IGCSE Computer Science Paper-1: Specimen Questions with Answers 150 - 152 of 164

Question number: 150

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What do you mean by Coupling and Cohesion?

Explanation

Coupling is defined as the relationships between modules.

i) It shows the relative independence among the modules.

ii) It is a degree to which a component or module is connected to other modules.

Cohesion is defined as the indication of the relationship within module.

i) It shows the module’s relative functional strength.

ii) It is a degree to which a component/module focusses on the single thing.

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Image of the Coupling and Cohesion

Question number: 151

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List some important applications of Python.

Explanation

Python being a general purpose language can be used for different applications:

i) Web applications

ii) Software development application

iii) Network Programming, Games and 3D Applications

iv Artificial Intelligence and Scientific Computing

v) Face Detection and Colour Detection

Question number: 152

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Give one feature of each type of Network LAN and WAN.

Explanation

The LAN or the Local Area Network confined to a single room, building or group of buildings. They can be connected to other Local Area Networks via telephone lines and radio waves over any distance.

WAN: The WAN or the Wide Area Network is used to connect computers over a wide geographical area. For eg they can be used to used to connect cities, states, or even countries.

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