Advantages of oral communication are as follows:

• It is spontaneous and time saving process.

• It is flexible and arbitrary form of communication.

• Both literate and illiterate can use oral communication to convey information.

• Oral communication can receive immediate feedback

Advantages of written communication are as follows:

• It can be used as a permanent record.

• It is systematic form of communication.

• Written communication can be effective means of communication at formal and official occasions.

• Written communication can be used as a legal evidence e.g. written contract