Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP Posting-Version: version B 2.10.1 (Tek) 9/26/83; site tekig5.UUCP Path: utzoo!watmath!clyde!bonnie!akgua!whuxlm!harpo!decvax!tektronix!tekig5!johnbl From: johnbl@tekig5.UUCP (John Blankenagel) Newsgroups: net.micro Subject: Re: more cells than atoms? Message-ID: <31@tekig5.UUCP> Date: Thu, 20-Dec-84 11:38:25 EST Article-I.D.: tekig5.31 Posted: Thu Dec 20 11:38:25 1984 Date-Received: Sun, 23-Dec-84 01:14:44 EST Organization: Tektronix, Beaverton OR Lines: 13 > In discussing addresses larger than 32 bits, remember that those extra > bits pile up additional memory awfully fast. > To build a computer with 48-bit addresses and to give it 2**48 memory > cells, you would need more cells than there are atoms in the Earth. > Addresses bigger than 48 bits are probably not worthwhile, unless you > need a discontiguous (sparse) address space. Lets see. (2**48)*48=1.35E16. There are 2.15E22 atoms in a gram of silicon. So much for that theory.