What is data?
Data is raw material
Data are details that are meaningless because they lack relevance and have no context
what form date takes
why code date
less effor to type
mare date can be scren at one time
takes up less stogare space
eassier to check when vailding the date
example of code date
M or F
GB AU CH ES
what is encoding
The process of putting information/data into a specified format that allows effective transmission or storage by an ICT system.
Data is converted into binary for processing so the computer can understand it
E.g. ASCII encoding – where characters on the keyboard are changed into binary. A = 01000001.
why encode date
to compress date makeing it smaller
to enablee file proudce in one softwear package to be read by someone who dose not have that pice of sofwear
type of encode date
type for sound
difference between date and information
date is the RAW fact and ficuer, which in put in to a sytmes sroted then process by the sytmesm. were as information is date with a context
what is information
come form the processing of date.
iformatio is date which have been
oragised in someway
quailty of information
when decsion are being made on the basis of the information. it is imperative that the informatrion is sound
What makes quality information?
- How easy the information is to understand
- Maybe not everyone understands t
- he way the data has been coded?
- Relevance Up-to-date
Why keep data up-to-date
date prction act 1998
acruate predcadtion and frorecasting
accurate anyalise of date