An analog sound wave is digitized by ____ it at various points and converting those points into digital numbers.
A. processing
B. benchmarking
C. sampling
D. caching
Answer: C
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which returns the number of employees whose age is 27, and the other contains the single UPDATE statement
The granular locking protocol can exhibit a deadlock between two transactions, one of which executes a single SELECT statement and the other a single UPDATE statement. For example, suppose that one transaction contains the single SELECT statement
SELECT COUNT (P.Id) FROM Employee P WHERE P.Age = ’27’
UPDATE Employee SET Salary = Salary * 1.1 WHERE Department = ’Adm’which gives all employees in the administration a 10% raise. Assume that there are indices on both Department and Age and that the tuples corresponding to the department Adm are stored in more than one page as are those corresponding to age 27. Showhowa deadlock might occur at isolation levels other than READ UNCOMMITTED.
An advantage of using inheritance with exceptions is:
a. The ability to catch related errors easily. b. Allowing catch statements to be imported into classes. c. The ability to explicitly test for derived class objects individually. d. The simplification of destructor calls for objects.
Which of the following statements about security awareness is not true?
A) The purpose of security awareness is to focus attention on security. B) Awareness is training. C) Security awareness programs are designed to remind users of appropriate behaviors. D) A poster reminding users not to write their password down is an example of an awareness program.
What is the restriction that the array-based implementation of a stack places on the push operation?
What will be an ideal response?