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state the term- interviewing this involves a one to one question amp answer session between analyst and customeremployee a good method if analyst
what is meant by questionnaires this includes sending out questionnaires to the work force orand to customers to find out their views of existing
determine the disadvantages of fact finding- people are usually uncomfortable being watched and may work in a different way- what they are
what are the advantagesof fact finding- analyst obtains reliable data- its possible to see exactly what is being done- this is an inexpensive
observing the existing system first hand this involves watching personnel using the existing system to find out precisely how it works there are a
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
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