Describe three principles of direct manipulation Give four benefits of direct manipulation. Also list four problems...

Describe three principles of direct manipulation
Give four benefits of direct manipulation. Also list four problems of direct manipulation.
Choose a software system (or a web page) that you think will benefit the users if it employed the principles of direct manipulation. Illustrate some of the operations under the direct manipulation scheme

Expert Solution

Direct manipulation is the process which lets the users to act on the objects which are displayed on the screen, and make potential use of the objects to achieve the operation intended. The actions taken are immediately seen and are visible by the user. Direct manipulation replaced the command line interfaces which used only commands to achieve operations.

The three principles of direct manipulation are:

Direct manipulation is based on selecting, interruption and also visible performance of the objects according to user actions.
Direct manipulation works by immediately displaying the action/selection, working fast and incremental
Direct manipulation selections using pointing action without using command line interface

The benefits of Direct manipulation are:

a) Letting the beginners learn quickly

b) Easier for the user to remember operations and concepts

c) User friendly actions

d) Users can find their actions more easily

The problems of direct manipulation are:

User interface may also confuse users who are not used to its operations
Commands can be more efficient and faster than using user interface
Design of the objects may mislead the users
Users have to know the meaning of the displayed images in the objects

venereology answered 11 months ago

Link the genetic characteristics to the DNA structure and also list and describe Mendel's principles and...

Link the genetic characteristics to the DNA structure and also list and describe Mendel's principles and describe how each contribute to genetic variability. How might biology have be different if his discoveries had not been lost for decades? Be prepared to discuss the significance of Mendel's discoveries to moder biology.

List and explain 7 benefits of oligopolistic competition. Whilst also list and explain 7 benefits of...

List and explain 7 benefits of oligopolistic competition. Whilst also list and explain 7 benefits of monopolistic competition

1. List and describe two of the three principles that we looked at in Fluids. 2....

1. List and describe two of the three principles that we looked at in Fluids. 2. While installing a rectangular, in ground pool, the customer requests that the length of the pool be doubled. How does this impact the pressure felt by the side of the pool that isn't changed? Please questions 1 and 2- thanks

Question 4: In 400 words choose three ethical principles from the following list and give a...

Question 4: In 400 words choose three ethical principles from the following list and give a detailed discussion about the Case Study below, Autonomy, Justice, Consequentialism, Prima Facie Duties, Mature Minor, Principle of Utility, Mills principle of liberty. Case Study: Benny is 15 years old. He was born with an enlarged, malfunctioning liver and an enlarged spleen. When he was eight years old he had his first liver transplant and for the following five years Benny took a drug called...

List and describe 9 employee fringe benefits that are excluded from income. Give an example of...

List and describe 9 employee fringe benefits that are excluded from income. Give an example of the each benefit and any rules and limitations on the income tax exclusion.

While there are great benefits to a written constitution, there are also significant problems. The words...

While there are great benefits to a written constitution, there are also significant problems. The words and ideas in the Constitution must have relevance and meaning for generations and realities that are difficult to imagine. The evolution of technologies and new knowledge make this challenge even more complex. We only have to look at our U.S. Constitution to see where language has two forms of relevance: The first is what is specifically stated. This is the Constructionist point of view....

Briefly describe the characteristics of cross-functional business processes. Also, briefly describe at least three business benefits...

Briefly describe the characteristics of cross-functional business processes. Also, briefly describe at least three business benefits of cross-functional business processes.

List and describe the principles of volume, pressure and flow

List and DESCRIBE three distinct categories of jazz and give an example for each.

List and describe five benefits and three costs that an organization can expect when implementing an...

List and describe five benefits and three costs that an organization can expect when implementing an EMS that conforms to the ISO 14001:2015 requirements. What barriers might prevent the organization from realizing these benefits? How can these costs be minimized?

Question