IGCSE Computer Science Paper-1: Specimen Questions with Answers 73 - 75 of 164

Question 73

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List the areas where Data Structures can be applied.

Explanation

A Data Structure can be defined as the format for organizing, processing, retrieving and storing data.

Some of the areas where Data Structure can be used are:

i) Numerical Analysis

ii) Operating System

iii) Database Management

iv) Graphics and Statistical analysis

Question 74

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What is the meaning of SCSI?

Explanation

SCSI stands for Small Computer System Interface and this set of parallel interface standards developed by the American National Standards Institute (ANSI).

Image of The SCSI stands for Small Computer System

Image of the SCSI Stands for Small Computer System

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i) It is a set of standards for physically connecting and transferring data.

ii) This set is used for attaching printers, disk drives, scanners and other peripherals to computers.

iii) SCSI is used for increasing performance and delivering faster data transfer transmission.

Question 75

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Explain the computer terms expert system, top down design, interrupt.

Explanation

An expert system is a computer programme that makes use of the Artificial Intelligence that does exactly the same way as the judgement and behavior in case of humans. For eg an expert system can be used to diagnose human illness, financial forecasts etc.

A top down design is defined as the stepwise design where the main system is broken down into sub-systems that makes it up. In simple words top down design can be defined as the one in which the complex module is divided into submodules.

An interrupt may be defined as the signal that prompts the operating system to abort one process and start the next process. Interrupts can be related to user events like opening windows or using program controls.

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