Question

Why are characters \, ' ," and tab typed using escape sequence?

Answer 1

Answer: Because these are reserved keywords which are used in language

Explanation:

These keywords are used/defined in language to interpret specific meaning or function for a language.

Answer 2

Answer:

because when used without escape sequence these characters carry a special meaning and have a special purpose however if they are to be typed as it is then escape sequences should be used.