Classes that are not abstract classes are sometimes referred to as
a) base classes.
b) concrete classes.
c) super classes.
d) inherited classes.
b) concrete classes.
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Which of the following statements is true?
a. When you drive a car, pressing its gas pedal sends a message to the car to perform a task—that is, to go faster. b. You send messages to an object; each message is implemented as a method call that tells a method of the object to perform its task. c. A program might call a bank-account object’s deposit method to increase the account’s balance. d. All of the above statements are true.
Which Linux file records all logins and logouts that occur on the system?
A. utmp B. btmp C. cron D. wtmp
Text that displays at the bottom of every slide or that prints at the bottom of a sheet of slide handouts or notes is a:
a. Header b. Footer c. Page number
When you add a Microsoft account to your computer, it must be an administrative account.?
Answer the following statement true (T) or false (F)