CompTIA A+ 220-801 and 220-802 Authorized Cert Guide, Deluxe Edition is a best-of-breed exam study guide. This bundle also includes MyITCertificationLab, which makes studying more efficient and effective for every student, using Dynamic Study Modules. Dynamic Study Modules leverage research from the fields of cognitive psychology, neurobiology and game studies to deliver a uniquely-effective learning system. Best-selling authors Mark Soper, David Prowse and Scott Mueller share their preparation hints and test-taking tips, helping students identify areas of weakness and improve both their conceptual knowledge and hands-on skills. Material is presented in a concise manner, focusing on increasing students understanding and retention of exam topics.
Product Description
MyITCertificationlabs should be used in an instructor led classroom environment and are not intended for individual self-study
Learn, prepare, and practice for CompTIA A+ 220-801 and 220-802 exam success with this CompTIA Authorized Cert Guide, Deluxe Edition with MyITCertificationLab with Pearson eText Bundle from Pearson IT Certification, a leader in IT Certification learning and a CompTIA Authorized Platinum Partner.
Master CompTIA A+ 220-801 and 220-802 exam topics
Assess your knowledge with chapter-ending quizzes
Review key concepts with exam-preparation tasks
Practice with realistic exam questions on the DVD
4-color interior and additional Deluxe Edition bonus features
More than one hour of A+ how-to hardware videos
For educators, Dynamic Study Modules offer a robust reporting dashboard that delivers key analytics on learner data, so it’s easy to adjust curricula
For educators, Dynamic Study Modules offer a robust reporting dashboard that delivers key analytics on learner data, so it’s easy to adjust curricula
CompTIA A+ 220-801 and 220-802 Authorized Cert Guide, Deluxe Edition is a best-of-breed full-color study guide. Best-selling authors and expert instructors Mark Soper, Scott Mueller, and David Prowse help you master all the topics you need to know to succeed on your CompTIA 220-801 and 220-802 exams and move into a successful career as an IT technician. The Deluxe Edition is ideal for the classroom and self-study and includes bonus content such as more than 1 hour of A+ how-to hardware videos, an Exam Objectives Table on the inside front cover for easy navigation by chapter, a full Objectives index for each exam, and a Master List of Topics, each of which give you the page number where the objective/topic can be found.
Pearson’s MyITCertificationLabs make studying more efficient and more effective for every student with Dynamic Study Modules. Dynamic Study Modules work by continuously assessing student performance and activity, then using data and analytics to provide personalized content in real-time to reinforce concepts that target each student’s particular strengths and weaknesses.
Every feature of this book is designed to support both efficient exam preparation and long-term mastery:
Includes coverage of the new performance-based questions
Exam objectives summary and index make it easier than ever to find what you’re looking for and track what you’ve learned
Master List of Key Topics gives you quick access to the most important topics you’ll need to know to ace both A+ exams
Opening topics lists define the topics you’ll need to learn in each chapter, including a list of the official exam objectives covered in that chapter
Exam preparation tasks include reviewing key topics, completing memory tables, defining key terms, working through scenarios, and answering review questions–all designed to help you go beyond simple facts to make sure you master concepts crucial to both passing the exam and enhancing your career
Key terms defined in a complete glossary explain all the field’s essential terminology
The companion DVD contains the powerful Pearson IT Certification Practice Test Engine, four complete exams with access to a large library of exam-realistic questions. This state-of-the-art assessment engine offers you a wealth of customization options and reporting features to help you study more efficiently. Use step-by-step Study Mode or run a powerful exam simulation that mimics actual exam conditions. Whenever you want, get a complete assessment of your current knowledge, so you can focus scarce study time where you need it most The DVD also includes more than one hour of A+ how-to hardware videos, sample beep codes to help you learn about these valuable troubleshooting tools, memory tables, a master Key Topics list, and the glossary, all in searchable PDF format, plus the objective index which enables you to find the exact chapter/pages where a given objective is covered.
