Logic Systems N4 August 2021 Question Paper and Memo

Download the August 2021 PDFs

1. PDF

   N4 Logic Systems August 2021 Question Paper

   Download the ems n4 aug 2021 question paper PDF. A real August exam paper to practise with before your own tests.

   Question PaperAugust exam

   PDF
2. PDF

   N4 Logic Systems August 2021 Memo

   Official memorandum (marking guideline) for N4 Logic Systems Aug 2021. Free PDF download to check your work after writing the paper.

   MemoAugust exam

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What is in this paper

5 questions, 100 marks in total. Marks per question are taken from the paper itself.

1. Q1 1.1 Give the symbols of the hexadecimal number system. 20 marks
2. Q2 2.1 Convert each of the following numbers to their BINARY equivalents and then 25 marks
3. Q3 3.1 Draw the circuit diagram of the following Boolean expressions. DO NOT change 25 marks
4. Q4 With the aid of Karnaugh maps and the table below, design a circuit that will convert the 20 marks
5. Q5 Make a neat, labelled sketch of a monostable multivibrator using NPN transistors. [10] 10 marks

Instructions to candidates

1. Answer all the questions.
2. Read all the questions carefully.
3. Number the answers according to the numbering system used in this
4. Start each question on a new page.
5. All the sketches and diagrams must be large, clear and neat.
6. Keep questions and subsections of questions together.
7. Questions must be answered in blue or black ink and all drawings must be done with a pencil.
8. All calculations must be shown.
9. Calculations and calculated answers must be given in THREE fractional radix spaces, for example 10,101 . 2 10. Write neatly and legibly. (8080284) -3-

More Logic Systems N4 papers

Same exam, other years

• Logic Systems N4 August 2019
• Logic Systems N4 August 2018

Other 2021 papers

• Logic Systems N4 April 2021

All Logic Systems N4 past papers and memos

Questions about this paper