info 2 ICT

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  • Created by: caprice
  • Created on: 07-04-14 13:53
what does ICT stand for?
ICT stands for information communications technology
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what is an ICT system?
A system is a way of doing something, so an ICT system is a way of doing something using ict, where the putput of the system goes straight to a human or another ICT system.
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Give 3 examples of ICT Systems?
Payroll system, Stock control system, Banking systems
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what do all systems have in common?
all systems involve three steps: input, process and output.
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what is an input
this invloves capturing or entering the data. normally via keyboard.
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what is proceesing
means performing actions on the input data. e.g calculations, searching, sorting, converting, arranging, presenting, converting, transferring and classifying.
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what is an output
theses are the results or the information produced when the data has been processed.
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what forms can data be in?
numbers, words, images, sound
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what is coding data?
coding data mean putting it into shorter terms
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what is encoding data?
encoding data is putting the data/ information into a specified format that allows effective transmission or storage by an ICT system.
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what is decoding data
the opposite of encoding data where the coded information is changed back to its original form.
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what is binary code?
This is a digital coding system which uses two values to represent data, 0 and 1.
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how does binary code work
on a network these binary codes are transmitted along a wire until the character is recived at the other end where it is decoded and converted back to the character again.
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what is data?
data is the raw value put into, stored and processed by a data processing system
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what is information?
information comes from processing data. information is data that has been: processed, converted, or organized in some way
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why is keeping data up to date important?
there is a requriremtent under the data protection act 1998 for anyone who processed personal data to keep that information accurate and up to date.
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who are users?
users are people who use the system designed by others
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what are the 5 user characteristics
1. experience 2. physical characteristics 3. environment of use 4. task to be undertaken 5. age
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what is a common interface
the standard interface for human inputting data is via the keyboard with the computer giving its response on the screen.
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define interface
An interface is a method, either hardware or software, which connects different parts of a computer or network so that data communication can take place.
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what are technical skills
technical skills are those that are neccessary in order to complete a specific job in ICT.
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What are personal skills
are those skills a person possesses and which are transsferable to any job or task.
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Other cards in this set

Card 2

Front

what is an ICT system?

Back

A system is a way of doing something, so an ICT system is a way of doing something using ict, where the putput of the system goes straight to a human or another ICT system.

Card 3

Front

Give 3 examples of ICT Systems?

Back

Preview of the front of card 3

Card 4

Front

what do all systems have in common?

Back

Preview of the front of card 4

Card 5

Front

what is an input

Back

Preview of the front of card 5
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