Well-regarded for its level of detail, assessment features, and challenging review questions and exercises, this CompTIA authorized study guide helps you master the concepts and techniques that will enable you to succeed on the exam the first time.
The CompTIA authorized study guide helps you master all the topics on the A+ exam, including
Motherboards, processors, RAM, and BIOS
Power supplies and system cooling
I/O, input ports, and devices
Video displays and video cards
Customized PCs
Laptops and mobile devices
Printers
Storage devices
Installing, using, and troubleshooting Windows
Virtualization
Networking
Security
Operational procedures and communications methods
Companion DVD
The DVD contains four free, complete practice exams, A+ how-to hardware videos, beep codes, memory tables, an objectives index, master list of topics, and a glossary.
Includes Exclusive Offer for 70% Off Premium Edition eBook and Practice Test
Pearson IT Certification Practice Test minimum system requirements:
Windows XP (SP3), Windows Vista (SP2), or Windows 7; Microsoft .NET Framework 4.0 Client; Pentium class 1GHz processor (or equivalent); 512 MB RAM; 650 MB disc space plus 50 MB for each downloaded practice exam
Features + Benefits
Master all the A+ exam topics in this comprehensive learning and preparation guide, fully updated for new objectives
Gain a real-world understanding of how to apply your knowledge, and use the book as a workplace reference guide
DVD contains four sample exams and extensive training videos
Learn from the all-time best-selling author on the topic, Scott Mueller, whose Upgrading and Repairing PC series of books has sold more than 2 million copies
Pearson’s MyITCertificationLabs make studying more efficient and more effective for every student with Dynamic Study Modules
For educators, Dynamic Study Modules offer a robust reporting dashboard that delivers key analytics on learner data, so it’s easy to adjust curricula
Introduction
Chapter 1 Technician Essentials and PC Anatomy 101 3
The Essential Parts of Any Computer 4
Front and Rear Views of a Desktop PC 5
All Around a Notebook (Laptop) Computer 7
Quick Reference to PC Components 8
Hardware, Software, and Firmware 9
Hardware 10
Software 10
Firmware 11
Why Hardware, Software, and Firmware Are Important to Understand 11
Points of Failure 11
Points of Failure on a Desktop Computer 12
Points of Failure on a Notebook Computer 13
The CompTIA Six-Step Troubleshooting Process 14
PC Tools 15
Basic Tools for Assembly/Disassembly of Computers 15
ESD Protection 16
System and Electrical Testing Tools 16
Network Installation and Configuration Tools 17
Printer Maintenance Tools 18
Important Websites 18
Review All the Key Topics 19
Complete the Tables and Lists from Memory 19
Define Key Terms 19
Complete Hands-On Labs 19
Lab 1-1: Determine the External Equipment Available on a Desktop or Laptop Computer 20
Lab 1-2: Determine the Tool(s) to Use for Performing Specified Service on a PC 21
Answer Review Questions 21
Answers to Hands-On Labs 24
Lab 1-1: Determine the external equipment available on a desktop or laptop computer. 24
Lab 1-2: Determine the tool(s) to use for performing specified service on a PC. 26
Answers and Explanations to Review Questions 26
Chapter 2 Motherboards and Processors 29
Motherboards and Their Components 30
Form Factors 31
Integrated I/O Ports 33
Memory Slots 35
Expansion Slots 36
Chipset Components 42
Jumpers and Jumper Blocks 44
Fan Connectors 44
Audio Connectors 45
Front-Panel Connectors 46
Installing Motherboards 48
Step-by-Step Motherboard Removal 48
Preparing the Motherboard for Installation 50
Step-by-Step Motherboard Installation 51
Troubleshooting Motherboards 52
Unexpected Shutdowns 52
Continuous Reboots (Power Supply and BSOD Problems) 53
