Computer Principles N4 — Document

April 2018 — N4 — Computer Principles

N4 2018 Nated Business

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🎯 100 marks ⏱️ 3h 📄 6 pages 📝 42 items found

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Questions — A Preview of What to Expect in the Document

This section provides a quick preview of questions from the document. It may not display every question or the complete wording of each one. For the full content, including diagrams, tables and other information, view the original PDF above.

Q1— Section header —

1.1Various options are given as possible answers to the following questions. Choose the answer and write only the letter (A D\ next to the question number (1.1.1

1.1.6\n the ANSWER BOOK.

1.1.1Th main memory type of a computer

1.1.2users connected at one time. mainframe laptop personal digital assistant smart

1.1.3input output mapping portable

1.1.4light pen cathode ray tube

1.1.5Printers are clas sified into the following categories Hard copy and soft

1.1.6expansion card mo therboard CPU RAM

1.2State TWO advantages of an algorithm as a programming aid. (2\

1.3Name any TWO units that indicate the data storage capacity of a computer. (2\ [10]10

Q2— Section header —

2.1What does the acronym ASCII stand for (2\

2.2Name the FIVE main physical building blocks of a computer ystem. (5\

2.3Define computer hardware (2\

2.4State the function of an output device and give TWO examples of such a device. (4\

Q3— Section header —

3.1Differen tiate between computer peripheral devices and computer software (4\

3.2Name FOUR types of volatile computer memories found in industry. (4\

3.3Name TWO advantages of non volatile computer memories. (2\ [10]10

Q4— Section header —

4.1Control

4.2Buffer

4.3Status

4.4Conversion

4.5Housekeeping

4.6Program interrupt (6 2\ [12] 604003412

Q5— Section header —

5.1Computer staff (5\

5.2Computer room layout (5\

5.3Humidity (5\ [15]15

Q6— Section header —

6.1Standard flow chart symbols are used by the computer programmer in the initial phase of programming development. Name each of the following flowchart symbols:

6.1.6(6 1\ (6

6.2State FIVE advantages of a programming aid like flowcharts. (5\ [11] 604003411

Q7— Section header —

7.1What is the purpose of error subroutines as applicable to computer software? (4\

7.2State FIVE advantages of modular program structures. (10\ [14]14

Q8— Section header —

8.1Determine the difference of and plus (3\

8.2Print the words 'Computer Principles N4' on the screen (2\

8.3Complete the following BASIC statements: (2\ (1\ (1\ (1\ .4 Study the following BASIC program. Make corrections where applicable if the rules for nested loops were not followed:

Mark Allocation

Total100 marks

Sections10 + 13 + 10 + 12 + 15 + 11 + 14 + 15 = 100 marks

Paper information

TitleDocument

SubjectComputer Principles

LevelN4

Document typeQuestion paper

Year2018

MonthApril

Pages6

Downloads5

Examination context

Decade2010s

Years ago8y

SeasonAutumn (SH)

Start daySunday

Exam periodApril 2018

Days since exam3,116

About Computer Principles 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 size321.8 KB

Pages6

Archived on8 September 2026

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