Phonograph or otherwise known as the record player.
That means that it is no longer able to perform with current technology. For example, you could not load Windows 7 on a 286 computer; that computer is obsolete.
obsolete technology
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Todays technology will be obsolete in a few years time.
It might make immobile technology obsolete.
No technology yet has made infrared technology obsolete.
Technology that is outdated (such as the 8-track) or no longer used at all (such as the telegraph).
The computer I bought two years ago is already obsolete. That is an obsolete design and you can't find parts for it any more.
You just get on an aeroplane and EAT
An example of an obsolete computer part is the Floppy Drive/ Floppy Disk.
3g phones are not considered obsolete. Technology changes so frequently that for an item to be considered obsolete it must be on the market for many years.
Look above. This question.