BIOS Time and Settings Resets 53
System Lockups 54
POST Code Beeps at Startup 54
Blank Screen on Bootup 54
Smoke or Burning Smells 55
System Will Not Start 55
Processors and CPUs 58
Overview of Processor Differences 58
Intel Processors 58
AMD Processors 64
CPU Technologies 69
Hyperthreading (HT Technology) 70
Multicore 70
Cache 70
Bus Speeds 71
Overclocking 72
32-bit Versus 64-bit Architecture 73
Virtualization Support 73
Integrated GPU 74
CPU Cooling 74
Passive and Active Heat Sinks 75
Liquid Cooling Systems 76
Review All the Key Topics 78
Complete the Tables and Lists from Memory 79
Define Key Terms 79
Complete Hands-On Lab 79
Lab 2-1: Determine Available USB Ports, Locations, and Types 79
Lab 2-2: Determine Smallest Form Factor Suitable for a New PC 80
Answer Review Questions 80
Answers to Hands-On Lab 82
Lab 2-1: Determine Available USB Ports, Locations, and Types 82
Lab 2-2: Determine Smallest Form Factor Suitable for a New PC 83
Answers and Explanations to Review Questions 83
Chapter 3 BIOS 85
Understanding BIOS, CMOS, and Firmware 86
Configuring the System BIOS 89
Accessing the BIOS Setup Program 89
UEFI and Traditional BIOS 91
BIOS Settings Overview 92
Automatic Configuration of BIOS/CMOS Settings 95
Main Menu 96
Standard Features/Settings 96
System Information 98
Boot Settings and Boot Sequence 98
Integrated Ports and Peripherals 100
Power Management 104
PnP/PCI Configurations 105
Hardware Monitor 105
Processor and Memory Configuration 106
Virtualization Support 106
Security Features 108
Exiting the BIOS and Saving/Discarding Changes 109
Power-On Self Test (POST) and Error Reporting 110
Beep Codes 111
POST Error Messages 112
POST Hex Codes 112
BIOS Updates 114
Flash BIOS Update 115
BIOS Chip Replacement 118
Review All the Key Topics 120
Complete the Tables and Lists from Memory 120
Define Key Terms 121
Complete Hands-On Labs 121
Lab 3-1: Disable Onboard Audio 121
Lab 3-2: Check Fan and Voltage Levels 121
Answer Review Questions 122
Answers to Hands-On Labs 125
Lab 3-1: Disable Onboard Audio 125
Lab 3-2: Check Fan and Voltage Levels 125
Answers and Explanations to Review Questions 125
Chapter 4 Power Supplies and System Cooling 129
Power Supplies 130
Power Supply Ratings 130
Multivoltage Power Supplies 133
Power Supply Form Factors and Connectors 135
Removing and Replacing the Power Supply 139
Troubleshooting Power Supplies 141
Overloaded Power Supplies–Symptoms and Solutions 141
Loud Noises from the Power Supply 142
Finding Solutions to a “Dead” System 143
Overheating 144
Fans Turn But System Doesn’t Start 149
Testing Power Supplies and Other Devices with a Multimeter 149
Avoiding Power Supply Hazards 154
Power Protection Types 155
Surge Suppressors 156
Battery Backup Units (UPS and SPS) 158
Buying the Correct-Sized Battery Backup System 159
Power-Conditioning Devices 160
System Cooling 161
Northbridge and Southbridge Chips and Voltage Regulators 161
Video Card Cooling 163
Case Fans 163
Thermal Compound 164
Review All the Key Topics 167
Complete the Tables and Lists from Memory 168
Define Key Terms 168
Complete Hands-On Lab 168
Lab 4-1: Check Power Supply Voltages 168
Lab 4-2: Check for Airflow Problems Inside the System 168
Answer Review Questions 169
Answers to Hands-On Lab 172
Lab 4-1: Check Power Supply Voltages 172
Lab 4-2: Check for Airflow Problems Inside the System 172
Answers and Explanations to Review Questions 173
Chapter 5 R AM 177
RAM Basics 178
Memory Modules 180
DRAM 180
SRAM 181
SDRAM 181
DDR SDRAM 181
DDR2 SDRAM 182
DDR3 SDRAM 182
Rambus 183
Operational Characteristics 184
Comparison of Memory Modules 184
Memory Module Width 185
Parity and Non-Parity Memory 185
ECC and Non-ECC Memory 187
Registered and Unbuffered Memory 188
Single-Sided and Double-Sided Memory 188
Installing Memory Modules 189
