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AS Level ICT

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AS Level ICT Design of processes Processes Processing turns raw data that has been inputted into information that can be outputted There are many different ways in ... – PowerPoint PPT presentation

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Title: AS Level ICT


1
AS Level ICT
  • Design of processes

2
Processes
  • Processing turns raw data that has been inputted
    into information that can be outputted
  • There are many different ways in which data can
    be processed including
  • Calculations (i.e. arithmetic operations that
    manipulate data to produce mathematical results)
  • Logical operations (i.e. where decisions are made
    based upon the data that has been inputted)

3
Processes
  • Searching (i.e. looking at data and searching by
    a name, date or keyword to find desired
    information)
  • Sorting (i.e. segregating items of data into
    groups according to specified criteria)
  • Selecting (i.e. choosing the attributes that will
    be returned as the result of a query)
  • Re-arranging (i.e. putting data into a new order
    or arrangement)

4
Processes
  • Structuring (i.e. imposing an order or
    organization on a set of data)
  • Classifying (i.e. grouping items of data based on
    their common relationships)
  • Merging (i.e. combining or mixing data from
    different sources)
  • Recording (i.e. the process of capturing data or
    translating information to a format that can be
    stored)

5
Processes
  • Retrieving (i.e. recalling data that has been
    stored)
  • Transmitting (i.e. sending data from one place to
    another)
  • Controlling (i.e. process variables are fed into
    a computer and the output of the computer is used
    to control the process )
  • Producing graphs and/or charts
  • Manipulating images

6
Selecting and documenting processes
  • During the design stage of any project it is
    important that the designer chooses appropriate
    processes
  • It is of equal importance that the designer
    documents their choices, and that this
    documentation includes details of the process
    chosen and the rationale behind those choices

7
Selecting and documenting processes Example
  • A designer has chosen to solve a problem using a
    spreadsheet
  • The processes that will be applied to inputted
    data must be identified and documented

8
Selecting and documenting processes Example
  • The designer will need to
  • Select and list the type of arithmetic processes
    they wish to include
  • Select and list the logical operations they wish
    to use
  • Select and list details of any macros they wish
    to use
  • Select any validation test they wish to use

9
Selecting and documenting processes Example
  • Once the decisions as to what processes will be
    needed to solve the problem using a spreadsheet
    have been made, the outline of these processes
    will need to be expanded and greater detail
    included

10
Selecting and documenting processes Example
  • The designer will need to produce and document a
    list of the following
  • Every calculation used
  • Every logical expression used
  • Every sort used
  • Every macro used
  • Every validation test used
  • Every chart or graph that will be produced

11
Selecting and documenting processes Example
  • The rationale each choice has been made also
    needs to be documented, as this will
  • Enable the designer ensure that the end solution
    remains within the original parameters they were
    set
  • Enable the client to understand how the designer
    is approaching the solution to their problem

12
Selecting and documenting processes Example
  • Once this has been completed, the designer should
    then be able to proceed to the next stage of the
    design process

13
AS Level ICT
  • Design of processes
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