IGCSE Computer Science Paper-1: Specimen Questions with Answers 102 - 103 of 164

Question 102

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Name one programming language that is exclusively used for artificial intelligence.

Explanation

Prolog is a programming language that is exclusively used for artificial intelligence.

  • In Prolog the logic is expressed in terms of relations.
  • The Relations and Queries are constructed using Prolog՚s single data type.
  • The terms are either atoms, numbers, variables or compound terms.

An example program written in Prolog. Prolog can be used by entering queries at the Prolog prompt . In case of no solution Prolog writes no.

Question 103

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Explain any three Computer based Access technologies for Blind Students.

Explanation

There are many technologies or products that can help Blind pupils or students in learning:

  • Braille Embosser: It is also known as Braille printer and is a is a piece of very specialized computer hardware. The embosser allows Braille files that have been created on the PC to be produced in hard copy for your child to read.
  • Mega Dots: It is a programme that operates in a DOS window on a PC particularly popular among transcribers who are intimately familiar with the Braille code and the rules of Braille formatting.
  • Notetaker: It is also known as Braille notetakers. It allows people knowledgeable in Braille to create documents, read text, keep addresses and appointments, and accesses a list of special utilities. Also most Notetakers are capable of performing tasks which blur the line between portable PDA and note-book computer.

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