ExamInsight For Exam 220-221 -- About the Authors -- About the Book -- Table of Contents -- Acknowledgments -- How to Read This Book -- Real-World Lessons -- Icon Alerts -- Exam Specifics -- Forward -- CompTIA A+ Core Technologies Exam Blueprint -- Terms to Know -- Chapter 0000: The Start of the PC -- -- -- -- Getting Ready - Questions -- Getting Ready - Answers -- IIntroduction -- IIStart of IT -- IIIIT Starts here -- IVMicro Soft -- VApple -- VIC/PM -- VIIIntel -- VIIIKiller App -- IXIBM -- XDOS -- XIIBM PC -- Lotus -- Hercules -- The Combination -- Xerox -- Mac -- Compaq -- Pop Quiz 0000.00 -- XIIGUI -- PS2 -- EISA -- VLB -- PCI -- 2002 and Beyond -- Sub System -- CPU -- RAM -- Storage -- XIIIElectricity -- Electrons Unleashed -- Conductors -- Completing a Circuit -- Magnetic Fields -- Measuring Electricity -- AC/DC -- Multimeters -- CPS -- Resistor -- Capacitor -- Transistor -- Diode -- LED -- Fuse -- IC -- Pop Quiz 0000.01 -- XIVBinary Math -- Bit - Byte -- Hexadecimal (Base 16) -- Loose connectors -- XVChapter 0000: Summary -- XVIChapter 0000: Test for Success Questions -- Chapter 0000: Test for Success Answers -- Chapter 0001: Power Supplies - System board -- -- -- -- Getting Ready - Questions -- Getting Ready - Answers -- IIntroduction -- IIPower Supplies and System Boards -- IIIPower Supplies -- IVAT -- VATX -- Form Factor -- Baby AT -- ATX -- NLX -- Chipsets -- Northbridge -- Southbridge -- Pop Quiz 0001.00 -- VICMOS -- VIIBIOS -- EEPROM -- Pop Quiz 0001.01 -- VIIIPOST -- Bus -- Front side/Backside Bus -- I/O Bus -- Cache -- AGP Bus -- Expansion Buses -- ISA -- MCA -- EISA -- VESA-VLB -- PCI -- Plug and Play -- Why Plug 'n Play is Sometimes Plug and Pray -- PCI Steering -- AGP -- AMR -- Demanding Attention Digitally -- Interrupting -- IRQ -- IRQ Conflict -- DMA -- DMA, the PC and the AT -- Bus Mastering -- Memory Addresses.

Memory Mapping -- Logical Names -- Pop Quiz 0001.10 -- IXChapter 0001: Summary -- XChapter 0001: Test for Success Questions -- Test for Success Answers -- Chapter 0010: CPUs -- -- -- -- Getting Ready - Questions -- Getting Ready - Answers -- IIntroduction -- IICPUs -- Test Objectives Vs. Reality -- RISC -- CISC -- 80386 -- 80386-SX -- Math Co-processors -- 80486 -- 486-DX2 -- 80486-SX -- Pentium -- Pentium MMX -- Pentium Pro -- Pentium II -- Xeon -- Pentium III -- Pentium IV(a) and Northwood (Pentium IV) -- Celeron -- Cyrix -- M1 -- AMD -- Sockets & Slots -- Socket 1 -- Slot 1 -- Slot 2 -- Socket 370 -- Slot A -- Socket 462 -- IIIChapter 0010: Summary -- IVChapter 0010: Test for Success Questions -- Test for Success Answers -- Chapter 0011: System Memory -- -- -- -- Getting Ready - Questions -- Getting Ready - Answers -- IIntroduction -- IIMemory -- IIIAll Memory is not Equal -- Read Only Memory (ROM) -- Programmable Read Only Memory (PROM) -- Erasable Programmable Read Only Memory (EPROM) -- Electronically Erasable Programmable Read Only Memory (EEPROM) -- Random Access Memory (RAM) -- Static RAM (SRAM) -- Dynamic RAM (DRAM) -- Synchronous Dynamic RAM (SDRAM) -- Moving the Data -- Data Bus -- Address Bus -- RAM Packaging -- Dual Inline Package (DIP) -- Single Inline Memory Module (SIMM) -- Dual Inline Memory Module (DIMM) -- RAM Sizes and Speeds -- Checking For Errors -- Pop Quiz 0011.01 -- Parity RAM -- ECC -- False Parity Memory -- Other Types of Memory -- Fast Page Memory -- Extended Data Out DRAM -- Burst Extended Data Out DRAM -- Direct Rambus DRAM -- Double Data Rate SDRAM -- DDR/PCxxxx -- Troubleshooting Memory Challenges -- IVChapter 00II: Summary -- VChapter 0011: Test for Success Questions -- Test for Success Answers -- Chapter 0100: Hard Drives -- -- -- -- Getting Ready - Questions -- Getting Ready - Answers -- IIntroduction.