Troubleshooting Memory 192
Verifying RAM Compatibility 192
Overclocking Can Lead to System Instability 192
Use Caution When Mismatching RAM Speeds 193
“Parity Error - System Halted” Message 194
RAM-Sizing Errors at Bootup 194
Determining Whether Cache RAM Is the Source of a Memory Problem 195
Other Methods for RAM Testing 195
Preventative Maintenance for Memory 196
Review All the Key Topics 197
Complete the Tables and Lists from Memory 197
Define Key Terms 197
Complete Hands-On Labs 198
Lab 5-1: Select and Install the Correct RAM 198
Answer Review Questions 199
Answers to Hands-On Labs 202
Lab 5-1: Select and Install the Correct RAM 202
Answers and Explanations to Review Questions 203
Chapter 6 I/O and Input Ports and Devices 207
Introduction to I/O Ports 208
USB 209
USB Port Types, Speeds, and Technical Details 209
Adding USB Ports 213
Troubleshooting USB Ports and Devices 215
IEEE-1394 (FireWire) 218
IEEE 1394 Ports and Cables 218
IEEE 1394—Compatible Devices 219
Installing an IEEE 1394 Card 220
Troubleshooting IEEE 1394 Ports and Devices 220
SCSI 221
CompTIA A+ 220-801 and 220-802 Authorized Cert Guide, Deluxe Edition is a best-of-breed exam study guide. This bundle also includes MyITCertificationLab, which makes studying more efficient and effective for every student, using Dynamic Study Modules. Dynamic Study Modules leverage research from the fields of cognitive psychology, neurobiology and game studies to deliver a uniquely-effective learning system. Best-selling authors Mark Soper, David Prowse and Scott Mueller share their preparation hints and test-taking tips, helping students identify areas of weakness and improve both their conceptual knowledge and hands-on skills. Material is presented in a concise manner, focusing on increasing students understanding and retention of exam topics.
Bei diesem Produkt handelt es sich um ein Bundle, bestehend aus einem Buch und einem digitalen Mehrwert.
Deshalb wird dieses Produkt auf der Rechnung mit 19% MwSt ausgewiesen.
Product Description
MyITCertificationlabs should be used in an instructor led classroom environment and are not intended for individual self-study
Learn, prepare, and practice for CompTIA A+ 220-801 and 220-802 exam success with this CompTIA Authorized Cert Guide, Deluxe Edition with MyITCertificationLab with Pearson eText Bundle from Pearson IT Certification, a leader in IT Certification learning and a CompTIA Authorized Platinum Partner.
Master CompTIA A+ 220-801 and 220-802 exam topics
Assess your knowledge with chapter-ending quizzes
Review key concepts with exam-preparation tasks
Practice with realistic exam questions on the DVD
4-color interior and additional Deluxe Edition bonus features
More than one hour of A+ how-to hardware videos
For educators, Dynamic Study Modules offer a robust reporting dashboard that delivers key analytics on learner data, so it’s easy to adjust curricula
For educators, Dynamic Study Modules offer a robust reporting dashboard that delivers key analytics on learner data, so it’s easy to adjust curricula
CompTIA A+ 220-801 and 220-802 Authorized Cert Guide, Deluxe Edition is a best-of-breed full-color study guide. Best-selling authors and expert instructors Mark Soper, Scott Mueller, and David Prowse help you master all the topics you need to know to succeed on your CompTIA 220-801 and 220-802 exams and move into a successful career as an IT technician. The Deluxe Edition is ideal for the classroom and self-study and includes bonus content such as more than 1 hour of A+ how-to hardware videos, an Exam Objectives Table on the inside front cover for easy navigation by chapter, a full Objectives index for each exam, and a Master List of Topics, each of which give you the page number where the objective/topic can be found.
