Introduction to

Binary Number System
Descriptions of binary number system:
• Uses two digits, 0 and 1; and
• It is also called Base 2.
Example:
the binary equivalent of 2 is (10)2. Just divide 2 by 2 and take the remainders from 
right to left.

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Unit 0: Pre-Assessment
19
Assessment: Basic Terms and Binary Number System
This preliminary assessment tests the learner’s familiarity of basic topics which are essential for 
mastering the module contents. Attempt the questions and later compare your answer with the 
answer given, and for the questions where you answered incorrectly refer to relevant materials 
to make further readings so as to be able understand the notions discussed in the unit properly
Assessment
1. 
What does digital technology mean?
2. 
Give an example of the most critical ICT tool of our time that has become 
a transformational agent in the day-to-day life of people? 
3. 
Which one of the following statement is correct about ICT?
• It is a term used to describe methods of information communications 
exclusively 
• It is a term used to describe methods of information communications along 
with techniques for storing and processing information.
• It is a term used to describe techniques of storing and processing information.
• It is a vague term difficult to describe.
4. 
Mention two examples of the application areas of ICT.
5. 
Find out the binary equivalent of 866?
6. 
Describe the differences and commonalities between ICT and Information 
Technology.
7. 
Explain the term Internet?
Grading scheme
• The questions are meant to assess learners background with respect to 
binary number system and some key terms related to the subject matter. The 
assessment questions weight needs not to exceed 7% and learners who carried 
out the learning activities successfully and answered the assessment questions 
correctly can earn 7 points or marks.

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