3 ms·

It was a very common thing until the world settled into PC vs Mac for the most purposes, until tablets and phones came to be.

• hollerith 5mo ago
  No, it was the common thing till the introduction in the 1960s of the IBM 360 line of computers (which shared the same instruction set and operating systems).
  • pjmlp 5mo ago
    I mean hardware vendors having multiple products with different architectures.