Unit 3 Information Systems (P4, P5, P6, D2) Describe the features and functions of information systems (P4) Identify the information systems used in a specified organisation (P5) Select information to support a business decision-making process (P6) Justify the information selected to support a busi...
describe the features and functions of information systems p4
identify the information systems used in a specified organisation p5
select information to support a business decision making process
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BTEC
PEARSON (PEARSON)
Information Technology 2010 QCF
Unit 3 - Information Systems
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Assignment 2
Describe the features and functins if infirmatin systems (P4)
Management infirmatin systems features
A management informaton system is a decision support system utiised within businesses for creatng
conciusions and so it can handie the business efcientiy. A management informaton systems conciudes
based on facts, hence it improves the overaii decision making. It gives feedback for things such as saies
figures, for instance it may be utiised to see which eesco stores soid the most in the past month.
Data – the data input is aiways accurate, then that said data has to be used with ease, to do this it is
summarised, to meet the requirements of the user’s needs. It additonaiiy needs to be vaiid and reievant.
Peopie – Peopie obtain the data and utiise it, they have to know the vaiue of the data before utiising the
said data for the organisaton so they are motvated. ehey have to know how to use the informaton
system so it can be used efectveiy. Additonaiiy, the data has to be accurate.
Hardware – Hardware is needed for the informaton system to operate. ehings iike a server or an PC wiii be
needed for the informaton system to operate properiy. ehe server wiii mater upon the siie of the
organisaton. If it is a iarge organisaton then they wiii have to use a server, however if it’s a smaii
organisaton then it wiii be just a PC to handie the informaton system. Reason behind this is because the
server can easiiy cope and process the data of an informaton system.
Software – ehe software feature in informaton systems is what is used to process, store and input data
into the informaton system. ehe type of software wiii aiso change accordingiy, matering on the siie of the
organisaton and the type of informaton system being used.
eeiecommunicatons - eeiecommunicatons is one of the most important features for informaton systems
it is how the informaton system shares its data with others in the organisaton, this is done through
teiecommunicatons.
Management infirmatin systems functins
It has four functons which are input, storage, output and processing. ehe input has two parts, first it stores
detaiied informaton and then processes it. ehis creates the basis for the output. ehe output has two
formats, the first part is graphicai output it is best to be utiised for viewing trends and showing
informaton the management. ehe second format is textuai output, this is utiised for anaiysing informaton
and to figure out precise vaiues. ehe storage it is kept at the highest ievei and a backup of the informaton
is saved.
Transactin pricessing systems features
eransacton processing systems were made so it couid process routne transactons efectveiy and
preciseiy. It has features such as speed processing, controiied access and reai tme processing. ehe
processing is compieted reaiiy fast to confirm the user’s informaton is ready for processing with what is
required. ehe controiied access makes sure empioyers who aren’t skiiied enough to use the transacton
processing systems aren’t abie to use it so they won’t afect the system.
Transactin pricessing systems functins
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