Character Set QBASIC character set is a set of valid character that a language can recognised. Character includes alphabetic, number and special characters. Charachers Set used in QBASIC are:-- #, $, !, %, & They are used at hte end of variales names to specify the type of variale. +, -, *, /, \ they are mathematical operators. < ,>, = They are relational operators. (, ) They are parenthesis. : It is used to write multiple statements in a single line. , ; They are separators and are used to separate the arguments in input and output statements. ^ Ti is exponentiation and is used to raise power to. ? It can be used in lace of PRINT Statement ' It is used to mark a line as a comment instead of a REM Statements " " Double Quote use to dispaly instruction to the user (used with PRINT Statements