KwickClips Networks and the Internet · 42 sec · free
Is a walkie-talkie full duplex?
Short answer. No. It is half duplex, because only one person can talk at a time.
Which mode is a keyboard?
Simplex, because it only sends keys to the computer.
Three modes
| Mode | Flow | Example |
|---|---|---|
| Simplex | One way | Keyboard |
| Half duplex | Take turns | Walkie-talkie |
| Full duplex | Both at once | Phone call |
Remember
| Walkie-talkie: half duplex |
| Phone call: full duplex |
Is a walkie-talkie full duplex? No! There are three modes. Simplex flows one way. Half duplex takes turns. Full duplex sends both ways at once. Remember. Walkie-talkie is half duplex. Phone call is full duplex.
This clip is from the full lesson: Data Communication: Components, Bandwidth and Transmission Modes — 7 minutes, with the tables, the quick answers and the whole lesson in text.
Useful for: CBSE Class 12 Computer Science (083), CBSE Class 11 Information Technology (802), Cambridge IGCSE Grade 9 Computer Science (0478), Cambridge IGCSE Grade 10 Computer Science (0478)
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Which transmission suits long distances?41 secDisclaimer. KwickAcademy is free study material for general learning and revision. Parts of it, including the voice-over, are produced with the help of AI tools and may contain errors; if you spot one, please tell us and we will correct it. Syllabus, marks and exam details follow the latest official board publications available to us, and boards can change them at any time, so always confirm against your board's official website and your school. Using this material does not guarantee any marks or result. Board names and trademarks belong to their owners; Kwickprep is not affiliated with or endorsed by any examination board. We never ask for passwords, OTPs or ID numbers. Your progress is saved only in this browser. Full disclaimer · Privacy