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

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Question 1

Appeared in Year: 2009

Describe in Detail Essay▾

A floor turtle can use the following instructions:

Table of the Instruction and Meaning
Instruction	Meaning
PENUP	Lift the pen
PENDOWN	Lower the pen
LEFT t	Turn left t degrees
RIGHT t	Turn right t degrees
FORWARD n	Move n mm forward
BACKWARD n	Move 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

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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