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.
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.