IIHard Drives -- IIIA Brief History of Hard Drives -- IVFirst Hard Drives -- What is a Hard Drive? -- MFM -- RLL -- ESDI -- IDE -- EIDE -- ATA-2 -- IDE (PIO Mode 3) -- Ultra DMA -- 40 Pin/80 wires -- Primary (Master)/ Secondary (Slave)/ Cable Select (CS) -- Pin 1 -- Physical -- Platters -- Spindle -- Read/Write Head -- Flying Height -- Landing Zone -- Actuator Arm -- Architecture -- Tracks -- Cylinders -- Sector -- CHS -- RAID -- RAID 0 -- RAID 1 -- RAID 5 -- JBOD -- Overlay Software -- VChapter 0100: Summary -- VIChapter 0100: Test for Success Questions -- Test for Success Answers -- Chapter 0101: SCSI -- -- -- -- Getting Ready - Questions -- Getting Ready - Answers -- IIntroduction -- IISCSI -- IIIWhat is SCSI? -- SCSI IDs -- LUN -- Termination -- Speeds and Feeds -- Connectors -- SE/HVD -- LVD/MSE -- IVSummary -- VChapter 0101: Test for Success Questions -- Test for Success Answers -- Chapter 0110: Removable Media -- -- -- -- Getting Ready - Questions -- Getting Ready - Answers -- IIntroduction -- IIRemovable Media -- IIIFloppy Drives -- Form Factors -- Attaching a Floppy Disk Drive To a PC -- Pin 1 -- IVCD-ROM -- The X-Factor: CD-ROM Performance -- CLV vs. CAV -- Other Performance Factors -- CD-ROM Formats -- ISO 9660 ("High Sierra") -- CD-ROM Extended Architecture (CD-ROM XA) -- CD-R / CD-RW -- CD-ROM / CD-RW Interfaces -- SCSI -- USB & IEEE 1394 -- VDVD -- -- Pop Quiz 0110.00 -- VIZIP Drives -- VIITape Drives -- VIIIDigital Audio Tape (DAT) -- Tape Drive Challenges -- IXChapter 0110: Summary -- XChapter 0110: Test for Success Questions -- Test for Success Answers -- Chapter 0111: Peripheral Devices -- -- -- -- Getting Ready - Questions -- Getting Ready - Answers -- IIntroduction -- IIPeripheral Devices -- IIISerial -- Asynchronous Versus Synchronous -- RS-232C -- Parallel -- USB -- IEEE 1394 -- Wireless -- Infrared -- Radio.

