Ruby : Practice Questions and Answers

The syntax of elsif conditional statement is elsif with an expression.

We use elsif conditional statement in Ruby.

1..10 means start from one and go till 9 and even include 10.

1...10 means start from one and go till 9 and don't include 10.

The until loop is sort of like backward while.

Not necessary, if can execute alone.

Else is valid conditional statement.

When the if expression gives false value and the else condition is true then only it will get executed.

Octal notation ranges from 0-7.

datetime is valid datatype but timedate is not a valid datatype.

They are simply the sequence of 8-bit bytes.

This notataion is used for backspace.

Integer within this range are objects of the class fixnum.

We can assingn a integer and a floating point value to a variable.

Integer ranges from -2^{30} to 2^{29} and lies in object of class Fixnum.

Ruby differentiates between small and capital letters and their meaning.

Quotation marks are used only with strings.

Boolean data types will give the value either as True or False depending on the condition.

Ruby supports all the three (numbers,strings,boolean) data types.

All of the mentioned above are used for comparisons.