This page has every Logic Systems N4 April paper we have, from 2013 to 2021: 7 question papers and 5 memos in 15 PDFs. Files are in Afrikaans. The newest year is first. Each paper shows the first page of questions, its marks and time, and what the questions cover.
Logic Systems N4 April papers by year
Logic Systems N4 April 2021 question papers and memos
April 2021
EMS N4 April 2021 question paper
100 marks · 3 hours · 5 pages · 5 questions
What is in this paper (5 questions)
Q1
1.1 State the purpose of Gray code. (1) 20 marks
Q2
2.1 Convert each of the following numbers to its binary equivalents and complete 25 marks
Q3
3.1 Draw the circuit diagram of each of the following Boolean expressions. Do not 25 marks
Q4
Use S-R flip-flops to design a synchronous counter with outputs A, B and C to count 20 marks
Q5
The basic transistor circuit for an astable multivibrator produces a square wave output 10 marks
Instructions to candidates Answer all the questions. Read all the questions carefully. Number the answers according to the numbering system used in this question paper. Start each question on a new page. Keep questions and subsections of questions together. All sketches and diagrams must be large, clear and neat. Show all calculations. Give calculations and calculated answers with THREE fractional radix spaces, for example 10,101 . 2 Answer questions with a black or blue pen and make all drawings in pencil. Write neatly and legibly. (8080284) -3-
Logic Systems N4 April 2020 question papers and memos
April 2020
EMS N4 April 2020 question paper
100 marks · 3 hours · 5 pages · 5 questions
What is in this paper (5 questions)
Q1
1.1 Write down the symbols of the octal number system. (1) 20 marks
Q2
2.1 Convert each of th enumbers below to their BINARY equivalent and then 25 marks
Q3
3.1 Draw the circuit diagram of the Boolean expression below. Do not change or 25 marks
Q4
Use J-K flip-flops and design a synchronous counter with outputs A, B, C and D t o 20 marks
Q5
Make a neat, labelled sketch of a D-type master/slave flip-flop which consists of NAND 10 marks
Instructions to candidates Answer all the questions. Read all the questions carefully. Number the answers according to the numbering system used in this question paper. Keep questions and subsections of questions together. All drawings must be done ipencn il ands ketches and diagrams must be large, clear and neat. Show all calculations. Calculations andans wers must be given in THREE fractional radix spaces, for example 10,101 2 Work neatly. (8080284) -3-
Logic Systems N4 April 2019 question papers and memos
April 2019
EMS N4 April 2019 question paper
100 marks · 3 hours · 5 pages · 5 questions
The memo for this paper is not available yet.
What is in this paper (5 questions)
Q1
1.1 Gee die simbole van die oktaalstelsel. (1) 20 marks
Q2
2.1 Sit elk van die volgende getalle om in hul BINÊRE ekwivalente en voltooi dan 25 marks
Q3
3.1 Teken die kringdiagram van elk van die volgende Boole-uitdrukkings. 25 marks
Q4
Ontwerp met behulp van Karnaugh-kaarte 'n stroombaan wat die Gray-kode met vier 20 marks
Q5
Maak 'n netjiese, benoemde skets van 'n D-tipe meester/slaafwipkring wat alleen uit 10 marks
Instructions to candidates Answer ALL the questions. Read ALL the questions carefully. Number the answers according to the numbering system used in this question paper. ALL the sketches and diagrams must be large, clear and neat. Start each question on a NEW page. Keep questions and subsections of questions together. Questions must be answered in BLUE or BLACK ink and all drawings should be done in PENCIL. ALL calculations must be shown. Calculations and calculated answers must be given in THREE fractional radix spaces, for example10,101 . 2 Write neatly and legibly. (8080284) -3-
Logic Systems N4 April 2018 question papers and memos
April 2018
EMS N4 April 2018 question paper
100 marks · 3 hours · 5 pages · 5 questions
What is in this paper (5 questions)
Q1
1.1 Dui aan of die volgende stellings WAAR of ONWAAR is. Kies die antwoord en 20 marks
Q2
2.1 Sit elkeen van die volgende getalle in hul binêre ekwivalente om en voltooi 30 marks
Q3
3.1 Skets die baandiagram van die gegewe Boole-uitdrukking. Moet NIE die 20 marks
Q4
Jou maatskappy kom voor die uitdaging te staan om 'n sein te versend wat met die 20 marks
Q5
Maak 'n netjiese skets van 'n opstel–terugstel-, meester–slaaf-wipbaan ('flip-flop') wat 10 marks
Instructions to candidates Answer ALL the questions. Read ALL the questions carefully. Number the answers according to the numbering system used in this question paper. Start each question on a new page. ALL sketches and diagrams must be large, clear and neat. Keep questions and subsections of questions together. Questions must be answered in blue or black ink and ALL drawings must be done with a pencil. Show ALL calculations. Write neatly and legibly. (8080284) -3- T940(E)(A9)T
Logic Systems N4 April 2016 question papers and memos
April 2016
EMS N4 April 2016 question paper
100 marks · 3 hours · 5 pages · 5 questions
What is in this paper (5 questions)
Q1
1.1 Name the function of the hard disk drive in your home computer. (1) 22 marks
Q2
2.1 Do the following calculations in the binary system. Show ALL conversions and 24 marks
Q3
3.1 Circuit diagrams are needed by engineers doing repairs on circuit boards. 25 marks
Q4
Design a code converter for the Telkom satellite link connection to Asia which will 20 marks
Q5
Make a neat labelled sketch of a J-K masterslave flip-flop which consists of only NAND 9 marks
Instructions to candidates Answer ALL the questions. Read ALL the questions carefully. Number the answers according to the numbering system used in this question paper. Keep ALL the subsections of questions together. Rough calculations may be done at the back of the ANSWER BOOK. Write neatly and legibly. (8080284) -3- T800(E)(A8)T
Logic Systems N4 April 2014 question papers and memos
April 2014
EMS N4 April 2014 question paper
The memo for this paper is not available yet.
Logic Systems N4 April 2013 question papers and memos
April 2013
EMS N4 April 2013 question paper
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Questions about these papers
Which years of EMS N4 April papers are on this page? Papers from 2021, 2020, 2019, 2018, 2016, 2014, 2013. The newest year is at the top.
How many marks is the EMS N4 April paper? The paper is usually out of 100 marks and you get 3 hours to write it.
Are the memos included? Yes. 5 of the 7 papers on this page have their marking memo next to the question paper.
