Introduction To Computers Supplementary NCV Level 2 — Document P1

March 2018 — NCV Level 2 — Introduction To Computers Supplementary

NCV Level 2 2018 NCV IT

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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

1.1.10\in the ANSWER BOOK.

1.1.1fixed function IC package containing four AND gates is an example of

1.1.2The output of an AND gate is HIGH when any input is HIGH all input is

1.1.3The device used to convert a binary number of a 7 segment display format is the

1.1.4An inverter performs the NOT operation changes a HIGH to a LOW

1.1.5An example of data storage device is the logic gate

1.1Output devices allow the computer to communicate with human users using items suc h as

1.1Hybrid computer accept analogue signals, convert them to digital symbols and process them into

1.1The technique of systematically identifying, isolating and correcting a fault in a system Programming logic

1.1The OSI layer is divided into seven layer hich ONE is NOT

1.110 When data is permanently removed from computer storage and is NOT recoverable , it is called

1.2Study th e Boolean symbol below and answer the questions

1.2.1Write the Boolean expression for the 3 input OR gate. (3\

1.2.2Draw a truth table for

Q1— Section header —

Q2— Section header —

2.1What does the term computer literacy mean? (1\

2.2The printer is the most popular output peripheral that produces paper copies Name TWO types of printers. (2\

2.3Name TWO categories of software. (2\

2.4Give TWO examples of the

Q2— Section header —

Q3— Section header —

3.1You want to access indows xplorer on your computer Explain

3.2Briefly explain the impact that each of the following may have on a computer:

3.2.1Compression

3.2.2

3.3List any FIVE files that disk cl ean up searches for on the hard drive to free up disk space. (5\

3.4State FIVE commonly printe related problems (5\

3.5Explain what is the meant by the term firmware. (2\ [17]17

Q4— Section header —

4.1Give TWO examples of computer anti viru s software.

4.2Name TWO common types of computer viruses.

4.3mail netiquette is the way to behave on electronic chat rooms and instant messaging. Give FIVE e mail netiquette guidelines to considerer when chatting online. (5\

4.4.1Microsoft Excel

4.4.2Microsoft PowerPoint

4.4.3

Q5— Section header —

5.1Explain what is the meant by the term website. (1\

5.2List FOUR components of a URL and give an example of URL.

5.3Draw a simple diagram to explain the relationship between web pages, websites and web servers.

5.4Explain what a modem is.

5.5Write out the following acrony s:

5.5.1DSL

5.5.215

Mark Allocation

Total64 marks

Sections36 + 17 + 17 + 15 = 85 marks

Paper information

TitleDocument

SubjectIntroduction To Computers Supplementary

LevelNCV Level 2

Document typeQuestion paper

Year2018

MonthMarch

Pages7

Downloads3

Examination context

Decade2010s

Years ago8y

SeasonAutumn (SH)

Start dayThursday

Exam periodMarch 2018

Days since exam3,145

About Introduction To Computers Supplementary 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

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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

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working under time constraints

checking answers

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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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