?Identify the letter of the choice that best matches the phrase or definition.
A. Ensures that the input and output data flows of the parent DFD are maintained on the child DFD
B. ?A set of Data flow diagrams (DFDs) that produces a logical model of the system, but the details within those DFDs are documented separately in a data dictionary, which is the second component of this
C. ?An analyst starts with an overall view, which is a context diagram with a single process symbol
D. Shows how a system transforms input data into useful information
E. ?Describes how a system will be constructed
F. ??Documentation of all data flows along with documenting each data element
G. ?Can have more than two possible outcomes in addition to multiple conditions
H. ??Shows what the system must do, regardless of how it will be implemented
I. Data flow diagram (DFD) component that represents one or more data items
J. ?A data structure that contains a set of related data elements that are stored and processed together
A. ?Balancing
B. ?Structured analysis
C. ?Leveling
D. ?Data flow diagram (DFD)
E. ?Physical model
F. ?Data dictionary
G. ?Decision table
H. ?Logical model
I. ?Data flow
J. Record
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Match the following common problems associated with e-mail to the symptoms listed:
I. delivery failure II. attachment won't open III. missed messages IV. hasty response V. misinterpretation A. file was corrupted during transfer B. user's inbox is at the mailbox size limit C. use of too much humor or sarcasm D. message was sent out but the user did not receive the message E. quick response without much thought
Which of the following statements is true about undefined behavior, which can leave a system open to attack?
a) It’s not possible to have undefined behavior when adding two in-tegers. b) Adding two integers can result in arithmetic overflow, which can cause undefined behavior. c) You should not worry about undefined behavior in your programs. d) None of the above.