Critical Thinking Questions
?
Roger is part of a team that is responsible for employing a new information system, the design of which was developed using customary structured methods. To manage the intricacy of the application development process, Roger wants to deploy structured development techniques, and he asks Pete, his coworker, for information about these techniques. Pete tells him about structure charts, which show program modules and the relationships among them using various graphical symbols.
?
?Roger enquires Pete on how to represent the fact that one program module (a control module) determines subordinate modules that will be invoked. Pete tells him that he can use a condition. What symbol is used for a condition?
A. ?An arrow with a filled circle
B. ?An arrow with an empty circle
C. ?A line with a diamond on one end
D. ?A line with a diamond on both ends
Answer: C
You might also like to view...
Answer the following statements true (T) or false (F)
1. There is no problem with the compiler distinguishing these two function definitions: ``` void func(double x){/*…*/} int func(double x){/*…*/ return something_double;} {/code 2. The compiler ha no problem distinguishing these two function definitions: ``` void func(double &x){/*…*/} void func(double x){/*…*/} ``` 3. Mixing call-by-reference and call-by-value parameters is strictly prohibited. 4. Default arguments can be used with either call-by-value or call-by-reference parameters.
Once loaded into RAM, the __________ provides essential operating system services, such as memory management and file access.
Fill in the blank(s) with the appropriate word(s).
A _________ firewall applies a set of rules to each incoming and outgoing IP packet and then forwards or discards the packet.
Fill in the blank(s) with the appropriate word(s).
Interview some users of database systems. Which DBMS features do they find most useful and why? Which DBMS facilities do they find least useful and why? What do these users perceive to be the advantages and disadvantages of the DBMS?
What will be an ideal response?