Digital Electronics N5 — Memo

November 2022 — N5 — Digital Electronics

N5 2022 Nated Engineering

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Q1— Section header —

1.1010

Q2— Section header —

2.16F,3 = 0 1 1 0 1 1 1 1, 0 0 1 1 34,2 = 1 1 1 0 0, 0 1 16,75 = 1 0 0 0 0, 1 1 Answer: 1 0 1 1 0 0, 1 0 0 2C, 8

Q3— Section header —

3.1F = Both the OR signs must be included for the answer to be marked (3\

3.2for posting correctly for grouping correctly F = CACBDCDCBA for posting correctly for grouping correctly F = CACBDCDCBA All three the OR signs must be included for the answer to be marked

3.3F (A,B,C\

Q4— Section header —

4.1.1(5\

4.1.2Slow switching speed (1\

4.1.3

4.2.1Noise immunity is the maximum noise voltage a TTL device can withstand without a false change in the output. the tolerable output and input ranges of the gate It is the voltage swing between the two binary conditions

4.2.3OH MIN IH MIN = 2,4 2,0 = 0,4 = 0,4

Q5— Section header —

5.55

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Mark Allocation

Sections10 + 19 + 17 + 15 + 5 + 13 + 7 + 4 + 10 = 100 marks

Paper information

TitleMemo

SubjectDigital Electronics

LevelN5

Document typeNated Engineering

Year2022

MonthNovember

Pages6

Downloads2

Examination context

Decade2020s

Years ago4y

SeasonSpring (SH)

Start dayTuesday

Exam periodNovember 2022

Days since exam1,440

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.

File details

File size345.5 KB

Pages6

Archived on8 September 2026

File age46d

ContributorFreeMode

FingerprintCD5E8D9B994D

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