Ict - topic 6

Ict - topic 6

1. Learning with diabilities

   • Braille keyboards
     • Input devices for those that cannot see the keyboard. though most people can be trained to touch type. A braille keyboard has raised dots for the characters on the key
   • Touch sensitive data entry screen
     • An input device that works by touch and position where device is touched and sensed and used as data
   • Voice recogintion
     • People who have difficulty typing can use a microphone as an input device to issue commands to the computer or to use an application avaliable
       • Specialist software - converts users voice to words
       • Predictive software - offers choices or words or phrases that can be selected to increase speed of input.
   • DTE
     • Can be customised to help those with visual impairments.
       • Voice recogintion
       • Narrator
       • On screen magnifer
       • On screen keyboard
       • You can change the colour combintion
   • Concept keyboards
     • Touch sensitive boards that have special overlays that help a handicapped person to input data.
   • Text to voice
     • Text to speech, abbreviated as TTS, is a form of speech synthesis that converts text into spoken voice output. Text to speech systems were first developed to aid the visually impaired by offering a computer-generated spoken voice that would "read" text to the user

2. Distance learning

   • Distance learning is a means of studying for a qualification from home by learning online, using web pages and other resources and then taking the exam online
   • VLE
     • Virtual learning environment - a software system that uses the internet to support teaching and learning. Feedback can be given to teach particular topics and pupils can work at their own pace
     • Disadvantages
       • Disadvantages
         • Cost
         • Hackers
       • Advantages
         • Learning takes place anytime
         • Multimedia
   • Online assesment
     • Exams can be taken online. Questions appear on the screen, answer via mouse and keyboard. marks may vary
     • Disadvantages
       • Difficult to mark subjective answers
       • Impersonal way of testing
     • Advantages
       • Tests can be taken anytime
       • Results can be instant
   • Online tutorials
     • The internet providesmany online tutorials. They may be interactive and animated which allows pupils to see what happens in a different situation
     • Disadvantages
       • No teacher to ask questions
       • Can't skip bits you already know
     • Advantages
       • On screen demonstrations
       • Readily avaliable

3. Desktop enviroment

   • Shortcuts
     • Shortcuts allow a complex series of actions to be carried by doing a mouse click or pressing a key and/ or selection ok keys. Many shortcuts are available, but they are different on the system you are using.
   • A DTE can be customised by changing icon sizes, adjust sizes of windows, mouse settings and speed of mouse. Using your settings window, you can change the appearance of the desktop, postion of objects, graphics and screen resolutions ect.
   • GUI
     • Graphical user interface, a desktop is an example of a GUI. Microsoft windows is an example of GUI
   • Files and folders
     • Saved data is usually referred to as a file. A file may contain text, numbers, an image, a video or sound. It is possible to move a file from one folder to another, or even move a representation of it around on the desktop. Files and folders can be deleted, copied or renamed.