Another common form of memory in old computers was the mercury delay line. I almost didn’t include it here because it really isn’t random access. However, many old computer systems used it ...

Memory problems can cause your computer to lose information or stop ... If you recently installed a new RAM or even if you have an old RAM, it is better to check it physically.

Green means your computer is efficiently using its ... there’s some bad news unless you have a pretty old model. Apple ...

A PROM, two RAM chips, A 6821 PIA ... but he found the old boards and decided to recreate it on a breadboard. Like many computers of the day, the machine had a cassette interface.