The Exam Hall

Setting out the paper…

Topics covered in this unit

6 topics tagged
  • Numbering Systems13
  • Data Representation (Integers)7
  • Text Encoding Schemes6
  • Binary Arithmetic5
  • Storing Real Values5
  • Storing Images, Audio and Video4

Every question is tagged to one of these topics, so your result shows which part of the chapter to revise.

Before you start

There is no negative marking on this paper, so leave nothing blank.

Same subject mix

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Frequently asked questions

How many MCQs are in Class 9 Computer Science Unit 2: Number Systems?
This test has 40 MCQs and a 40-minute timer. There is no negative marking.
Which topics does Class 9 Computer Science Unit 2 cover?
Numbering Systems, Data Representation (Integers), Text Encoding Schemes, Binary Arithmetic, Storing Real Values and Storing Images, Audio and Video. Each question is tagged to one of these topics, so your result shows which ones to revise.
Which textbook is this Class 9 Computer Science unit based on?
It follows Unit 2, "Number Systems", of the Class 9 Computer Science textbook published by the Punjab Curriculum and Textbook Board (PCTB).
Can I practise the other Class 9 Computer Science units?
Yes. Class 9 Computer Science has 12 unit tests, all listed on the Class 9 Computer Science chapter-wise page, and the full Class 9 set is on the Class 9 page.