Which of the following commands will allow the root user to switch to another user account without having to enter that user account’s password?
A. sudoer
B. user
C. su
D. switchuser
Answer: C
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Time complexities are useful because:
A. they tell us exactly how long an algorithm will take to execute B. they are always the same during the use of any algorithm C. they tell us how many elements we should not exceed to avoid exceeding a certain amount of time D. they usually tell us how the execution time changes as the number of elements changes, so we can compare algorithms
Suppose a Scanner object is created as follows:
``` Scanner input = new Scanner(System.in); ``` What method do you use to read a real number? a. input.nextDouble(); b. input.nextdouble(); c. input.double(); d. input.Double();
What does it mean to say that there is a relationship between two tables?
What will be an ideal response?
The vertical distance between lines in a paragraph is called ________ spacing
Fill in the blank(s) with correct word