Physical data flow diagrams show how the system operates or how the new system will be implemented. Physical data flow diagrams include:
What will be an ideal response?
A. Clarifying which processes are performed by humans (manual) and which are automated
B. Describing processes in greater detail
C. Sequencing processes in the order they must be executed
D. Temporary data stores and transaction files
E. Specifying actual document and file names
F. Controls to ensure accuracy and completeness
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Distinguish among hardware, software and firmware.
What will be an ideal response?
Which of the following data should be entered as a label?
A. telephone number B. price C. volume D. distance
In the object-oriented approach, a(n) __________ is an external view of the object that can be accessed by other objects.
a. method b. signal c. data structure d. operation
If an ext2 file system uses 2KB blocks, a file smaller than ________ can be located directly from its inode.
a) 16KB b) 20KB c) 24KB d) 48KB