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a explain the following terms 6i persistence of visionii flicker in motion picturesb what is meant by blanking what is the need of blanking pulses
a determine how color sync burst and h deflection sync vary in amplitude and frequency also explain the difference in timing among the 358 mhz color
a given a timer with a terminal count and a clock frequency of 10 mhz measure the followingi range amp resolutionii terminal count values needed to
a compare the serial protocols parallel protocols and wireless protocols in terms of formats speed performance and security issuesb briefly define
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
determine about the wireless technologywireless technology wifi enables connection of a computer to internet without the need for connecting cables a
explain the term- wireless technologyand broadbandwireless technology wifi and broadbandmost areas in the world now provide broadband instead of dial
describe in brief how email system worksfollowing is a simple description of how email system works- sender composes a message and attaches a
explain the term- electronic mail emailanother form of communication is through email this has the below advantages over video conferencing-
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