(on a copy machine)
51Compact Disc and DVD copy protection — CD/DVD copy protection is a blanket term for various methods of copy protection for CDs and DVDs. Such methods include DRM, CD checks, Dummy Files, illegal tables of contents, over sizing or over burning the CD, physical errors, and bad sectors.… …
52C-52 (cipher machine) — The (Hagelin) C 52 and CX 52 were cipher machines manufactured by Crypto AG starting 1951/1952. These pin and lug type cipher machines were advanced successors of the C 38/M 209. The machine measures 8 1/2in times; 5 3/8in times; 4 3/8in. The… …
53Zero-copy — describes computer operations in which the CPU does not perform the task of copying data from one memory area to another.Zero copy versions of operating system elements such as device drivers, file systems, and network protocol stacks greatly… …
54carbon copy — ˌcarbon ˈcopy noun [countable] 1. a copy of a document made using carbon paper 2. be a carbon copy of something if something is a carbon copy of something else, it is very similar 3. cc COMPUTING a copy of an email message; ➔ Blind Carbon Copy …
55Photostat machine — The Photostat machine, or Photostat, was an early projection photocopier created in the 1900s by the Photostat Corporation; Photostat which was originally a trademark of the company is also used to refer to the similar machines produced by the… …
56Disk Copy — Developer(s) Apple Computer Stable release 10.2 Operating system System Software 6, System 7, Mac OS 8, Mac OS 9, Mac OS X v10.0, Mac OS X v10.1, Mac OS X v10.2 …
57Churchill Machine Tool Company — The Churchill Machine Tool Company Limited Type Machine Tool Manufacturer Industry Engineering Fate Taken over, liquidated …
58Vending machine — A vending machine made in 1952. A Best Buy Express vending m …
59M1919 Browning machine gun — Gun, Machine, Caliber .30, Browning, M1919A4 Type Medium machine gun Place of origin  United States …
60Extended Copy Protection — XCP redirects here. For other uses, see XCP (disambiguation). Extended Copy Protection (XCP) is a software package developed by the British company First 4 Internet, (which on 20 November 2006, changed its name to Fortium Technologies Ltd see… …
