Computer Studies Practice Tests – Concepts of Number System (Questions with Answers and Explanations)

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Computer Studies Practice Tests – Concepts of Number System (Questions with Answers and Explanations)

Hello and Welcome to Computer Studies Practice Tests - Concept of Numbering System in Computing

  1. You are to attempt 5 random objectives questions ONLY.
  2. Supply Your Full Name and Location in the text box below and begin immediately.
  3. You can attempt as many times as possible
1. 


Which of the following hexadecimal alphabets stands for twelve (11)?

A. B       B. C       C. D       D. E

2. 


Convert \frac{5}{8} to a number in base two.

A. 0.0112      B. 0.1012      C. 0.1102      D. 0.0012

3. 


Express 4C6E16 in base ten 

A. 19556      B. 19566      C. 19565      D. 18566

4. 


Express 34.52eight as a denary

A. 24     B 4     C. 28\frac{21}{32}     D. 5\frac{21}{64}

5. 


Convert 110112 to base 10. (NECO 2014)

A. 17      B. 27      C. 31      D. 37

 

 

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