Rosewill Computer Case 422 Technical Information Seite 129
- Seite / 150
- Inhaltsverzeichnis
- FEHLERBEHEBUNG
- LESEZEICHEN
Bewertet. / 5. Basierend auf Kundenbewertungen
940
PBs (petabytes)
PBs (petabytes), 46
PC Card/ExpressBus drives, 358
PC Cards, 75, 709
PCI (Peripheral Component Inter-
connect), 67
PCI bus speed, 51
PCI expansion slots, 67-69
PCI Express. See PCIe slots
PCI interrupts, 105
PCI slots
bus bandwidth comparisons, 72
configuring, 99
PCIe, compared, 71
PCIe (PCI Express), 70
PCIe bus speed, 51
PCIe slots, 70-73, 99
PCIe video cards, power
consumption, 152
PCI-X bus, 68
PCMCIA (Personal Computer
Memory Card International
Association), 75
PCs (personal computers), 6
components, 6
memory, 10
optical drives, 7
types, 6
web cams, accessing, 359
PCX (Microsoft Paintbrush)
extension, 485
PDF extension, 485
PDF (Portable Document Format),
356
PDSL (Power line DSL), 706
peer-to-peer LANs, 729-731
Pentium/Mobile Intel processors, 49
performance
evaluating, 682
memory, upgrading, 225
monitoring with Performance
Monitor, 683-685
RAM, 203
software, troubleshooting, 226
system, monitoring, 624
video, 404
Windows 7, 685-686
Performance Log Users group, 825
Performance Monitor utility,
Windows XP, 683-685
Performance tab (Task Manager),
223
Performance utility, memory,
223-224
Peripheral Component Intercon-
nect. See PCI
peripherals, configuring, 99
permissions, 827
effective, 832
inherited, 831
NTFS, 827-831
shared folder, 827-830
Windows help, 832
personal area networks. See PANs
Personal Computer Memory Card
International Association
(PCMCIA). See PC Cards
personal computers. See PCs
petabytes (PBs), 46
PGA (pin grid array) sockets, 57
phage viruses, 586
Phenom AMD processors, 49
phishing, 841
reporting, 843
Phoenix BIOS audio beeps, 187
Phone and Modem Options control
panel, 521
phone filters, 707
phone line isolators, 161
phone line limits, 701
phone skills (technicians), 305
physical access
locking computers, 816
security, 812
physical address extension (PAE),
223
physical layer (OSI model), 745
physical security, 813-814
biometrics, 815
laptops, 817
real-world applications, 816
pickup rollers (laser printers), 414
pin 1 (cables), 125
pin grid array (PGA) sockets, 57
pinch gesture, 482
ping command, 511, 772-774
pinning applications (Start menu),
534
pins (motherboards), configuring,
94
pipelines (processors), 48
pixels
dead, LCDs, 387
defined, 381
displays, number determining,
385
response rate, LCDs, 387
Plain Old Telephone Service
(POTS), 783
plan of action (troubleshooting),
191
planars. See motherboards
plane to line switching (PLS), 388
planning memory installations
amount of memory needed,
determining, 209-211
buying, 216-217
memory features, 207-209
mobile devices, 207
module type amounts, deter-
mining, 212-215
researching, 216-217
technologies, 205-206
plasma, defined, 381
plastic parts, removing from lap-
tops, 130
plastic pin grid array (PPGA) sock-
ets, 57
platters (hard drives), 253
plenum cables, 735
PLS (plane to line switching), 388
plug and play devices, installing,
600-602
plug and play (PnP), 109
PNG (Microsoft Paint) extension,
485
PNG (Portable Network Graphics),
356
PnP (plug and play), 109
PoE (power over Ethernet), 754
Point of Presence (POP), 776
Point-to-Point protocol (PPP), 783
polarity, 135-136
policies
group, viewing, 507
local, controlling passwords,
826
security, 812
- Guide to PCs 2
- Complete CompTIA 3
- Contents at a Glance 4
- Contents 10
- Contents 11
- About the Author 19
- Dedication 20
- Acknowledgments 20
- We Want to Hear from You! 21
- Reader Services 21
- It Pays to Get Certified 22
- CompTIA Career Pathway 23
- Steps to Certication 23
- Content Seal of Quality 24
- Why CompTIA? 24
- Introduction 25
- Organization of the Text 26
- Features of This Book 27
- IT work 31
- CompTIA A+ Exam Objectives 32
- CompTIA Exam Objectives 33
- Disassembly 36
- Disassembly Overview 37
- Electrostatic Discharge (ESD) 37
- Opening the Case 41
- Cables and Connectors 41
- Snug connections 43
- Storage Devices 45
- Motherboards 46
- Mobile Device Issues 47
- Reassembly 49
- Preventive Maintenance 49
- Basic Electronics Overview 51
- Electronics Terms 51
- Good connection Broken wire 53
- Power Supply Overview 54
- Power Supply Form Factors 55
- Tech Tip 56
- Purposes of a Power Supply 58
- Power Supply Voltages 60
- Mobile Device Power 61
- Keep Li-ion batteries cool 63
- Power Interface) 64
- Windows power management 65
- Watch the wattage 68
- Solving Power Supply Problems 70
- Adverse Power Conditions 71
- Adverse Power Protection 72
- Surge Protectors 72
- Line Conditioners 74
- Figure 4.32 Line conditioner 75
- Figure 4.33 Sine wave and 75
- Standby Power Supply (SPS) 77
- Electrical Fires 78
- Computer Disposal/Recycling 79
- Chapter Summary 81
- Review Questions 82
- Exercises 85
- External Cables 86
- Computer Case Removal 86
- Adapter Placement 86
- Motherboard 88
- Lab 4.3 Amps and Wattage 89
- Lab 4.4 Continuity Check 89
- Lab 4.5 Pin-Out Diagramming 90
- Lab 4.6 Fuse Check 91
- Lab 4.7 Using a Multimeter 91
- Figure 4.38 AC outlet 93
- GND to hot 120VAC 93
- GND to neutral 0VAC 93
- Hot to neutral 120VAC 93
- +5 volts 95
- +12 volts 95
- Activities 97
- Critical Thinking Skills 99
- A+ Certification Exam Tips 99
- Complete PC Restore tool 107
- FireWire 114
- IRQs (Interrupt Requests) 120
- PBs (petabytes) 129
- Setup program 136
- SSDs (solid state drives) 138
- SSDs (solid state drives) 139
- TBs (terabytes) 140
- troubleshooting 143
- video 145
- Windows 147
- Windows Vista 148
- Windows Vista 149
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