Question
a.
The logout process
b.
A mandatory element
c.
Iteration – any number of repetitions
d.
Optional elements
Posted under Human Computer Interaction
Engage with the Community - Add Your Comment
Confused About the Answer? Ask for Details Here.
Know the Explanation? Add it Here.
Q. What does the 'o' symbol represent in a JSD diagram?
Similar Questions
Discover Related MCQs
Q. Which part of a JSD diagram describes the sequence of actions in a system?
View solution
Q. What class of dialogs can be represented by simple JSD diagrams?
View solution
Q. How does a JSD diagram represent the sequence of actions in a system?
View solution
Q. What type of actions are listed under the 'transactions' node in a JSD diagram?
View solution
Q. What is the primary purpose of JSD diagrams in dialog design?
View solution
Q. What is the significance of the decorations on the boxes in a JSD diagram?
View solution
Q. Which formal notation has been widely used to describe programming language syntax and can also be applied to dialog notation?
View solution
Q. What is the purpose of using formal grammars in dialog notation?
View solution
Q. Which notation is suitable for producing crude prototypes and is based on BNF?
View solution
Q. What is the main difference between BNF and regular expressions in terms of representing user actions?
View solution
Q. Which of the following is NOT a characteristic of regular expressions?
View solution
Q. What is the basic unit considered in text editors and lexical analyzers when using regular expressions?
View solution
Q. Which notation is known for using connectives to denote sequence and choice?
View solution
Q. Which of the following is a drawback of using regular expressions for dialog design?
View solution
Q. Which notation is particularly suitable for representing named non-terminals and recursive definitions?
View solution
Q. What is the primary difference between regular expressions in text editors and those used in dialog design?
View solution
Q. In regular expressions, what does the Kleene star operator (*) represent?
View solution
Q. How does BNF represent iteration in comparison to regular expressions?
View solution
Q. Which of the following cannot be represented using regular expressions with the Kleene star operator?
View solution
Q. What characteristic makes regular expressions and BNF suitable for low-level dialog descriptions?
View solution
Suggested Topics
Are you eager to expand your knowledge beyond Human Computer Interaction? We've curated a selection of related categories that you might find intriguing.
Click on the categories below to discover a wealth of MCQs and enrich your understanding of Computer Science. Happy exploring!