Hot answers tagged


What I've heard from people who should know, is that it's simply a form of error checking, not error correction. The data is always read twice, but the second time it simply checks that the data read from the tape is what is already in RAM. Most other systems, even at that time, used a CRC to do the same job more efficiently. Of course, you can ...

Only top voted, non community-wiki answers of a minimum length are eligible