IGCSE Computer Science Paper-1: Specimen Questions with Answers 83 - 85 of 164

Question number: 83

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Essay Question▾

Describe in Detail

What are the uses of the following flowchart symbols shown below?

Explanation

flowchart symbols Choice A

Flowchart Symbols Choice A

flowchart symbols Choice B

Flowchart Symbols Choice B

flowchart symbols Choice C

Flowchart Symbols Choice C

flowchart symbols Choice D

Flowchart Symbols Choice D

i) The oval shaped symbol is used to represent a start or end point.

ii) The rectangular symbol is used to represent a process.

iii) The diamond shaped symbol is used to indicate a decision.

iv) The parallelogram symbol is used to represent input/output.

Question number: 84

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Short Answer Question▾

Write in Short

List two advantages and disadvantages of LANs.

Explanation

The Local area network has following advantages and disadvantages.

Using LAN users can share messages and data with one another.

LANs also facilitates communication in a localized area such as an office or home.

The initial setup or installation costs of LAN is high.

LAN covers only limited area and often involves data security threat.

Question number: 85

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Short Answer Question▾

Write in Short

What is Computer Aided Design (CAD) and also mention three of its applications?

Explanation

To create precision drawings Computer Aided Design software is being used by architects, engineers, drafters, artists by making use of the computer workstations.

CAD can be successfully used for purchasing, manufacturing and several other activities like to design curves and figures in two-dimensional (2D) space; or curves, surfaces, and solids in three-dimensional (3D) space.

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