What are the advantages and disadvantages of spoken and written English, and in which situations is each preferable?

Oral use of English:

• Advantages: Fast communication, the ability to clarify and ask questions instantly, conveying intonations and emotions.
• Disadvantages: Possible misunderstandings due to accent or noise, lack of recording for later analysis.
• When preferred: In informal conversations, meetings, when promptness and live communication are important.

Written use of English:

• Advantages: Clear documentation of information, the ability to carefully consider formulations, convenience for documenting and transmitting complex ideas.
• Disadvantages: Time-consuming to write and read, lack of instant feedback.
• When preferred: In technical documentation, reports, email correspondence, when accuracy and information preservation are important.

The choice of format depends on the communication goal, urgency, and context. For example, oral communication is better for discussing bugs within a team, while written communication is preferable for describing test cases.