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  • ChaoticNeutralCzech@feddit.orgtoPeople Twitter@sh.itjust.worksYour estimated net worth
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    6 hours ago

    Around 2010 but cheap. I still use it though, the browser built for 2G has very low data usage that goes well with my free 1 MB/day plan (mobile data is expensive in my country). The most annoyingly limiting factor right now is SMS memory (around 50 and just 1 draft that gets lost if it gets full), so I got in the habit of deleting every 2FA code etc. as soon as I use it.

    By the way, Nokia 3410 (2001) had like 1 MB of user flash, but still only about 30 events and 100 messages because the “partitions” were fixed, and 20 Java apps (up to 50 kB each) was somehow more important than 10 000 events and 5000 messages. Most users would welcome the latter of course (plus a search feature, it gets tedious with the buttons if you have 100 and only see the sender and ✉️/📂/📨 icon in the list).










  • ChaoticNeutralCzech@feddit.orgtomemes@lemmy.worldYou're really old if you remember this
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    16 hours ago

    Look up how a CRT works. As the beam draws picture fields, it moves downwards across the screen driven by a 59.94Hz sawtooth wave. The generator of this sawtooth wave needs to be synced to the vertical blanking interval between fields. “Vertical hold” refers to how long the oscillator waits before the window in which it can accept the sync pulse. Too soon and the picture scrolls down, too late and the picture scrolls up (however, slightly too late, as long as 1/59.94 seconds is still within the window, is fine and the picture can stabilize after one slow scroll up).

    Seeing almost two copies of the picture means V-Hold is very late and the vertical oscillator is running way too slow. About 30-40 Hz, very flickery to the person taking the picture!