Ports & Connectors -- Keyboards -- Capacitive -- Mice -- Opto-Mechanical Mouse -- Optical Mouse -- Modems -- AT Command Set -- S-registers -- Compression and Errors -- Printers -- Dot-Matrix -- Daisy Wheel -- Inkjet Printers -- Bubble Jet -- Piezo-Electric Inkjet Printers -- Laser Printers -- Cleaning -- Conditioning -- Writing -- Developing -- Transferring -- Fusing -- IVSummary -- VChapter 0111: Test for Success Questions -- Test for Success Answers -- Chapter 1000: Multimedia -- -- -- -- Getting Ready - Questions -- Getting Ready - Answers -- IIntroduction -- IIMultimedia -- Video Cards -- Image Display -- Color Depth -- Accelerated vs. Unaccelerated -- Video Chipset -- Video BIOS -- Frame Buffer (Video Memory) -- RAMDAC -- Video Memory -- Window RAM (WRAM) -- Synchronous Graphics RAM (SGRAM) -- Multibank DRAM (MDRAM) -- Video Card Interfaces -- Accelerated Graphics Port (AGP) -- Display Modes -- Video Graphics Array (VGA) -- SVGA & XGA -- IIIMonitors -- Dot Pitch -- Refresh Rate -- Cathode Ray Tube (CRT) -- Pop Quiz 1000.00 -- IVSound -- Sample Rate -- Sample Resolution -- ADC & DAC -- MIDI -- Wavetable Synthesis -- Sound Card Specifications -- VChapter 1000: Summary -- VIChapter 1000: Test for Success Questions -- Test for Success Answers -- Chapter 1001: Notebooks -- -- -- -- Getting Ready - Questions -- Getting Ready - Answers -- IIntroduction -- IINotebooks -- PDA -- Docking -- Charged Up -- NiMH -- Li -- Displays - -- Active-Matrix -- TFT -- Passive-Matrix -- PC Card -- Pick A Card -- IrDA -- IIIChapter 1001: Summary -- IVChapter 1001: Test for Success Questions -- Test for Success Answers -- Chapter 1010: Safety and the Environment -- -- -- -- Getting Ready - Questions -- Getting Ready - Answers -- IIntroduction -- IISafety and the Environment -- 3 Demons -- EMI -- UPS -- RFI -- ESD -- Contamination -- Safety -- Chemicals.

Fire Safety -- IIIChapter 1010: Summary -- IVChapter 1010: Test for Success Questions -- Test for Success Answers -- Chapter 1011: Networking -- -- -- -- Getting Ready - Questions -- Getting Ready - Answers -- IIntroduction -- IINetworking -- Plug 'n Play -- Ethernet -- Duplex/Simplex -- Cables, etc. -- Thinnet -- STP -- UTP -- Got enough fiber? -- Look ma, no wires -- Wireless LAN -- Old Reliable -- Bus -- Ring -- Mesh -- Star -- Protocols -- IPX/SPX -- TCP/IP -- DHCP - Can I borrow a Cup of IP? -- NIC -- MAC Address -- Hub -- Home of the spokes -- Switch -- Router -- Bridge over Divided LANs -- IIIChapter 1011: Summary -- IVChapter 1011: Test for Success Questions -- Test for Success Answers -- Chapter 1100: Trouble Shooting -- -- -- -- Getting Ready - Questions -- Getting Ready - Answers -- IIntroduction -- IITroubleshooting -- The Scene of the Crime -- Keep Your Prospective -- Think -- Its just sand with an attitude -- Upgrades -- Virus Scan -- Rube Goldburg -- Think like Sherlock Holmes -- KISS -- Intermittent Challenges -- Inverse Cause -- Diagnostic Relief -- Cable Issues -- Tools of the Trade -- Beep, Beep -- Networking Challenges -- IEEE -- CSMA/CD Frames -- Plug 'N Play Upgrades -- BIOS updates -- Printers -- Permissions. -- Dot Matrix printers -- Sensors -- Operator Error -- Environment -- Drivers -- IIIChapter 1100: Summary -- IVChapter 1100: Test for Success Questions -- Test for Success Answers -- Appendix A: Decoding Math -- -- Base 10 -- Base 2 -- Base 16 -- Money Back Book Guarantee -- Practice Exam Purchase.