CompTIA A+ Complete Study Guide phần 2 pptx

... PC 320 0 20 0/400 8 DDR2 SDRAM PC2- 320 0 100/400 8 RDRAM PC800 400/800 4** * SDR SDRAM PC400 does not exist. ** Running in 32- bit dual-channel mode. 4831x.book Page 33 Tuesday, September 12, 20 06 ... these modules PC2- 320 0. The latency consideration, however, means that DDR’s PC 320 0 offering is preferable to DDR2’s PC2- 320 0. After reading the “RDRAM” section, con- sult Table 1 .2,...

Ngày tải lên: 14/08/2014, 20:20

... 16:9 128 0 × 720 4 ,29 4,967 ,29 6 WUXGA, 16:10 1 920 × 120 0 4 ,29 4,967 ,29 6 Quad XGA (QXGA) 20 48 × 1536 4 ,29 4,967 ,29 6 WQXGA, 16:10 25 60 × 1600 4 ,29 4,967 ,29 6 WQUXGA, 16:10 3840 × 24 00 4 ,29 4,967 ,29 6 WHUXGA, ... × 480 16 320 × 20 0 25 6 SuperVGA (SVGA) 800 × 600 16 Extended Graphics Array (XGA) 1, 024 × 768 25 6 Super XGA (SXGA) 128 0 × 1 024 4 ,29 4,967 ,29 6 Ultra XGA...

Ngày tải lên: 10/08/2014, 12:21

... PC2700, PC 320 0, DDR2, and so forth. Current DDR and DDR2 technologies allow you to get SoDIMMS up to 2GB in size. FIGURE 3 .2 144-pin SoDIMM 4831xc03.fm Page 146 Thursday, September 14, 20 06 ... millimeters (2. 6 inches) long and 32 millimeters (1 .25 inches) tall. SoDIMMs are available in a variety of configurations, including 32- bit ( 72- pin) and 64-bit (144-pin EDO, 144-pin...

Ngày tải lên: 14/08/2014, 20:20

... Page 5 52 Tuesday, September 12, 20 06 11:59 AM 5 32 Chapter 10  Identifying Safety and Environmental Issues Identifying Environmental Concerns It is estimated that more than 25 percent ... computer, printer, monitor, etc. 4831x.book Page 563 Tuesday, September 12, 20 06 11:59 AM THE FOLLOWING COMPTIA A+ IT TECHNI- CIAN EXAM OBJECTIVES ARE COVERED IN THIS CHAPTER: ...

Ngày tải lên: 14/08/2014, 20:20

... August 23 , 20 07 5:30 PM Introduction Welcome to the CompTIA A+ Complete Study Guide. This is the fourth edition of our best- selling study guide for the A+ certification sponsored by CompTIA ...  Telephone, laptop, desktop computer, printer, monitor, etc. The A+ IT Technician (22 0-6 02) Exam Objectives The CompTIA A+ 22 0-6 02 exam is targeted at peop...

Ngày tải lên: 10/08/2014, 12:20

... resolution noted like this: 1 024 × 768 or 128 0 × 1 024 . At 1 024 × 768, the screen will display 768 rows of pixels 1 024 columns wide, for a total of 786,4 32 pixels. At 128 0 × 1 024 , the number of pixels ... support D. All of the above 4830c02new.fm Page 1 32 Thursday, August 23 , 20 07 5:43 PM Chapter 3 Understanding Laptops and Portable Devices THE FOLLOWING COMPTIA...

Ngày tải lên: 10/08/2014, 12:21

... yellow, and black). 4831x.book Page 3 62 Tuesday, September 12, 20 06 11:59 AM Identifying Windows File-Related Problems 323 condition that occurs when Windows 20 00/XP fails to boot properly or quits ... blue-screen error 4831xc06.fm Page 322 Wednesday, September 13, 20 06 7:46 PM 3 52 Chapter 6  Identifying Operating System Troubleshooting and Diagnostic 13. In Windows 20 00, NTD...

Ngày tải lên: 10/08/2014, 12:21

... workstations  Resources 4831x.book Page 428 Tuesday, September 12, 20 06 11:59 AM 448 Chapter 8  Networking Fundamentals  A value of 1 92 through 22 3 is a Class C address. The first three octets ... workstations. 4831x.book Page 422 Tuesday, September 12, 20 06 11:59 AM  Broadband (e.g. DSL, cable, satellite)  Dial-up  Wireless (all 8 02. 11)  VoIP  5 .2 Instal...

Ngày tải lên: 10/08/2014, 12:21

... Ω ) per volt. For example, to discharge a 22 5-volt capacitor, you would use a 22 .5k Ω resistor (22 5 volts times 100 Ω = 22 ,500 Ω or 22 .5 k Ω ). The Printer If you’ve ever ... 110 volts. Welders use only 110 (sometimes 22 0) volts, but they also use anywhere from 50 to 20 0 amps! 4831x.book Page 528 Tuesday, September 12, 20 06 11:59 AM 534 Chapter 10...

Ngày tải lên: 10/08/2014, 12:21

... Windows 20 00/XP. Exercise 12. 9 guides you through investigating your system resources. TABLE 12. 3 I/O Addresses Port I/O Address COM1 03F8–03FF COM2 02F8–02FF COM3 03E8–03EF COM4 02E8–02EF LPT1 ... swap AC adapter) 4831xc13.fm Page 6 32 Wednesday, September 13, 20 06 7:49 PM 4831xc13.fm Page 6 62 Wednesday, September 13, 20 06 7:49 PM 624 Chapter 12  Working with Personal Comp...

Ngày tải lên: 10/08/2014, 12:21