Pearson’s MyITCertificationLabs make studying more efficient and more effective for every student with Dynamic Study Modules. Dynamic Study Modules work by continuously assessing student performance and activity, then using data and analytics to provide personalized content in real-time to reinforce concepts that target each student’s particular strengths and weaknesses.
Every feature of this book is designed to support both efficient exam preparation and long-term mastery:
Includes coverage of the new performance-based questions
Exam objectives summary and index make it easier than ever to find what you’re looking for and track what you’ve learned
Master List of Key Topics gives you quick access to the most important topics you’ll need to know to ace both A+ exams
Opening topics lists define the topics you’ll need to learn in each chapter, including a list of the official exam objectives covered in that chapter
Exam preparation tasks include reviewing key topics, completing memory tables, defining key terms, working through scenarios, and answering review questions–all designed to help you go beyond simple facts to make sure you master concepts crucial to both passing the exam and enhancing your career
Key terms defined in a complete glossary explain all the field’s essential terminology
The companion DVD contains the powerful Pearson IT Certification Practice Test Engine, four complete exams with access to a large library of exam-realistic questions. This state-of-the-art assessment engine offers you a wealth of customization options and reporting features to help you study more efficiently. Use step-by-step Study Mode or run a powerful exam simulation that mimics actual exam conditions. Whenever you want, get a complete assessment of your current knowledge, so you can focus scarce study time where you need it most The DVD also includes more than one hour of A+ how-to hardware videos, sample beep codes to help you learn about these valuable troubleshooting tools, memory tables, a master Key Topics list, and the glossary, all in searchable PDF format, plus the objective index which enables you to find the exact chapter/pages where a given objective is covered.
Well-regarded for its level of detail, assessment features, and challenging review questions and exercises, this CompTIA authorized study guide helps you master the concepts and techniques that will enable you to succeed on the exam the first time.
The CompTIA authorized study guide helps you master all the topics on the A+ exam, including
Motherboards, processors, RAM, and BIOS
Power supplies and system cooling
I/O, input ports, and devices
Video displays and video cards
Customized PCs
Laptops and mobile devices
Printers
Storage devices
Installing, using, and troubleshooting Windows
Virtualization
Networking
Security
Operational procedures and communications methods
Companion DVD
The DVD contains four free, complete practice exams, A+ how-to hardware videos, beep codes, memory tables, an objectives index, master list of topics, and a glossary.
Includes Exclusive Offer for 70% Off Premium Edition eBook and Practice Test
Pearson IT Certification Practice Test minimum system requirements:
Windows XP (SP3), Windows Vista (SP2), or Windows 7; Microsoft .NET Framework 4.0 Client; Pentium class 1GHz processor (or equivalent); 512 MB RAM; 650 MB disc space plus 50 MB for each downloaded practice exam
Features + Benefits
Master all the A+ exam topics in this comprehensive learning and preparation guide, fully updated for new objectives
Gain a real-world understanding of how to apply your knowledge, and use the book as a workplace reference guide
DVD contains four sample exams and extensive training videos
Learn from the all-time best-selling author on the topic, Scott Mueller, whose Upgrading and Repairing PC series of books has sold more than 2 million copies
