Direct Manipulation and Virtual Environments Essay

Direct Manipulation and Virtual Environments - Essay Example This is because users can see the outcomes of an action before completing the object; thus, evaluating the results and compensating for mistakes (Wang and Tsai, 2011). A command line structure on the other hand is an interaction with a computer program through which the user gives commands to the program in the form of consecutive lines of texts. A command line shell is used to implement an interface. The command line shell is a program that would accept commands as text input converting them to operating system functions. Programs are easily automated through scripting if only they have command line interfaces. The command line structure provides an access to the arguments and the name used to invoke the running program (Wang and Tsai, 2011). Direct manipulation style can be applied in pupil’s interaction with some educational software. The computer interface can encourage people to think, plan on relevant issues and learn more successfully. The direct manipulation is very effective to learning and is likely to broaden learners’ notion on task beyond their computer interaction. This style will be effective in increasing learner’s legibility in future to improve the current processes and create new