IGCSE Computer Science Paper-1: Specimen Questions with Answers 36 - 37 of 164

Question 36


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Short Answer▾

Give one advantage of a star network when compared to a ring network.


In star network, new nodes can be added easily without affecting rest of the network whereas in case of ring network addition of new nodes may affect the ring topology as the there is a loop configuration.

Give two desirable properties you would look for in the laptop processors.

Answer: i) The processor should support battery life usually ranging from 7 to 12 hours.

ii) Intel or AMD based processors are usually recommended being durable in nature.

Question 37


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Short Answer▾

List some of the important advantages and disadvantages of a Dot Matrix Printer?


A Dot Matrix Printer is one of the best examples of computer printer that prints by direct impact of an ink-soaked cloth ribbon against the paper.


i) Dot Matrix Printers are cheap and easily available in the market.

ii) The maintenance cost is low as compared to other printers.

iii) These Printers can also make carbon copies of the print out unlike non-impact printers.


i) The obtained resolution of the image is not high.

ii) These printers create a lot of noise.

iii) The density of barcode is generally low and therefore it may not match the perfect user’s standards.

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