lucy24 - 7:02 am on May 10, 2013 (gmt 0)
Whoops! New page. We'd got as far as baud vs. bps...
I went over and looked it up at w###. It gave me a headache, but along the way I was reminded of two other things my son has probably never heard of:
-- "soft bits" (I'm not sure I remember the term right) --copy protection that involved giving parts of the disk a sort of half-hearted charge so each time your device reads the sector it gets different values. If it's always the same, someone has copied the disk.
Not to be confused with read/write protection, which involved either cutting a notch in the side of the floppy disk-- no, no! its CASE! --or covering up an existing notch with a metallic stick-on thingie. Depending on whether you wanted to lock or unlock.
-- compression utilities that got rid of the 8th bit-- only on ASCII files, obviously-- so the end result was 7/8 the size it would be with ordinary compression.
Come to that, I remember the Apple //e had an 8th-bit switch. A physical switch somewhere at the back of the computer that let you use the bottom half of the 1-byte range (128 through 255).