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vdu visual display unit outputmake sure that vdus are of an appropriate type they can cause severe eyestrain and tension if you do not checka colourb
data output whatever data or information that you feed into a computer will be the data output from a computer system and will be a data file sent
word processing software the main use for word processing is found in secretarial offices and small publishing companies however if you are involved
if you have to consider the installation of communications packages the same questions have to be askeda does the software and the modem support the
electronic mail is another pc to pc and pc to mainframe data exchange if you subscribe to an electronic mail service it will enable your pc to gain
the internet or the world wide web is the most familiar and popular example these databases hold vast amounts of information for example on companies
when purchasing a database program you must have a clear idea of what you need it for ask yourself the following questions1 will it perform all he
application packages there are two options you can either write your own program or buy an applications package ie a proprietary program
data output processed data is no use to you if you cannot use it once data has been processed you will either1 send it as a data file to another
data input there are several aspects of data input that need careful consideration we shall assume that in a laboratory environment you are mainly
paper system when setting up a computer system you need to ask yourself does the system you plan to operate work manually ie on paper it is a
the gigo principle this is a simple principle with a clear message and universal application - garbage in - garbage outalways try and enter any data
overall functions there are three points that must be borne firmly in mind when considering the use of computers in laboratory managementoverall
computerised systems you would have realized by now that computing systems are most useful for manipulating information any organisation and
memory computers store information internally as well as externallylinked to cpu is an internal memory unit where all the instructions and data are
the central processing unit central processing unit cpu is the brain of the computer the intricate electronic circuitry of the cpu performs the
components of a computer we use a computing system basically to feed in some data that is processed by the computer and some information is generated
objectiveswhen you have completed all the work in this unit you should be able tolist the basic components of a personal computer system1 describe
introduction in the earlier units of this block you learnt the importance of proper filing and record keeping you are also aware that in laboratory
when investing money an important concept to know is compound interest the equation fv pv 1rateperiods this relates the following four
i have chosen an imaginary example to illustrate the different stakeholder categories at home sells a selection of consumer products currently
you are being employed as a novice interaction designer on a project to develop a public kiosk providing information about the exhibits available in
this unit starts by discussing the importance of involving users in the interaction design process explaining the reasons why user involvement can be
the set book assignment should enable you to begin talking about the usability of interactive products in terms of a variety of parameters instead of
visibility controls should be clearly visible so users can see the controls that are available to them visual feedback should also be clearly visible