All of the following are true about classes, except:
a. Classes have attributes and behaviors.
b. The first class in any C++ program is main.
c. An object must be created from a class before it can be used.
d. A class’s functions hide from the user the complex tasks they perform.
b. The first class in any C++ program is main.
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A dynamic stack has a __________ size and is implemented as a(n) __________.
a. variable, linked list b. fixed, linked list c. variable, array d. fixed, array e. None of these
Read the following scenario. Provide the command(s) in context of the environment established in the scenario. Write your answers on the line under each question.
Your home directory is /usr/students/project You have just logged in, and system informs you that you have mail. You have a file called myfile in your home directory 1. Send myfile to the user ID number DU007 2. Compose the following mail and send it to the user ID number DU007 3. Start composing the message Hi, what a day! 4. Read the current date and time and place it in your message 5. Save your composed message in mymail file 6. End your message 7. Mail myfile to yourself 8. Read your mail 9. Display message number 3 10. Replay to the current message 11. Delete message numbers 3 and 4 12. Undelete all the deleted messages 13. Save the message number 6 in mymail file 14. Exit without removing the mail from your system mailbox 15. Display the message headers only 16. Read message number 1<%0> 17. Replay to the message number 1 18. Delete message numbers 1 to 4 19. Exit mailx and remove mail from your system mailbox 20. Read your mail from another file, let's say mbox
Excel's ________ finds the input needed in one cell for another cell to have a desired value
A) chart area B) plot area C) Goal Seek D) order of operations
Two of the cases of an unbalanced tree can be solved by performing three rotations.
Answer the following statement true (T) or false (F)