Can hardware became more obsolete?
Yes. Discrete 74 series TTL logic ICs were quite obsolete; CMOS versions replaced them. But now with new generations that are not level-compatible with the TTL versions, the TTL versions are even more obsolete.
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Yes. Discrete 74 series TTL logic ICs were quite obsolete; CMOS versions replaced them. But now with new generations that are not level-compatible with the TTL versions, the TTL versions are even more obsolete.