Which of the following is/are true with respect to functions ?
Correct answer: D. All of the mentioned
- A. A function such as "search-book" is represented using a circle
- B. Functions represent some activity
- C. Function symbol is known as a process symbol or a bubble in DFD
- D. All of the mentioned
Explanation
A function represents an activity or process, and in a DFD it is shown as a circle or bubble, such as “search-book.” Thus, all the statements are true.
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