In SQL, the ____ symbol is used as a wildcard to represent any collection of characters.
A. *
B. %
C. ?
D. !
Answer: B
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For The Java statements will result in:
``` String c = "hello world"; int i = c.indexOf('o'); int j = c.lastIndexOf('l'); ``` a. i = 4 and j = 8. b. i = 5 and j = 8. c. i = 4 and j = 9. d. i = 5 and j = 9.
Perform a task analysis. Describe your user’s goals, and the types of tasks they carry out in order to complete those goals. Interview at least five users. If appropriate, employ the “think-aloud” technique. Include copies of the interviews.
What will be an ideal response?
__________ is an example of a responsibility for an operating system in a multiprocessing system that does not exist in a uniprocessor system.
a) Ensuring that processes are evenly distributed on the system’s processors b) Ensuring that processors operate on consistent copies of data stored throughout the system c) Synchronizing execution of related processes d) all of the above
Which function of a multimeter is used to measure the resistance of a cable?
A) Ohmmeter B) Voltmeter C) Ammeter D) Continuity checker