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. 


Convert 0.125 to base two (NECO 2018)

A. 0.12      B. 0.012      C. 0.0012      D. 0.00012

2. 


Convert 10101.1012 to a decimal fraction.

A. 69\frac{5}{8}       B. 69\frac{3}{8}       C. 21\frac{5}{8}       D. 21\frac{3}{8}

3. 


Express 34.52eight as a denary

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

4. 


Convert 76538 to base 10.

A. 11101516      B. 15101116      C. FBA16      D. FAB16

5. 


Convert 478 to its binary equivalent (WASSCE 2015)

A. 1001112      B. 1100112      C. 100012      D. 11110112

 

 

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