If an app needs to perform a derived-class-specific operation on a derived class object reference by a base class variable, the app must first cast the base class reference to a derived class reference through a technique known as _________.

a) downcasting
b) upcasting
c) decreasecasting
d) increasecasting


a) downcasting

Computer Science & Information Technology

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A _______ is a range of cells filled with increments of a certain type of data.

Fill in the blank(s) with the appropriate word(s).

Computer Science & Information Technology

Panels can be opened using the Window menu commands or the corresponding ________keys.

Fill in the blank(s) with the appropriate word(s).

Computer Science & Information Technology

On which menu is the Color Range command located?

A. Edit B. Image C. Select D. View

Computer Science & Information Technology

Snort works in one of three modes. Which of the following is not one of these modes?

A) Sniffer B) Analyzer C) Packet logger D) Network intrusion-detection

Computer Science & Information Technology