.
103. What is the binary output for a NOT operation with input 1?
104. Explain the purpose of a CRT screen in electronics.
105. How do logical gates relate to binary mathematics?
#### **Tough (30% - 36 questions)**
106. Explain the process of thermionic emission in detail.
107. Describe the properties of electrons that enable thermionic emission.
108. Explain how a cathode ray oscilloscope detects electron movement.
109. Describe the application of thermionic emission in cathode ray tubes.
110. How does thermionic emission enable the production of electron beams?
111. Explain the significance of the AND, OR, and NOT gates in computer logic.
112. Describe how a truth table is constructed for a NOR gate.
113. Explain the role of thermionic emission in creating a vacuum tube.
114. Describe the uses of NAND and NOR gates in computing.
115. How does a cathode ray oscilloscope visualize electrical signals?
116. Describe how logical gates are used in electronic circuits.
117. Explain how the AND operation is performed with binary inputs.
118. Describe the difference between analogue and digital processing.
119. Explain the significance of logical gates in digital circuits.
120. How is the truth table applied to understand the function of a NAND gate?
---
### **Long Questions (10)**
#### **Easy (30% - 3 questions)**
1. Describe thermionic emission and explain its role in electronics. How is it used in cathode ray tubes?
2. Explain the function of a cathode ray oscilloscope and describe its main components with a labeled diagram.
3. Describe the basic operations of digital electronics and discuss the role of AND, OR, and NOT gates.
#### **Moderate (40% - 4 questions)**
4. Explain the concept of logical gates. Describe the AND, OR, and NOT gates with truth tables and their practical applications.
5. Describe thermionic emission in detail and discuss its practical applications in electronics.
6. Explain the working of a cathode ray oscilloscope, its components, and its significance in electronics.
7. Describe the difference between analogue and digital electronics. Discuss the applications and uses of each type in electronic devices.
#### **Tough (30% - 3 questions)**
8. Explain the process of thermionic emission in detail and discuss its impact on the development of electronic components.
9. Describe in detail the operations of NAND and NOR gates, including truth tables, logic diagrams, and applications.
10. Explain the role of logical gates in digital electronics. How do NAND and NOR gates work, and what are their practical applications?