Digital Electronics N6 — Document

August 2018 — N6 — Digital Electronics

N6 2018 Nated Engineering

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🎯 100 marks ⏱️ 3h 📄 7 pages 📝 20 items found 📚 2 topics 🔑 1 key info

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Q1— Section header —

1.1Draw a full y label ed block diagram to describe the digital process control system that would be used to accomplish the above task. Include

1.2umeric control is a nother type of computer control. Draw a fully label ed diagram of a computer numeric control (CNC\system that would be used in a p rofile

Q2— Section header —

Q3— Section header —

3.1Draw a fully label ed block diagram of a control unit integrated with a random access memo ry (RAM\and is driven by a six bit ring counter. ALL the gates

3.2Use the following table to show what happens after each pulse from the micro

Q3— Section header —

Q4— Section header —

4.1Consider the following BASIC program. Follow the instruction in the remark statement and do EXACTLY what it says. The a nswer in the ANSWER BOOK must be EXACTLY what the on screen print out would be. 10

4.2Before any program is written by a programmer, a systems analys t must first make a feasibility study to ascertain if a system is worth automating or not. State any SIX criteria that a system analyst should

4.3Give ONE everyday example where real time processing w ould be necessary. (1\

4.4The following is a schematic drawing of a stack with its contents. If the number 2F0 16 is pushed onto the stack. Redraw the stack and the stack pointer to show what the contents would look like now. Stack Pointer

Q5— Section header —

5.1The followi ng word is received in Hamming code: 0110011010 hamming ind the fault in the word y showing ALL the steps involved . C

5.2Write the following floating point number in decimal, showing all the steps 010 0 00110000 (3\

5.3Rewrite the fol lowing binary coded decimal (8.4.2.1\the 2.4.2.1 code: 1000 1001 0000

8.4.2.1 (3\

5.4Rewrite the following Gray c ode number in binary: 1101011 gray (2\

5.5Using the variables D, E and F, write down the general rule for the associative law n Boolean a lgebra. (2\ [20] TOTAL: 10020

Topics Identified

Business FunctionsBusiness Plan

Mark Allocation

Total100 marks

Sections20 + 20 + 20 + 20 + 20 = 100 marks

Key Information

Contact Number0110011010

Paper information

TitleDocument

SubjectDigital Electronics

LevelN6

Document typeQuestion paper

Year2018

MonthAugust

Pages7

Downloads4

Examination context

Decade2010s

Years ago8y

SeasonWinter (SH)

Start dayWednesday

Exam periodAugust 2018

Days since exam2,993

About Digital Electronics examination preparation

This TVET examination resource can be used as part of a structured revision programme. Past papers are most useful when learners attempt questions independently, work within a realistic time limit, and review their answers afterwards.

How to use this resource for revision

A TVET past examination paper is most useful when it is treated as an active revision exercise. Try the questions yourself before checking the corresponding memorandum. Where you make an error, identify the reason — was it a knowledge gap, a calculation mistake, an interpretation issue, or an examination technique problem?

For stronger examination practice, complete the paper without unnecessary interruptions and keep track of the questions that take the most time. Afterwards, review the memorandum and separate knowledge gaps from mistakes caused by interpretation, calculation, structure, or examination technique.

understanding question requirements

applying subject knowledge

working under time constraints

checking answers

identifying revision priorities

A practical revision approach

Start by completing the resource without looking at the memorandum. Review incorrect and incomplete answers afterwards and make a short revision list based on the areas that caused difficulty.

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File size132.6 KB

Pages7

Archived on8 September 2026

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