Decimal Number System and Other Numbering Systems

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Arithmetic Learning Material
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Questions
1.7Decimal Number System and Other Numbering Systems

Decimal Number System and Other Numbering Systems Revision Questions

1. Which of the following numbers is the regular form of 5 × 107 + 3 × 104 + 9 × 101?

  1. 539
  2. 5,003,009
  3. 50,003,009
  4. 50,030,090

Correct Answer: D

2. The number 40,500 when written in decomposed form becomes...

  1. 4 × 105 + 5 × 103
  2. 4 × 104 + 5 × 102
  3. 405 + 503
  4. 40 × 103 + 5 × 102

Correct Answer: B

3. The binary number 11010 corresponds to ................... in the decimal system

  1. 26
  2. 28
  3. 50
  4. 52

Correct Answer: A

4. The number 89 when written in the binary system becomes

  1. 1010100
  2. 1011100
  3. 1011001
  4. 1101011

Correct Answer: C

5. What is the result of the binary operation 11011 + 110?

  1. 100001
  2. 10010
  3. 11111
  4. 101101

Correct Answer: A

6. What number in the decimal system does the result of binary operation 11101 - 1100 correspond?

  1. 16
  2. 17
  3. 18
  4. 19

Correct Answer: B

7. What is the binary result of the operation 10011 × 111?

  1. 133
  2. 10000101
  3. 1000101
  4. 1011011

Correct Answer: B

8. What is the binary result of the operation 11000 ÷ 11?

  1. 1000
  2. 1111
  3. 101
  4. 111

Correct Answer: A

9. Which of the numbers is the greatest?

  1. (AB)16
  2. (171)10
  3. (10101011)2
  4. (100)16

Correct Answer: D

10. Which of the binary equalities below is true?

  1. 111 × 11 = 10010 + 100
  2. 1011 + 1001 = 101 × 100
  3. 11110 ÷ 110 = 1101 - 101
  4. 111 - 11 = 1011 ÷ 111

Correct Answer: B

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