PC Upgrade and Repair Bible Desktop Edition phần 4 ppt
... technique — has to be standardized -27 -29 -31 -33 -35 -37 -39 -41 -43 -45 -47 -49 -51 -53 -55 Frequency Signal Level -57 -59 150 45 0 750 1050 1350 1650 1950 2250 2550 2850 3150 345 0 3750 Chapter 11 ... hours at 10 Mbps. Table 9 -4 DVD Video Capacity in Hours versus MPEG 2 Data Rate Single-Sided Capacity Double-Sided Capacity Data Rate (Mbps) 4. 7 8 .4 9 .4 17.0 4 2.67 Hou...
Ngày tải lên: 13/08/2014, 22:21
... gardening, reading, and shopping, and is a serious gourmet cook. The Presses are the authors of PC Upgrade and Repair Bible; Networking by Example; Teach Yourself PCs; and PC Toys: 14 Cool Projects ... interaction with your PC is through the display, and good display performance is critical for much of what you’ll do with your PC. x Preface PC Upgrade and Repair...
Ngày tải lên: 13/08/2014, 22:21
... [208.215.179. 146 ] with 32 bytes of data: Reply from 208.215.179. 146 : bytes=32 time=206ms TTL= 244 Reply from 208.215.179. 146 : bytes=32 time=225ms TTL= 244 Reply from 208.215.179. 146 : bytes=32 time=190ms ... IEEE 802.11b frequencies (so it’s cheaper) and IEEE 802.11a speed, you have the idea for IEEE 802.11g, which runs in the 2 .4 GHz band at speeds up to 54 Mbps. Standardized e...
Ngày tải lên: 13/08/2014, 22:21
PC Upgrade and Repair Bible Desktop Edition phần 7 ppt
... ability to use and communicate through the computer. ✦ Joysticks, game pads, and wheels can enhance gaming on the PC beyond the usual PC mouse -and- keyboard interface. 300 Part VI ✦ Multimedia and Peripherals Figure ... properly grounded, and that the adapter cards be properly supported and aligned with the connectors on the motherboard. Figure 21-1: The case supports the mothe...
Ngày tải lên: 13/08/2014, 22:21
PC Upgrade and Repair Bible Desktop Edition phần 2 pot
... next Handoff Get the operands Handoff Get the next operands Handoff Do the work Handoff Do the next work Put the answers where they belong Handoff And so on And so on And so on No pipelining – do all the work ... ✦ Processors and Motherboards Processors and Motherboards ✦✦✦✦ In This Part Chapter 4 Processors, Cache, and Memory Chapter 5 Buses, Chipsets, and Motherboards ✦✦✦✦ I...
Ngày tải lên: 13/08/2014, 22:21
PC Upgrade and Repair Bible Desktop Edition phần 3 pps
... the drive, but divide by 1,000,000,000 to convert to gigabytes, not 1,073, 741 ,8 24 (1,0 24 1,0 24 1,0 24) as do Windows and UNIX. A 200GB drive sold by the manufacturer will report as 186.26GB when ... disk manufacturer and depends on the physical design of the heads and the actua- tor mechanism that mounts and moves the heads. The lighter (and by implica- tion smaller) the heads...
Ngày tải lên: 13/08/2014, 22:21
PC Upgrade and Repair Bible Desktop Edition phần 6 docx
... stripping the PC down to bare essentials often doesn’t apply. The following questions and answers help highlight what can go wrong and suggest the approaches you can use to diagnose and repair the ... Rate (Kbps) per MB Hour Quality 8.00 4. 00 256.00 32.00 113 Telephone 11.03 5.51 352.96 23.22 155 22.05 11.03 705.60 11.61 310 44 .10 22.05 1 ,41 1.20 5.80 620 CD A 74- minute CD ho...
Ngày tải lên: 13/08/2014, 22:21
PC Upgrade and Repair Bible Desktop Edition phần 8 ppsx
... Projects for Home, Office, and Entertainment (Wiley 2003). Prior editions of the PC Upgrade and Repair Bible included descrip- tions of interesting uses people have for PCs, but those applications ... physical and communications security with mobile computing devices. ✦ Upgrades using standard interfaces, such as USB and PC Card, are less expensive and give you more options...
Ngày tải lên: 13/08/2014, 22:21
PC Upgrade and Repair Bible Desktop Edition phần 9 pps
... disks and CD-ROM, keyboard and mouse, and the floppy disk. 4. Adapter card initialization — There’s a BIOS on some other adapter cards (such as network adapters). The motherboard BIOS calls the 3 84 ... broadband connec- tion, we now recommend you use broadband to connect to the Internet, using an Ethernet port in your PC and a hardware router. That combination makes a modem useles...
Ngày tải lên: 13/08/2014, 22:21
PC Upgrade and Repair Bible Desktop Edition phần 10 ppsx
... 27–28 installing adapter card, 41 5 41 6 application, 41 9 42 0 motherboard, 40 2 40 3 processor, 40 4 40 7 Windows OS, 41 8 41 9 instant messaging, 2 34 Institute of Electrical and Electronics Engineers (IEEE), 160, 43 3 instruction ... 90–91 TWAIN, 3 24, 44 4 twisted-pair, 180–182, 44 4 type of connector, 343 “Typing Injury FAQ,” 295 U UART (Universal Asynchronous Receiver/Trans...
Ngày tải lên: 13/08/2014, 22:21