WorksheetsICT 6 - Applications
Total questions: 20
Worksheet time: 10mins
An example of a microprocessor controlled device is
VOIP
Website
an oven
tools
Excel is an example of a modelling application
true
false
Banks use this direct input device to read the information written on cheques
MICR
OMR
OCR
Bar code reader
this sensor detects how far away objects are
proximity sensors
sound sensors
light sensors
infra red sensors
EFT stands for:
electronic funds transfer
email funds transfer
electronic files transfer
ATM stands for:
Automatic teller model
Automatic transfer machine
Automatic teller machine
Which of these are advantages of internet banking: You can pick more than one
People can spend more time doing other things.
Requires you to have a computer and Internet access to use it.
Can be done at anytime.
Which of these are disadvantages of internet banking: You can pick more than one
access to a world wide market.
Security issues like phishing and pharming.
easier to make errors.
Which device is used in EFTPOS?
MICR
OMR
Chip and pin reader
Give two advantages of email
Better for the environment – no waste of paper
Expectations – people may not read their email regularly
Permanent copy – there is a copy which can be used for reference compared to a telephone call
Needs a good broadband connection
Give two disadvantages of VoIP
Spam – you can receive a lot of nuisance emails
Low Initial Investment - To get started, you only need your existing Internet connection, a free VoIP software and a microphone (if not built in) start-up costs are negligible.
VoIP calls over computers or mobile devices may suffer from performance issues in case of poor hardware. A slow computer, for example, can affect your ability to load VoIP software, make calls and multi-task during calls.
Needs a good broadband connection
Give two advantages of Video Conferencing
Reliant on internet speed – connectivity speed may cause break ups in sentences
Reduce costs – no need for expensive travel
Reduced carbon footprint
Permanent copy – there is a copy which can be used for reference compared to a telephone call
Two disadvantages of email are
Can send to multiple recipients at once
Reduced carbon footprint
Expectations – people may not read their email regularly
Spam – you can receive a lot of nuisance emails
Two advantages of VoIP are
Less personal - takes away the face-to-face communication in the one place
Low Initial Investment - To get started, you only need your existing Internet connection, a free VoIP software and a microphone (if not built in) start-up costs are negligible.
Easy to send documents - with VoIP, you can send large documents, videos and pictures to any contact using the included VoIP software.
Needs a good broadband connection
A system which mimics the expertise of a professional is known as
Information System
Computer System
Expert System
Super System
Parts of expert system
Knowledge Base or Rule base
Inference Engine
Database
User interface
Website
The ability for an expert system to make decisions is based on which of the following?
Inference engine
Decision machine
What is a disadvantage of expert systems
Expert systems require too much computing power for most modern computers to output causing the operating system to crash.
Expert systems use a different kernel than standard application software which can cause errors
They cannot automatically adapt to changing environments so the knowledge base has to be changed.
Some Expert systems incorrectly prioritize information based on the primary key causing innacuaracy.
Which of he 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)
