CEC Digital Electronics & Microprocessor Lesson 3, 4, 5 MCQ Answers (Number System)

Number System MCQ :- CEC Digital Electronics And Microprocessor Lesson 3,4 and 5

MCQ’S – LESSON Answers (Number System)

1.How many digits or numbers are present in octal number system? 

  • 3

Ans:- 8

2. If the base of the system is ‘8’. Then we call it as _______ number system? 

  • Hexadecimal 
  • Octal 
  • Binary 
  • None

Ans:- Octal 

3. The basic digits of octal system is 0,1,2,…7 

  • True 
  • False

Ans:- True

4. Octal digital can be represented by a group of _____ bit sequence 

  • 6

Ans:- 3

5. what is the decimal equivalent of(55)8 

  • 45 
  • 55 
  • 65 
  • 75

Ans:- 45

6. What is the decimal equivalent of  (35.4)8 

  • 29.5  
  • 29.05  
  • 29.04 
  • 29.4

Ans:- 29.5

7. To convert the decimal number into octal number, repeatedly divide the number by ____ 

  • 16 
  • 4

Ans:- 8 

8. What is the octal equivalent of (34)10? 

  • 40 
  • 41 
  • 42 
  • 43

Ans:- 42

MCQ’S – LESSON 4 Answers (Number System)

1.What is the octal equivalent of (.002)₁₀? 

  • 0011  
  • .0010 
  • .1011 
  • .1111

Ans:- .0010

2. The binary number of 2 is ____ 

  • 111 
  • 001 
  • 010  
  • 100

Ans:- 010

3. Octal number should be written in _____ bit form. 

  • 5

Ans:- 3

4. The binary equivalent of 36.6 is___________ 

  • 011110.110 
  • 011110.111 
  • 011110.010  
  • 11110.11

Ans :- 11110.11

5. The octal equivalent of 111000111 is ___ 

  • 101 
  • 010 
  • 707 
  • 606

Ans:- 707

6. 10011 in octal is ___ 

  • 23 
  • 25 
  • 26 
  • 27

Ans:- 23

7. The octal equivalent of decimal number 17 is _______________? 

  • 21 
  • 16 
  • 15 
  • 14

Ans:- 21

MCQ’S – LESSON 5 Answers (Number System)

1.What is the value of 0+0 in binary addition  =  ____ 

  • both 
  • None

Ans:- 0

2. What is the value of 0+1 in binary addition  =  ____ 

  • both 
  • None

Ans:- 1

3. What is the value of 1+1 in binary addition  =   ———-

  • 01 
  • 11 
  • 10 
  • None

Ans:-  10

4. What is the value of 011+010 in binary addition  =  ____ 

  • 001 
  • 111 
  • 101 
  • 110

Ans:- 101

5. What is the value of 1101.01+110.10 in binary addition  =  ____ 

  • 01100.01 
  • 10011.11 
  • 01100.11 
  • 01100.10

Ans:- 10011.11 

6. The hexadecimal equivalent of 12 is ____ 

  • None

Ans:- C

7. The hexadecimal equivalent of 11111111 is ____ 

  • AF 
  • CF 
  • FF 
  • DF

Ans:- FF

8. What is the value of 9+4 in hexadecimal addition  =  ____ 

  • F

Ans:- F

9. What is the value (100)₁₀ +(110)₁₀ in Decimal addition? 

  • CC  
  • CD 
  • DD 
  • D2

Ans:- D2

10. What is the value(E)₁₆ + (C)₁₆ in hexadecimal addition? 

  • F1 
  • 2A 
  • DD 
  • 1A

Ans:- 1A

11. What is the value (C)₁₆ + (C)₁₆ in hexadecimal addition? 

  • 20 
  • 16 
  • 17 
  • 18

Ans:- 18

12. Microprocessor uses ____ number system. 

  • Hexadecimal 
  • Octal 
  • Binary 
  • Decimal

Ans:- Hexadecimal

13. What is the value (88)₁₀  + (110)₁₀  in Decimal addition?  

  • CC 
  • CD 
  • FF 
  • C6

Ans:- C6

14. What is the value (AA.C)₁₆ + (CC.A)₁₆ in hexadecimal addition?  

  • 170.6 
  • 177.6 
  • 177.5  
  • 176.6

Ans:- 177.6

15. What is 0011+0011 is 

  • 0110 
  • 1100 
  • 1010 
  • 0111

Ans:- 0110

Number System MCQ:- CEC Digital Electronics And Microprocessor Lesson 3,4 and 5

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Number System MCQ:- CEC Digital Electronics And Microprocessor Lesson 3,4 and 5

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