Code Structure | MCQs

Explanation

Variable scope refers to the extent of code in which a variable can be referenced.

Variables defined inside a function are called local variables.

The scope of local variables and dummy arguments is limited to the function in which they are defined.

Explanation

C++ and Java differ in their platform dependency, memory management, and use of classes.

C++ is platform dependent and needs to be compiled on every platform.

Java is platform-independent.

Once it's compiled into bytecode it can be executed on any platform.

Explanation

The conditional operator (? :) is a shorthand for the if-else statement.

It evaluates a condition and returns one value if true, another if false.

Explanation

r is the carriage return escape sequence, which moves the cursor to the beginning of the current line.

It does not move to the next line, unlike n (newline).

Explanation

Examples of computer procedural languages are BASIC, C, FORTRAN, Java, and Pascal