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how future climateenvironment changes can be predicted- information over time is fed into a weatherclimate model- based on changes in weather
how and what data is collected - weather simulation- sensors measure pressure relative humidity temperature and wind speed and wind
determine the simulation factor- weatherillustration of simulation is predicting weather ie a weather forecaster in this case we will consider
illustrate the examples of simulations- training for example pilots drivers etc- runningtesting nuclear plants and chemical plants-
what are the advantages of carrying out simulations- saves cost instead of doing the real thing- safer scenarios tried out on the simulation
how the system would work in real time- sensors innear road gather data these can be infra-redlight sensors pressure sensors induction loops etc
how the simulation is donedata is entered into the computer and simulation is run the below scenarios may be tried out- timing of lights varied
how and what data is gathered- simulationto make this as realistic as possible data is required to be gathered over a long period of time this can be
important points of simulationsin this simulation it is essential to consider1 what and how data is gathered2 how simulation is done3 how
explain about the viruses in detailnote 1 viruses dont just infect computers they may also affect mobile phones mp3 players etc - any device that can
state the hardware faults and softwate faults- protection against hardware faults could be to keep backups or use gfs use of ups in case of power
determine about the security- accidental damageaccidental damage is best guarded against by keeping back up files or use grandfather-father-son gfs
explain the term- virusesuse of firewalls and ant-virus software to prevent viruses entering a computer its also sensible not to open
explain the term- hacking use of passwords and ids to prevent illegal access to files also locking the computer itself or locking
what are the general security issuesmany issues exist when linking a computer system to the internet or indeed to an external link via a network set
drawbacks to having call centres overseas - culture and language problems- animosity to overseas call centres resulting in loss of
advantages to companies adopting call centrescomputer systems have allowed companies to set up call centres in other nations where potential cost
what are the aspects of cadincreased use of computers has led to many of the above affects other aspects to consider include- deskilling of the
how society is affected thorugh internetbuying goods and services for example banking over the internet has both negative and positive aspects on
define the term- encryptionthe user would then type in o p e and card purchase will be authorised this extra protection is used as well as
determine the term- securitywhen using internet security can be enhanced using encryption debit and credit card transactions can also be protected by
illustrate the table of types of serach engines type incieand the search engine would return about 22 million hitstype inciesample papersand the
explain the importance of search enginesthe most effective way of finding information on the internet is to use a search engine though its just as
what are the features common in most of the websitesfollowing general features must be found on most web sites in one form or another this list is by
describe in brief about the internetweb sites need to be set up to maximise information supplied to customers and to ensure they are as