Flashcards
Data and Information
Cards in this deck (15)
- 1In what ways can data be formed?Numbers
Words
Images
Sounds - 2How do ICT systems process data?Through Binary Code.
- 3What is Encoding?Changing data/information into a
specified format that allows
storage or transmission for an ICT
system. - 4What is the opposite of Encoding?Decoding.
- 5What is information?Data that has been organised/processed
in some way. - 6What is data?Raw values that are stored and processed
but not organised. Irrelevant and meaningless until something is done with it. - 7How can data arise?Experiments
Surveys
Transactions
Quantity Measurements
System Output - 8How is Binary encoded?Characters are typed and converted
into binary.
On a network this is transmitted along
a wire and converted back into characters again. - 9What does ASCII stand for?'American Standard Code for
Information Interchange' - 10Do sound files need to be compressed?Yes due to their large size.
- 11Examples of sound filesWAV: No great compression required
MIDI: Compressed and small in size
MP3: Reduces file size considerably
Shockwave Audio: Very high quality - 12Image File ExamplesVector
GIF
JPEG
TIFF
WMF
Bitmapped - 13When is data processed into information?Making Decisions
Calculations
Grouping
Organising Data
Sorting - 14Qualities of InformationHow relevant it is
How easy it is to understand
How up to date it is
How accurate it is - 15—
Information
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- AS - Level ICT Flashcards on Data and Information, created by 10esheard6093 on 20/01/2016.
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- 10esheard6093
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