data and information - input, process and output
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Data and Information – Input, Process and Output
Mr Caine
Lesson ObjectivesTo know the definition of ICT, System and
ICT System.
To be able to provide examples of a System and an ICT System.
To understand what the difference is between Data and Information is and how that change takes place.
What is ICT?In pairs discuss what you think ICT?
Information and Communication Technology is the use of technology for the input, processing, storage and transfer of data and the output of information.
ICT SystemsFind/Create a definition for a ‘System’ and an
‘ICT System’
System – “A set of connected things or parts forming a complex whole” – Input, Process, Output
ICT System – The same as a System but it uses technology and the output goes directly to a human or another ICT system.
System – Input, Process, Output
Input Process OutputData
Information
Take Food Order
Add up the
Separate Items
Produce the Bill
ICT System – Input, Process, Output
Input Process OutputData
Information
Photos from
Digital Camera
Crop and Airbrush
in Graphics Software
Improved Photos
Displayed
Task - SystemsDraw the Input, Process & Output diagram
for both a System and ICT System.
Annotate both diagrams with an example.
ICT System – Input, Storage, Process, Output
Input Storage Process
Data
Information
Data
Output
What is Data?In pairs discuss what you think Data is?
Data can be defined as a set of recorded facts, numbers or events that have no meaning.
Data is meaningless until it is given relevance.
All data on a computer is represented by 0’s and 1’s.
Types of DataWhat are the different types of data?
TextNumericBoolean/LogicalImagesAudioVideo
Encoding DataDecima
l BinarySymbo
lDescription
48001100
000 Zero
49001100
011 One
50001100
102 Two
51001100
113 Three
52001101
004 Four
53001101
015 Five
54001101
106 Six
55001101
117 Seven
56001110
008 Eight
57001110
019 Nine
Lesson ObjectivesTo know the definition of ICT, System and
ICT System.
To be able to provide examples of a System and an ICT System.
To understand what the difference is between Data and Information is and how that change takes place.