Write a declaration for double-precision, floating-point variable lastVal that should retain its value between calls to the function in which it’s defined.
What will be an ideal response?
```
static double lastVal;
```
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Which of the following statements about arcs is false?
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Match the following terms to their meanings:
I. Update query II. Parameter query III. Action query IV. Delete query A. enables you to create a new table or change data in an existing table B. used to add, change, or delete data in fields of one or more existing records C. removes records from an existing table in the same database D. prompts you for criteria before running the query
What connector is shown in the exhibit?
A. USB-A B. RJ-11 C. F-type D. RJ-45
Many Web sites use a digital certificate to prove their identity to visitors. Why is the use of digital certificates considered a reliable form of authentication?
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