Mark Ransom
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Historical price of ROM
11 votes

You can get a sampling of prices for EPROMs the hard way, by checking ads from electronics magazine archives. For example on page 116 of Popular Electronics Jan. 1977 you can see the 1702A 2K(bit) ...

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Why did the IBM PC have an internal power supply?
5 votes

The earliest personal computers of the 1970's, including the Altair 8800, had built in power supplies. The power supplies were often oversized to allow expansion boards to be added to the system. As ...

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