People and ICT Systems

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Factors to consider when producing a new system

  • Ensuring the cost of implementation is worth the benefits it will bring 
  • Timescales for implementation must be realistic and allow time for testing
  • The need to involve clients and end users to ensure the system meets their needs
  • The requirements of the client and user have to be realistic and clearly stated
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Factors that affect interaction with computers

  • Experience
  • Physical characteristics
  • Environment of use
  • Task to be undertaken
  • Age
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Graphical User Interface

Uses icons or pictures that are easily understood by the user and can be clicked using an input device. They vary between manufacturers but are generally seen as the most intuitive way of using a computer, giving access to users with different levels of knowledge

  • Windows
  • Icons
  • Menus
  • Pointers
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Menu-driven Interfaces and Command Line Interfaces

Menu-driven - The user is restricted to a limited choice of actions.

Command Line - Used by expert users. They type in text-based commands for the computer to execute.

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Help and Support

  • Multimedia Presentations
  • Training Packages
  • Video Tutorials
  • Search Facilities
  • Books
  • Friends and Family
  • Help-desk
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Benefits and limitations of user interfaces

GUI- They are user-friendly, making software more intuitive for inexperienced users. They can be frustrating for more experiences users, who may have to go through three or four menus before they can use the feature they require. They are also quite demanding in terms of hard disk space and memory.

Command-line- Generally reserved for expert uders, as they demand considerable knowledge. The fact that they do not use graphics makes them far less demanding in terms of system resources.

Menu-driven- These restrict the options the user can select. This can be an advantage because inexperiences users have a route to follow. But can slow down the use of the system as every user has to follow set routes. This means that that they have to click the appropriate choice at each menu stage and it can often take some time to reach the correct option. They are often combined with graphics and can be used effectively with touch-screen systems.

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Skills needed to be an ICT professional

  • Good written communication skills
  • Good oral communication skills
  • Problem-solving skills
  • Patience
  • Willingness to work flexible hours
  • Teamwork
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Characteristics of an effective ICT team

  • Team leader must ensure that they all work together in an organised and efficient manner
  • Strengths and weaknesses of all staff are considered
  • Appropriate structure should be in place to ensure that the standard practices of the organisation are followed
  • Some form of monitoring must be done to check the project is being complted to schedule 
  • Costs and expenses should be monitored so that you don't go over budget
  • A structure must be in place to ensure that the project continues to deliver what it set out to do in the first place
  • The balance of the team should allow people with different skills and knowledge to work together effectively
  • All individuals in the team must possess good communication skills
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