Data + Information

  • Created by: MiyaKanth
  • Created on: 28-03-17 10:49
6 Data Types
Numbers, Words, Images, Sound, Video, Boolean+Logical
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5 Data Capture Methods
Survey, Experiment Results, Transaction, Enviromental Measurements, Output from Information System
2 of 17
Coded Data Advantages
less time to input, less storage and screen space, easy validation and verifictaion,
3 of 17
Whats Encoding Data?
Proces of putting data into a specifed format that allows effective transmission or storage
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What is ASCII?
American Standard Code for Information Interchange (binary digits used)
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6 Image Encoding Types
Vector, JPEG, GIF, TIFF, Bitmapped, WMF
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What is a WAV sound file?
windows used, highlt compressed
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What is a MIDI sound file?
Musical Instrument Digital Interface, compressed, communtication between keyboards
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What is and MP3?
compressed, popular with portable devices
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What is Shockwave Audio?
very high quailty, very small file
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What is Data Representation?
character is typed into the computure and converted into binary form
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What is Direct Data?
data collected for a specific purpose
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What is Indirect Data?
data collected by one company, then manipulated for a different purpose
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Types of Processing?
Batch, Real-time, Transaction, Interactive Processing
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What is Static Data?
produced and distributed in a state which cannopt gbe changed (CD ROM)
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What is Dynamic Data?
data which is subejdct to change (weather page internet)
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Why is it important to keep data up to date?
legislation Data Protection Act 1998
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Other cards in this set

Card 2

Front

5 Data Capture Methods

Back

Survey, Experiment Results, Transaction, Enviromental Measurements, Output from Information System

Card 3

Front

Coded Data Advantages

Back

Preview of the front of card 3

Card 4

Front

Whats Encoding Data?

Back

Preview of the front of card 4

Card 5

Front

What is ASCII?

Back

Preview of the front of card 5
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