CompTIA A+ 220-701 and 220-702 Cert guide

Learn, prepare, and practice for exam success Master every topic on both new 2009 A+ exams. Assess your knowledge and focus your learning. Get the practical workplace knowledge you need! DVD Features 2 Complete Sample Exams Start-to-finish A+ preparation from the world’s #1 PC hardware expert, Scott...

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Detalles Bibliográficos
Otros Autores: Soper, Mark Edward Author (author), Prowse, David L Contributor (contributor), Mueller, Scott Contributor
Formato: Libro electrónico
Idioma:Inglés
Publicado: [Place of publication not identified] Pearson 2010
Edición:1st edition
Materias:
Ver en Biblioteca Universitat Ramon Llull:https://discovery.url.edu/permalink/34CSUC_URL/1im36ta/alma991009629104006719
Tabla de Contenidos:
  • Cover
  • Table of Contents
  • Introduction
  • Chapter 1 PC Technician Essentials
  • PC Tools
  • Preventing Electrostatic Discharge
  • The CompTIA Six-Step Troubleshooting Process
  • Numbering Systems Used in Computers
  • Decimal Numbering System
  • Binary Numbering System
  • Hexadecimal Numbering System
  • Measuring Data Transfer and Frequency
  • Bandwidth
  • Hertz (Hz)
  • Important Websites
  • Chapter 2 PC Anatomy 101
  • Do I Know This Already?" Quiz
  • The Essential Parts of Any Computer
  • Front and Rear Views of a Desktop PC
  • All Around a Notebook (Laptop) Computer
  • Quick Reference to PC Components
  • Points of Failure
  • Points of Failure on a Desktop Computer
  • Points of Failure on a Notebook Computer
  • Hardware, Software, and Firmware
  • Hardware
  • Software
  • Firmware
  • Why Hardware, Software, and Firmware Are Important to Understand
  • Working Inside Your PC
  • Opening the Case of a Desktop PC
  • Taking ESD Precautions
  • Connecting Internal and External Data Cables
  • Installing a PCI Card
  • Hardware Resources
  • IRQs
  • I/O Port Addresses
  • DMA (Direct Memory Access) Channels
  • Memory Addresses
  • Viewing Hardware Resources in Use
  • Chapter 3 Motherboards, Processors, and Adapter Cards
  • Do I Know This Already?" Quiz
  • Motherboards and Their Components
  • The System Bus and I/O Bus
  • Form Factors
  • Integrated I/O Ports
  • Memory Slots
  • Expansion Slots
  • Mass Storage Interfaces
  • Choosing the Best Motherboard for the Job
  • Installing Motherboards
  • Troubleshooting Motherboards
  • Processors and CPUs
  • Overview of Processor Differences
  • Intel Processors
  • AMD Processors
  • Processor Sockets and Packaging
  • CPU Technologies
  • Choosing the Best Processor for the Job
  • Installing Processors
  • Troubleshooting Processors
  • Installing Adapter Cards
  • General Installation
  • Display Adapters
  • Sound Cards.