Pearson’s MyITCertificationLabs make studying more efficient and more effective for every student with Dynamic Study Modules
For educators, Dynamic Study Modules offer a robust reporting dashboard that delivers key analytics on learner data, so it’s easy to adjust curricula
Introduction
Chapter 1 Technician Essentials and PC Anatomy 101 3
The Essential Parts of Any Computer 4
Front and Rear Views of a Desktop PC 5
All Around a Notebook (Laptop) Computer 7
Quick Reference to PC Components 8
Hardware, Software, and Firmware 9
Hardware 10
Software 10
Firmware 11
Why Hardware, Software, and Firmware Are Important to Understand 11
Points of Failure 11
Points of Failure on a Desktop Computer 12
Points of Failure on a Notebook Computer 13
The CompTIA Six-Step Troubleshooting Process 14
PC Tools 15
Basic Tools for Assembly/Disassembly of Computers 15
ESD Protection 16
System and Electrical Testing Tools 16
Network Installation and Configuration Tools 17
Printer Maintenance Tools 18
Important Websites 18
Review All the Key Topics 19
Complete the Tables and Lists from Memory 19
Define Key Terms 19
Complete Hands-On Labs 19
Lab 1-1: Determine the External Equipment Available on a Desktop or Laptop Computer 20
Lab 1-2: Determine the Tool(s) to Use for Performing Specified Service on a PC 21
Answer Review Questions 21
Answers to Hands-On Labs 24
Lab 1-1: Determine the external equipment available on a desktop or laptop computer. 24
Lab 1-2: Determine the tool(s) to use for performing specified service on a PC. 26
Answers and Explanations to Review Questions 26
Chapter 2 Motherboards and Processors 29
Motherboards and Their Components 30
Form Factors 31
Integrated I/O Ports 33
Memory Slots 35
Expansion Slots 36
Chipset Components 42
Jumpers and Jumper Blocks 44
Fan Connectors 44
Audio Connectors 45
Front-Panel Connectors 46
Installing Motherboards 48
Step-by-Step Motherboard Removal 48
Preparing the Motherboard for Installation 50
Step-by-Step Motherboard Installation 51
Troubleshooting Motherboards 52
Unexpected Shutdowns 52
Continuous Reboots (Power Supply and BSOD Problems) 53
BIOS Time and Settings Resets 53
System Lockups 54
POST Code Beeps at Startup 54
Blank Screen on Bootup 54
Smoke or Burning Smells 55
System Will Not Start 55
Processors and CPUs 58
Overview of Processor Differences 58
Intel Processors 58
AMD Processors 64
CPU Technologies 69
Hyperthreading (HT Technology) 70
Multicore 70
Cache 70
Bus Speeds 71
Overclocking 72
32-bit Versus 64-bit Architecture 73
Virtualization Support 73
Integrated GPU 74
CPU Cooling 74
Passive and Active Heat Sinks 75
Liquid Cooling Systems 76
Review All the Key Topics 78
Complete the Tables and Lists from Memory 79
Define Key Terms 79
Complete Hands-On Lab 79
Lab 2-1: Determine Available USB Ports, Locations, and Types 79
Lab 2-2: Determine Smallest Form Factor Suitable for a New PC 80
Answer Review Questions 80
Answers to Hands-On Lab 82
Lab 2-1: Determine Available USB Ports, Locations, and Types 82
Lab 2-2: Determine Smallest Form Factor Suitable for a New PC 83
Answers and Explanations to Review Questions 83
Chapter 3 BIOS 85
Understanding BIOS, CMOS, and Firmware 86
Configuring the System BIOS 89
Accessing the BIOS Setup Program 89
UEFI and Traditional BIOS 91
BIOS Settings Overview 92
Automatic Configuration of BIOS/CMOS Settings 95
Main Menu 96
Standard Features/Settings 96
System Information 98
Boot Settings and Boot Sequence 98
Integrated Ports and Peripherals 100
Power Management 104
PnP/PCI Configurations 105
Hardware Monitor 105
Processor and Memory Configuration 106
Virtualization Support 106
Security Features 108
Exiting the BIOS and Saving/Discarding Changes 109
Power-On Self Test (POST) and Error Reporting 110
Beep Codes 111
POST Error Messages 112
POST Hex Codes 112
BIOS Updates 114
Flash BIOS Update 115
BIOS Chip Replacement 118
Review All the Key Topics 120
Complete the Tables and Lists from Memory 120
Define Key Terms 121
Complete Hands-On Labs 121
