ICT Applications & System Life Cycle

Front

Excel is an example of a modelling application

Back

true

Front

internet telephony is also called

Back

voip

Front

this sensor detects how far away objects are

Back

proximity sensors

Front

EFT stands for:

Back

electronic funds transfer

Front

ATM stands for:

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Automatic teller machine

Front

Which device is used in EFTPOS? Options: MICR, OMR, Chip and pin reader

Back

Chip and pin reader

Front

A system which mimics the expertise of a professional is known as

Back

Expert System

Front

The ability for an expert system to make decisions is based on which of the following? Inference engine, Decision machine

Back

Inference engine

Front

What is a disadvantage of expert systems?

Back

They cannot automatically adapt to changing environments so the knowledge base has to be changed.

Front

Which of the following is NOT true about Direct data entry devices? they are specifically designed to automate or speed up the entry of data in to the system by minimising human data entry, Used to minimise human data entry because humans make mistakes, DDE devices are faster and more accurate than human entry methods, each device can be used for a number of different purposes , Direct Data Entry devices consist of either specialist hardware, software ( or both)

Back

each device can be used for a number of different purposes