  • Video Capture Cards
  • Troubleshooting Adapter Cards
  • Chapter 4 BIOS
  • Do I Know This Already?" Quiz
  • Understanding BIOS, CMOS, and Firmware
  • Configuring the System BIOS
  • Accessing the BIOS Setup Program
  • BIOS Settings Overview
  • Main Menu
  • Standard Features/Settings
  • Advanced BIOS Settings/Features
  • Integrated Peripherals
  • Power Management
  • PnP/PCI Configurations
  • Hardware Monitor
  • Processor and Memory Configuration
  • Security Features
  • Exiting the BIOS and Saving/Discarding Changes
  • Power-On Self-Test and Error Reporting
  • Beep Codes
  • POST Error Messages
  • POST Hex Codes
  • BIOS Updates
  • Flash BIOS Update
  • BIOS Chip Replacement
  • Chapter 5 Power Supplies and System Cooling
  • Do I Know This Already?" Quiz
  • Power Supplies
  • Power Supply Ratings
  • Multivoltage Power Supplies
  • Causes and Cures of Power Supply Overheating
  • Replacing Power Supply Form Factors and Connectors
  • Removing and Replacing the Power Supply
  • Testing Power Supplies with a Multimeter
  • Determining Power Supply DC Voltage Levels
  • Avoiding Power Supply Hazards
  • Power Protection Types
  • Surge Suppressors
  • Battery Backup Units (UPS and SPS)
  • Buying the Correct-Sized Battery Backup System
  • Power Conditioning Devices
  • Troubleshooting Power Problems
  • System Cooling
  • Passive and Active Heat Sinks
  • North/Southbridge Cooling
  • Chapter 6 RAM
  • Do I Know This Already?" Quiz
  • RAM Basics
  • RAM Types
  • DRAM
  • SRAM
  • SDRAM
  • DDR SDRAM
  • DDR2 SDRAM
  • Rambus
  • Operational Characteristics
  • Comparison of Memory Modules
  • Memory Module Width
  • Parity and Non-Parity Memory
  • ECC and Non-ECC Memory
  • Registered and Unbuffered Memory
  • Single-Sided and Double-Sided Memory
  • Installing Memory Modules
  • Installing DIMMs and Rambus RDRAM Modules
  • Troubleshooting Memory
  • Verifying RAM Compatibility.
  • Overclocking Can Lead to System Instability
  • Avoid Mixing Metals in RAM and Sockets
  • Use Caution When Mismatching RAM Speeds
  • EDO Compatibility with Other RAM Types
  • Parity Error - System Halted" Message
  • RAM-Sizing Errors at Bootup
  • Determining Whether Cache RAM Is the Source of a Memory Problem
  • Other Methods for RAM Testing
  • Preventative Maintenance for Memory
  • Chapter 7 I/O and Multimedia Ports and Devices
  • Do I Know This Already?" Quiz
  • Understanding I/O Ports
  • USB
  • SCSI
  • Serial (COM)
  • Parallel (LPT)
  • IEEE 1394 (FireWire)
  • PS/2 (Mini-DIN)
  • Centronics
  • 1/8-inch Audio Mini-Jack
  • SPDIF Digital Audio
  • MIDI Port
  • RG-6 Coaxial
  • Understanding Input Devices
  • Keyboard
  • Mouse and Pointing Devices
  • Bar Code Reader
  • Biometric Devices
  • Touch Screens
  • Understanding Multimedia Devices
  • Webcam
  • Digital Camera
  • MIDI Music and MIDI Ports
  • Sound Card
  • Microphone
  • Video Capture Card
  • Installing Input and Multimedia Devices
  • Installing a Keyboard
  • Installing a Mouse or Other Pointing Device
  • Installing a Bar Code Reader
  • Installing a Webcam
  • Installing a Digital Camera
  • Installing a MIDI Port
  • Installing a Microphone
  • Installing a Biometric Device
  • Installing a Touch Screen
  • Installing a Sound Card
  • Installing a Video Capture Card
  • Troubleshooting Input and Multimedia Devices
  • Troubleshooting Keyboards
  • Troubleshooting Mice and Pointing Devices
  • Troubleshooting Touch Screen
  • Troubleshooting Sound Card
  • Troubleshooting SCSI Devices
  • Troubleshooting I/O Ports
  • Troubleshooting USB Ports and Devices
  • Troubleshooting IEEE 1394 Ports and Devices
  • Troubleshooting Parallel (LPT) Ports and Devices
  • Troubleshooting Serial Ports and Devices
  • Maintaining Input Devices
  • Maintaining Mice and Pointing Devices
  • Maintaining Keyboards.
