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| Physics 10th Chapter 16 Basic Electronics Questions Bank |
Physics 10th Chapter 16 Basic Electronics Solved MCQs, Short and Long Questions
MCQs
Select the right Answer.
1. A and B are the two input of NOR gate. Its output would be 1 when
2. A and B are two inputs of NAND gate. Its output would be zero when
3. A switch has only possible states?
4. After NOT operation the value of Boolean variable 0 is
5. Analogue quantities are
6. AND operation is just like _________ combinations of resistors
7. AND operations is represented by
8. Boolean algebra operates with two logic states represented by two distinct voltage level
9. Circuits which convert the analogue signal into digital signal
10. Circuits which convert the digital signal into analogue signals
11. Digital electronics uses two digits
12. Electronics which provides the data in the form of maximum and minimum voltage signals
13. George Boolean invented a special algebra known as algebra of logics or _________
14. In Boolean algebra 1 represents
15. In Boolean algebra zero represents
16. In case of OR operation the lamp is Off when
17. NAND gate is the combination of
18. NAND operation is simply an AND operation followed by a
19. NOR gate is the combination of
20. NOT gate is also called
21. NOT operation is also known as
22. NOT operation is represented by
23. Number of input(s) of NOT operation are
24. OR operation is just like _________ combinations of resistors
25. OR operations is represented by
26. The circuit which implements the AND operation is called
27. The circuit which implements the OR operation is called
28. The circuit which is used to implement NOT operation
29. The logical operation, whose output will only be one if its all inputs are 1
30. The NOR operation is simply an OR operation followed by a
31. The number of operations of Boolean algebra are
32. The output of NAND gate is 0 when _______
33. The output of OR operation is 0 when
34. The quantities whose value vary in non – continuous manner are called
35. The states of binary variables are usually represented by the digits
36. The various operations of Boolean variables are also called
37. Those quantities whose value vary continuously or remain constant
38. Time , pressure, distance are all
39. To make burglar alarm, we use
40. Value of a Boolean variable 1 after NOT operation is
41. Which is an analogue circuit which amplifies the signals without changing its shape to such an extent that it can operate a loudspeaker?
42. Which of the following are digital devices?
43. Which of the following is an analogue device?
Short Questions
"1. Assume you have an OR gate with two inputs, A and B. Determine the output C, for the following cases:
(a) A = 1, B = 0 (b) A = 0, B = 1
If either input is one, what is the output?"
2. Briefly introduce Boolean algebra.
3. Define digital and analogue electronics.
4. Define Truth table.
5. Define AND operation.
6. Define NAND Gate.
7. Define NOR Gate.
8. Define NOT Gate.
9. Define OR operation.
10. Explain the difference between analogue and digital electronics.
11. Give three reasons to support the evidence that cathode rays are negatively charged electrons.
12. How can you compare the logic operation X=A.B with usual operation of multiplication?
13. How we can obtain NOT gate from NAND or NOR gate explain with the help of truth table?
14. Name two factors which can enhance thermionic emission.
15. NAND gate is the reciprocal of AND gate. Discuss
16. Show analogue signal of microphone.
17. What are basic operations of digital electronics?
18. What do you meant by logic gate?
19. What is meant by logic operation?
20. When a moving electron enters the magnetic field, it is deflected from its straight path. Name two factors which can enhance electron deflection.
21. When electrons pass through two parallel plates having opposite charges, they are deflected towards the positively charged plate. What important characteristic of the electron can be inferred from this?
22. Which gate perform logic complementations?
23. Why TV and telephone signals has been transformed from analogue to digital?
24. Write down the purpose of NOT Gate?
25. Write down Truth table of AND gate.
26. Write down Truth table of NAND gate.
27. Write down Truth table of NOR gate.
28. Write down Truth table of NOT gate.
29. Write down Truth table of OR gate
30. Write the importance of digital electronics?
Long Questions
1. Describe, using one simple diagram in each case, what happens when a narrow beam of electrons is passed through (a) a uniform electric field (b) a uniform magnetic field. What do these results indicate about the charge on electron?
2. Explain the working of different parts of oscilloscope.
3. Name some uses of oscilloscope.
4. What is electron gun? Describe the process of thermionic emission.
5. What do you understand by digital and analogue quantities?
6. Differentiate between analogue electronics and digital electronics. Write downnames of five analogue and five digital devices that are commonly used in everyday life.
7. Write down some benefits of using digital electronics over analogue electronics.
8. What are the three universal Logic Gates? Give their symbols and truth tables.
9. What is electron gun? Describe the process of thermionic emission.
10. What is cathode ray oscilloscope? Explain the working of different parts of oscilloscope.
11. Discuss analogue and digital signals graphically? What are analogue and digital converters?
12. Write a note on the basic operations of digital electronics logic gates.
13. What is AND gate? Give its symbols and truth table.
14. What is OR gate? Give its symbols and truth table.
15. What is NOT gate? Give its symbols and truth table.
16. What are NAND and NOR gates? Give their symbols and truth tables.
17. Write the uses of logic gates with the help of examples.