What is polymorphism?
A. ability to create a new class from an existing class.
B. allows a single interface, many implementations or methods for that interface.
C. ability to hide the implementation and data from the outside the class.
D. All of the above.
B. allows a single interface, many implementations or methods for that interface.
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Which of the following is NOT true about using chat and instant messaging?
A) All instant messaging software supports group chats. B) Social media sites enable you to chat with others. C) Online chat enables you to talk to multiple people at the same time. D) There are mobile versions of chat and instant messaging tools.
Match the following acronyms with their description:
I. VBA II. DBMS III. ACCDE IV. RAM V. SQL A. Where most Office programs store their files while the user is working B. Used in several database programs C. Used to create modules D. A database format that only allows data entry E. Access is one example.