You will be given a trivia clue, and the category it belongs to. You should answer with the best answer that belongs in the category and is described by the clue. For simplicity, answers should be in all lower cased letters.

Category: THE SUPREME COURT
Clue: These 2 justices who graduated at the top of their classes were both first offered jobs as typists by the top law firms
ruth bader ginsburg & sandra day o'connor

Category: AMERICANA
Clue: Originally beardless, Uncle Sam got his chin whiskers from images depicting this real-life man
abraham lincoln

Category: COMPUTERS
Clue: In 2003 Dell made this computer part on its PCs an option; Apple had stopped including it on Macintoshes 5 years earlier
floppy disk drive