Unit 2.2

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Mind Map on Unit 2.2, created by ckemp on 21/10/2013.
ckemp
Mind Map by ckemp, updated more than 1 year ago
ckemp
Created by ckemp over 11 years ago
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Unit 2.2
  1. What is ICT?
    1. The use of technology for the input, processing, storage and transfer of data and the output of information
    2. ICT Systems
      1. Output from a system goes directly to a human being or onto another ICT system
        1. INPUT - PROCESS - OUTPUT
          1. Holiday Booking System
            1. Input -Date of departure
              1. Processing - Cost of holiday for chosen destination for 2 Adults & 2 Children
                1. Output - Holiday itinerary together w/ detailed costs on screen and printed
              2. Components of an ICT System
                1. People
                  1. Needed to enter data and for non - ICT procedures
                  2. Data
                    1. Raw facts, figures or set of values that, without context, have no useful meaning to a human user
                    2. Procedures
                      1. Involve non - ICT procedures to allow system to run
                        1. Correct paper type in printer
                          1. Backing up important data files to a removable storage medium
                        2. Software
                          1. All programs that make up the ICT system and data held within it
                            1. Applications
                              1. Communications
                                1. Systems
                              2. Hardware
                                1. All physical components that make up computer system
                                2. Information
                                  1. Data that has been processed or converted to give it meaning
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