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define the term- analysisthe analysis involves some or all of the following stages fact finding - this is usually done in four ways understanding the
explain the feasibility studythis includes writing a report to convince management of the merits of adopting proposed new system some features of the
describe the term- systems analysisa systems analysis team is every so often brought in to improve on an existing system often this involves moving
how can we convert a graph into a tree do we have any standardized algorithm for doing
automatic stock control system in a supermarket- bar codes are associated to all goodsitems sold by the supermarket as a means of
differentiate between intranet and internetsome comparisons between intranet and internet include- internet is international network- an
reason behind using intranetthe major reasons for doing this include- safer as there is less chance of external viruses or hacking- its
explain the term- intranetsvarious companies use intranets as well as the internet simple definition is an intranet is a computer network which is
explain in brief about the broadbandit isnt just computers which can be linked without wires different peripheral devices can be linked to a computer
disadvantages of wireless technology- range can be very limited- possible interference from nearby electronic devices- security issues ie
explain the term- wireless technologyand broadbandwireless technology wifi and broadbandmost areas in the world now provide broadband instead of dial
name the software required to run video conferencingthe software and hardware required to run video conferencing is very sophisticated apart from
video conferencingvideo conferencing continues to grow in popularity why is this some reasons are listed below- communication links are now much
what is morphingdifferences in appearance between key frames are automatically calculated by computer - this is called morphing or tweening animation
how music is produced and generated - cadcomputer software and hardware advances have changed how music is produced and generated some of the primary
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