Lab 3-1: Disable Onboard Audio 121
Lab 3-2: Check Fan and Voltage Levels 121
Answer Review Questions 122
Answers to Hands-On Labs 125
Lab 3-1: Disable Onboard Audio 125
Lab 3-2: Check Fan and Voltage Levels 125
Answers and Explanations to Review Questions 125
Chapter 4 Power Supplies and System Cooling 129
Power Supplies 130
Power Supply Ratings 130
Multivoltage Power Supplies 133
Power Supply Form Factors and Connectors 135
Removing and Replacing the Power Supply 139
Troubleshooting Power Supplies 141
Overloaded Power Supplies–Symptoms and Solutions 141
Loud Noises from the Power Supply 142
Finding Solutions to a “Dead” System 143
Overheating 144
Fans Turn But System Doesn’t Start 149
Testing Power Supplies and Other Devices with a Multimeter 149
Avoiding Power Supply Hazards 154
Power Protection Types 155
Surge Suppressors 156
Battery Backup Units (UPS and SPS) 158
Buying the Correct-Sized Battery Backup System 159
Power-Conditioning Devices 160
System Cooling 161
Northbridge and Southbridge Chips and Voltage Regulators 161
Video Card Cooling 163
Case Fans 163
Thermal Compound 164
Review All the Key Topics 167
Complete the Tables and Lists from Memory 168
Define Key Terms 168
Complete Hands-On Lab 168
Lab 4-1: Check Power Supply Voltages 168
Lab 4-2: Check for Airflow Problems Inside the System 168
Answer Review Questions 169
Answers to Hands-On Lab 172
Lab 4-1: Check Power Supply Voltages 172
Lab 4-2: Check for Airflow Problems Inside the System 172
Answers and Explanations to Review Questions 173
Chapter 5 R AM 177
RAM Basics 178
Memory Modules 180
DRAM 180
SRAM 181
SDRAM 181
DDR SDRAM 181
DDR2 SDRAM 182
DDR3 SDRAM 182
Rambus 183
Operational Characteristics 184
Comparison of Memory Modules 184
Memory Module Width 185
Parity and Non-Parity Memory 185
ECC and Non-ECC Memory 187
Registered and Unbuffered Memory 188
Single-Sided and Double-Sided Memory 188
Installing Memory Modules 189
Troubleshooting Memory 192
Verifying RAM Compatibility 192
Overclocking Can Lead to System Instability 192
Use Caution When Mismatching RAM Speeds 193
“Parity Error - System Halted” Message 194
RAM-Sizing Errors at Bootup 194
Determining Whether Cache RAM Is the Source of a Memory Problem 195
Other Methods for RAM Testing 195
Preventative Maintenance for Memory 196
Review All the Key Topics 197
Complete the Tables and Lists from Memory 197
Define Key Terms 197
Complete Hands-On Labs 198
Lab 5-1: Select and Install the Correct RAM 198
Answer Review Questions 199
Answers to Hands-On Labs 202
Lab 5-1: Select and Install the Correct RAM 202
Answers and Explanations to Review Questions 203
Chapter 6 I/O and Input Ports and Devices 207
Introduction to I/O Ports 208
USB 209
USB Port Types, Speeds, and Technical Details 209
Adding USB Ports 213
Troubleshooting USB Ports and Devices 215
IEEE-1394 (FireWire) 218
IEEE 1394 Ports and Cables 218
IEEE 1394—Compatible Devices 219
Installing an IEEE 1394 Card 220
Troubleshooting IEEE 1394 Ports and Devices 220
SCSI 221
CompTIA A+ 220-801 and 220-802 Authorized Cert Guide, Deluxe Edition is a best-of-breed exam study guide. This bundle also includes MyITCertificationLab, which makes studying more efficient and effective for every student, using Dynamic Study Modules. Dynamic Study Modules leverage research from the fields of cognitive psychology, neurobiology and game studies to deliver a uniquely-effective learning system. Best-selling authors Mark Soper, David Prowse and Scott Mueller share their preparation hints and test-taking tips, helping students identify areas of weakness and improve both their conceptual knowledge and hands-on skills. Material is presented in a concise manner, focusing on increasing students understanding and retention of exam topics.
Bei diesem Produkt handelt es sich um ein Bundle, bestehend aus einem Buch und einem digitalen Mehrwert.
Deshalb wird dieses Produkt auf der Rechnung mit 19% MwSt ausgewiesen.