What is a context-level data flow diagram? Contrast it to a level 0 D F D.

What will be an ideal response?


A context diagram is a diagram to conceptualize data flows within an organization. It usually is a list of external entities, data flows, processes, and data stores, which determines the boundary of the target system. On the other hand, a level 0 D F D is prepared to show an overview of the system including basic inputs, processes, and outputs.

Computer Science & Information Technology

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When inserting an item from an array, if there is not room in the array, ____.

A. false is returned B. the operation is not performed C. the physical size of the array is increased D. both a and b are true

Computer Science & Information Technology

Which of the following is not true about sending and receiving email via your Windows Live account?

a. Always include a subject for email messages; it identifies to the recipient the reason for the email. b. A polite signature demonstrates professionalism. c. All unread emails appear in bold. d. Saving the email messages that you send confirms a message was sent to the recipient on a particular date and time

Computer Science & Information Technology

You can set the formatting of one shape as the default for all other shapes you insert into a presentation.

Answer the following statement true (T) or false (F)

Computer Science & Information Technology

The eBay Web site states that it will not allow auction listings for items that promote hate, violence, or racial intolerance. _________________________

Answer the following statement true (T) or false (F)

Computer Science & Information Technology