CS50's Understanding Technology 2017
Total watch time
5h 55m
at 1× speed · exactly 5 hours, 55 minutes, 15 seconds at 1×
| 1× | 5h 55m 15s |
|---|---|
| 1.25× | 4h 44m 12s |
| 1.5× | 3h 56m 50s |
| 1.75× | 3h 23m |
| 2× | 2h 57m 38s |
Plan to finish
About 6 days at an hour a day
Pick a daily pace and the days you'll watch. Ticked videos are skipped.
At one hour a day, every day, this playlist takes about 6 days. Turn on JavaScript to plan around your week.
Videos (6)
5h 55m in total · tick what you've watched
Tick videos you've watched — progress is saved in this browser.
| Watched | ||||
|---|---|---|---|---|
| 1 |
 Hardware - CS50's Understanding Technology 2017
|
59:04 | 2018-01-31 | |
| 2 |
 Internet - CS50's Understanding Technology 2017
|
51:50 | 2017-09-01 | |
| 3 |
 Multimedia - CS50's Understanding Technology 2017
|
39:08 | 2017-09-01 | |
| 4 |
 Security - CS50's Understanding Technology 2017
|
1:06:42 | 2017-09-01 | |
| 5 |
 Web Development - CS50's Understanding Technology 2017
|
1:09:47 | 2017-09-01 | |
| 6 |
 Programming - CS50's Understanding Technology 2017
|
1:08:44 | 2017-09-01 |
No videos match that filter.
Embed a badge
Show the watch time in a README or course description — it links back here and updates itself
[](https://playlistduration.com/playlist/PLhQjrBD2T382p8amnvUp1rws1p7n7gJ2p)<a href="https://playlistduration.com/playlist/PLhQjrBD2T382p8amnvUp1rws1p7n7gJ2p"><img src="https://playlistduration.com/badge/playlist/PLhQjrBD2T382p8amnvUp1rws1p7n7gJ2p.svg" alt="Watch time: 5h 55m · 6 videos" width="196" height="20"></a>Add ?speed=1.5 to the image URL for the time at that speed, ?label=Course to change the left text, or ?style=flat-square for square corners.
Want the numbers themselves? GET https://playlistduration.com/api/v1/playlist/PLhQjrBD2T382p8amnvUp1rws1p7n7gJ2p returns them as JSON — free, no key. API docs →
Data from the YouTube Data API as of 2026-09-22 (fresh). Private or deleted videos are excluded from totals.