CEC Digital Electronics & Microprocessor Lesson 1, 2 MCQ Answers (Number System)

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Number System MCQ :- CEC Digital Electronics And Microprocessor Lesson 1 and 2

MCQ’S – LESSON 1 Answers (Number System)

Q1.________number system is used by the computers. 

  • Decimal 
  • Binary 
  • Hexadecimal   
  • Octal

Ans :- Binary

Q2. (101.001)2 : Dot Represents

  • Decimal Point 
  • Octal Point 
  • Binary Point 
  • Decimal Part

Ans :- Decimal Point

Q3. What is the base or radix of binary number system? 

  • 2 
  • 10 
  • 16  
  • 8

Ans :- 2

Q4. What is MSB of 7896?

  • 9 
  • 7 
  • 6 
  • 8

Ans:- 7

Q5. Convert (1011)2 into decimal number

  • 10 
  • 12 
  • 11 
  • 16

Ans :- 11

Q6. Decimal equivalent of 110.11 is 

  • 6.75 
  • 6.50 
  • 7.75 
  • 7.50

Ans :- 6.75

Q7. Decimal  number stored  into a computer  in the form of 

  • Binary 
  • Hexadecimal  
  • Octal   
  • Any Form

Ans :- Binary

Q8. For the conversion of decimal number into binary number repeatedly divide the number by  

  • 8 
  • 4
  • 6 
  • 2

Ans :- 2

Q9. Convert the 180 decimal number to 8 bit binary number 180. 

  • 10110100 
  • 11000011 
  • 10100011 
  • 10001110

Ans :- 10110100

Q10. Convert the   binary number  1100111 into decimal number 

  • 130 
  • 600 
  • 103 
  • 140

Ans :- 103

Q11. Convert   the decimal number 22 into binary number 

11110 

00110 

10110 

00011

Ans :- 10110

Q12. Convert the decimal number 101 into binary number 

  • 1100101 
  • 0010011 
  • 1110001  
  • 101011

Ans :- 1100101

Q13. Which is typically the longest: Bit, Byte, Nibble, Word? 

  • Bit 
  • Byte 
  • Nibble 
  • Word

Ans :- Word

Q14. Binary equivalent of 0.666 is 

  • 0.0011     
  • 0.1101  
  • 0.1010   
  • 0.1110

Ans :- 0.1010

Q15. How many digits are required to represent  in binary number system? 

  • 7 
  • 8 
  • 4 
  • 2

Ans :- 2

MCQ’S – LESSON 2 Answers (Number System)

Q1. Convert B6  into its decimal equivalent. 

  • 118   
  • 182  
  • 60   
  • 173 

Ans :- 182

Q2. one hex  digit is sometimes referred to as  

  • Byte  
  • Nibble   
  • Bit   
  • Word

Ans :- Nibble

Q3. Hexa is often used in digital applications as a shorthand way to represent strings of bits 

  • True 
  • False

Ans :- True

Q4. The hexa decimal equivalent of a decimal number would produce a smaller number than the original decimal number in case of fraction. 

  • True 
  • False

Ans :- true

Q5. Hexa decimal letters A through F are used for decimal equivalent value from 

  • 1 through 6   
  • 9 through 14 
  • 10 through  15
  • 7 through 12

Ans :– 10 through  15

Q6. The ——————– number system has base of 16 

  • Octal 
  • Hexadecimal 
  • Decimal 
  • Binary

Ans :- Hexadecimal

Q7. Convert (136)H into its binary equivalent 

  • 000100110110 
  • 000100010110 
  • 001000110110 
  • 100100110110

Ans :- 000100110110

Q8. What is the hexadecimal equivalent of (32.625)10 

  • 33.B 
  • 22.C 
  • 20.A 
  • 10.D

Ans :- 20 A

Number System MCQ :- CEC Digital Electronics And Microprocessor Lesson 1 and 2

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Number System MCQ :- CEC Digital Electronics And Microprocessor Lesson 1 and 2

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