Are

question 98

Multiple Choice

are

• A) computer-based networks that trigger actions by sensing changes in the real or digital world.
• B) software programs to measure the number of times an ad loads on a webpage.
• C) small, downloadable software programs that can run on tablet devices or smartphones to provide special functions for these devices.
• D) a failed marketing gimmick to advertise the benefits of smartphones.
• E) programs that can be used to organize large groups to form protests on social networking sites.

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Definitions:

Extern

The extern keyword in C and C++ is used to declare a variable or function in another file, indicating that its definition will be found elsewhere.

Source Code

The original code written by a programmer in a high-level programming language before it is compiled into machine code.

Declaration Statement

A statement in programming that specifies the type and possibly the initial value of one or more variables or constants.

Extern

A keyword in C and C++ programming languages used to declare a variable or function in another file.