IGCSE Information & Communication Technology Paper-1: Specimen Questions with Answers 1 - 2 of 46

Question 1

Appeared in Year: 2009

Describe in Detail

Essay▾

A floor turtle can use the following instructions:

Table of the Instruction and Meaning
InstructionMeaning
PENUPLift the pen
PENDOWNLower the pen
LEFT tTurn left t degrees
RIGHT tTurn right t degrees
FORWARD nMove n mm forward
BACKWARD nMove n mm backward
The Shape

Write the set of instructions to draw this shape?

Explanation

  • Pendown
  • Left 90
  • Forward 20
  • Right 90
  • Forward 60
  • Right 90
  • Forward 30
  • Penup
  • Forward 40
  • Pendown
  • Forward 40
  • Right 90
  • Forward 60
  • Right 90
  • Forward 20
  • Penup
  • Forward 5
  • Pendown
  • Forward 25
  • Left 90

Question 2

Edit

Appeared in Year: 2009

Write in Short

Short Answer▾

What are the applications of expert system?

Explanation

Some popular application where expert systems are used:

  • Warehouse optimization
  • Planning and scheduling
  • Process monitoring and control
  • Information management
  • Airline scheduling & cargo schedules
  • Hospitals and medical facilities
  • Help desks management
  • Employee performance evaluation
  • Financial decision making Knowledge publishing
  • Virus detection
  • Supervise the operation of the plant and controller
  • Loan analysis
  • Useful for repair and maintenance projects
  • The configuration of manufactured objects
  • Stock market trading

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