Tài liệu PC Magazine - 2008 12 pptx
Tài liệu PC World Hardware Tips pptx
... Keyboards, mice, and other low-power USB devices use 25 mA to 40 mA and run well on a 100-mA port of a bus-powered hub. More-demanding de- vices need to use a self-powered hub. FIGURE 2: USB ... big dif- ference with printers, scan- ners, and other data-hungry peripherals. Portability: All USB devices can be hot- swapped, which means that you can plug a piece of hardware into your PC, ......
Ngày tải lên: 10/12/2013, 14:15
Tài liệu PC Magazine - 2008_03 ppt
... INTERNET, service.pcmag.com (for customer service) or subscribe.pcmag.com (to order); TELEPHONE, 80 0-2 8 9-0 429 or 38 6-5 9 7-4 372 in the U.S. and Canada, 38 6-5 9 7-4 370 elsewhere; MAIL, PC Magazine, ... Internet address pcmag@ziffdavis .com or to PC Magazine, 28 E. 28th St., New York, NY 1001 6-7 940. Please include a daytime telephone number. PC Magazin...
Ngày tải lên: 20/12/2013, 21:16
Tài liệu Physics exercises_solution: Chapter 12 pptx
... (12. 19), kg.1098.1 d))s1064.8d)(7.224(()kgmN10673.6( m)1008.1(44 30 242211 3 112 2 32 S GT r m 12. 35: a) The result follows directly from Fig. 12. 18. b) m)1092.5)(248.01( 12 m,1045.4 12 y.248c) m.104.55m)1050.4)(010.01( 121 2 T 12. 36: ... result. 12. 3: . )( ))(( 12 2 12 21 2 12 21 F r mm G nr nmnm G 12. 4: The separation of the centers...
Ngày tải lên: 21/12/2013, 03:15