Number System MCQ :- CEC Digital Electronics And Microprocessor Lesson 3,4 and 5
MCQ’S – LESSON 3 Answers (Number System)
1.How many digits or numbers are present in octal number system?
- 5
- 7
- 8
- 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
- 2
- 3
- 4
- 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 ____
- 8
- 16
- 2
- 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.
- 4
- 3
- 2
- 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 = ____
- 1
- 0
- both
- None
Ans:- 0
2. What is the value of 0+1 in binary addition = ____
- 1
- 0
- 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 ____
- B
- C
- A
- 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 = ____
- D
- C
- E
- 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
Number System MCQ:- CEC Digital Electronics And Microprocessor Lesson 3,4 and 5
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