  • Chapter 8 Video Displays and Graphics Cards
  • Do I Know This Already?" Quiz
  • Video (Graphics) Card Types
  • Video Card Cooling
  • Installing a Video Card
  • BIOS Configuration
  • Video Card Physical and Driver Installation
  • Display Types
  • CRT Monitor
  • LCD Monitor
  • Data Projector
  • Video Connector Types
  • VGA
  • DVI
  • HDMI
  • Component/RGB
  • S-Video
  • Composite
  • Display Settings
  • Resolution
  • Color Quality (Color Depth)
  • Refresh Rates
  • Installing a Monitor
  • Troubleshooting Displays and Video Cards
  • Troubleshooting Picture Quality Problems with OSD
  • Using Advanced Display Properties for Troubleshooting
  • Troubleshooting Video Hardware
  • Preventative Maintenance for Displays
  • Chapter 9 Laptops and Portable Devices
  • Do I Know This Already?" Quiz
  • Fundamental Features of Laptops and Portable Devices
  • Memory
  • Storage Devices
  • Peripherals
  • Expansion Slots
  • Communications Connections
  • LCD Screen Technologies
  • Input Devices
  • Power Management Issues
  • Power Sources
  • Configuring Power Management
  • ACPI
  • Suspend, Standby, and Hibernate Modes
  • Applications for Portable and Laptop Hardware
  • Using Communications Connections
  • Working with Power Sources
  • Working with Display Subsystem Components
  • Safe Removal of PC Cards
  • Safe Removal of ExpressCards
  • Safe Removal of Laptop-Specific Hardware
  • Safe Removal of Batteries
  • Safe Removal and Installation of Mini-PCI Cards
  • Safe Removal and Installation of Hard Disk Drives
  • Safe Removal of Optical Drives
  • Safe Removal and Installation of Memory
  • Safe Removal of LCD Panels
  • Safe Removal and Replacement of Pointing Devices
  • Portable and Laptop Diagnostics
  • Power Troubleshooting
  • Display Troubleshooting
  • Other Components
  • Preventative Maintenance for Laptops and Portable Devices
  • Cooling Devices
  • Display Screens.
  • Suitable Operating Environments
  • Storage Methods
  • Transportation and Shipping
  • Chapter 10 Security
  • Do I Know This Already?" Quiz
  • Security Fundamentals
  • Secure and Insecure File Systems
  • Authentication Technologies
  • Protection Against Viruses and Malware
  • Software Firewalls
  • Hardware Recycling and Deconstruction
  • Securing Wireless Networks
  • WEP and WPA Encryption
  • Access Point Configuration for Maximum Security
  • Data and Physical Security
  • Data Access Local Security Policy
  • Encryption Technologies
  • Backups
  • Data Migration
  • Data and Data Remnant Removal
  • Password Management
  • Locking a Workstation
  • Incident Reporting
  • Social Engineering
  • Access Control Purposes and Principles
  • Operating System Access Control
  • Components
  • Restricted Spaces
  • Auditing and Event Logging
  • Installing, Configuring, and Troubleshooting Security Features
  • BIOS Security Features
  • Software Firewalls
  • Wireless Client Configuration
  • Unused Wireless Connections
  • File Systems (Converting From FAT32 To NTFS)
  • Malicious Software Protection
  • Chapter 11 Printers
  • Do I Know This Already?" Quiz
  • Printing Fundamentals
  • Laser and LED Printers
  • Inkjet Printers
  • Thermal Printers
  • Impact Printers
  • Printer and Scanner Control
  • Drivers
  • Firmware
  • Print Processes
  • Laser Print Process
  • Inkjet Print Process
  • Thermal Print Processes
  • Impact Print Process
  • Interface Types
  • Adding Bluetooth Support
  • Adding Ethernet Support
  • Adding 802.11Wireless Ethernet (WLAN) Support
  • Adding Infrared Support
  • Printer Installation
  • Connecting the Device
  • Verifying Device Compatibility with Operating System and Applications
  • Installing Device Drivers
  • Calibrating the Device
  • Configuring Options and Device Settings
  • Educating the User About Basic Functionality
  • Optimizing Printer Performance.
  • Tray Switching.