Class 10th Physics Unit 16 Basic Electronics MCQs Short Long Notes

physics 10th notes ch 16

1. Which is an analogue circuit which amplifies the signals without changing its shape to such an extent that it can operate a loudspeaker?

 
 
 
 

2. Boolean algebra operates with two logic states represented by two distinct voltage level

 
 
 
 

3. The circuit which is used to implement NOT operation

 
 
 
 

4. A and B are two inputs of NAND gate. Its output would be zero when

 
 
 
 

5. Analogue quantities are

 
 
 
 

6. In case of OR operation the lamp is Off when

 
 
 
 

7. The logical operation, whose output will only be one if its all inputs are 1

 
 
 
 

8. The output of OR operation is 0 when

 
 
 
 

9. NOT operation is represented by

 
 
 
 

10. AND operation is just like _________ combinations of resistors

 
 
 
 

11. To make burglar alarm, we use

 
 
 
 

12. The number of operations of Boolean algebra are

 
 
 
 

13. OR operation is just like _________ combinations of resistors

 
 
 
 

14. Which of the following is an analogue device?

 
 
 
 

15. NAND operation is simply an AND operation followed by a

 
 
 
 

16. George Boolean invented a special algebra known as algebra of logics or _________

 
 
 
 

17. The states of binary variables are usually represented by the digits

 
 
 
 

18. Time , pressure, distance are all

 
 
 
 

19. Circuits which convert the digital signal into analogue signals

 
 
 
 

20. NOT gate is also called

 
 
 
 

21. A and B are the two input of NOR gate. Its output would be 1 when

 
 
 
 

22. A switch has only possible states?

 
 
 
 

23. In Boolean algebra zero represents

 
 
 
 

24. Digital electronics uses two digits

 
 
 
 

25. Electronics which provides the data in the form of maximum and minimum voltage signals

 
 
 
 

26. Those quantities whose value vary continuously or remain constant

 
 
 
 

27. AND operations is represented by

 
 
 
 

28. Value of a Boolean variable 1 after NOT operation is

 
 
 
 

29. NOT operation is also known as

 
 
 
 

30. The NOR operation is simply an OR operation followed by a

 
 
 
 

31. After NOT operation the value of Boolean variable 0 is

 
 
 
 

32. Number of input(s) of NOT operation are

 
 
 
 

33. Which of the following are digital devices?

 
 
 
 

34. Circuits which convert the analogue signal into digital signal

 
 
 
 

35. NOR gate is the combination of

 
 
 
 

36. In Boolean algebra 1 represents

 
 
 
 

37. OR operations is represented by

 
 
 
 

38. The circuit which implements the AND operation is called

 
 
 
 

39. NAND gate is the combination of

 
 
 
 

40. The various operations of Boolean variables are also called

 
 
 
 

41. The circuit which implements the OR operation is called

 
 
 
 

42. The output of NAND gate is 0 when _______ 

 
 
 
 

43. The quantities whose value vary in non – continuous manner are called

 
 
 
 

Short Questions

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?
Briefly introduce Boolean algebra.
Define digital and analogue electronics.
Define Truth table. 
Define AND operation.
Define NAND Gate. 
Define NOR Gate. 
Define NOT Gate.
Define OR operation. 
Explain the difference between analogue and digital electronics.
How can you compare the logic operation X=A.B with usual operation of multiplication?
How we can obtain NOT gate from NAND or NOR gate explain with the help of truth table?
NAND gate is the reciprocal of AND gate. Discuss
Show analogue signal of microphone.
What are basic operations of digital electronics?
What do you meant by logic gate?
What is meant by logic operation? 
When a moving electron enters the magnetic field, it is deflected from its straight path. Name two factors which can enhance electron deflection.
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?
Which gate perform logic complementations?
Why TV and telephone signals has been transformed from analogue to digital? 
Write down the purpose of NOT Gate? 
Write down Truth table of AND gate.
Write down Truth table of NAND gate. 
Write down Truth table of NOR gate.
Write down Truth table of NOT gate. 
Write down Truth table of OR gate
Write the importance of digital electronics?

Long Questions

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?
Differentiate between analogue electronics and digital electronics. Write downnames of five analogue and five digital devices that are commonly used in everyday life.
Discuss analogue and digital signals graphically? What are analogue and digital converters?
Explain the working of different parts of oscilloscope.
Name some uses of oscilloscope.
What is electron gun? Describe the process of thermionic emission.
What are the three universal Logic Gates? Give their symbols and truth tables.
What are NAND and NOR gates? Give their symbols and truth tables.
What do you understand by digital and analogue quantities?
What is AND gate? Give its symbols and truth table.
What is cathode ray oscilloscope? Explain the working of different parts of oscilloscope.
What is electron gun? Describe the process of thermionic emission.
What is NOT gate? Give its symbols and truth table.
What is OR gate? Give its symbols and truth table.
Write a note on the basic operations of digital electronics logic gates.
Write down some benefits of using digital electronics over analogue electronics.
Write the uses of logic gates with the help of examples.

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