Transaction files:

A) are used when interface data flow exist on data flow diagrams.
B) may be used to link processes that execute at different times.
C) are included to store all derived elements.
D) are required to implement all on-line processes.

B) may be used to link processes that execute at different times.

Computer Science & Information Technology

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Directories are special files that contain listings of filenames and their attributes.

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

Computer Science & Information Technology

?Only videos that create a rich experience for the user should be added to a webpage because:

A. ?only few browsers support video files. B. ?video files can only be downloaded by non-broadband users. C. ?video files do not lead to extra costs when used on a mobile device. D. ?informative video files can increase traffic to one's website.

Computer Science & Information Technology