05526nam 2200709Ia 450 991081795070332120230126204947.01-118-23299-21-283-40223-897866134022331-118-22859-6(CKB)2670000000138092(EBL)818168(OCoLC)769342381(SSID)ssj0000637245(PQKBManifestationID)11432317(PQKBTitleCode)TC0000637245(PQKBWorkID)10678214(PQKB)10760879(Au-PeEL)EBL818168(CaPaEBR)ebr10523275(CaONFJC)MIL340223(CaSebORM)9781118228593(MiAaPQ)EBC818168(EXLCZ)99267000000013809220120126d2012 uy 0engur|n|---|||||txtccrIT career jumpstart[electronic resource] an introduction to PC hardware, software, and networking /Naomi J. Alpern, Joey Alpern, Randy Mulller1st editionIndianapolis, Ind. John Wiley & Sons Inc20121 online resource (362 p.)Includes index.1-118-20615-0 IT Career Jumpstart; Introduction; Chapter 1: The Computer's Brain: Processors and Memory; Introduction to Processors; The Intel Processor Lineup; Stacking Up the Competition; Using Multiprocessor and Multicore Computers; Physical Memory; Bus Architecture; Terms to Know; Review Questions; Chapter 2: Storing Your Files: Data Storage; Keys to Data Storage; Understanding Hard Drive Basics; Performance with SDD Drives; Performance with SCSI Drives; Organizing Disks; Understanding Partition Types; A Primer on Disk Drive Configurations; Types of Offline Data Storage; Terms to Know; Review QuestionsChapter 3: Data Movement: Input/Output DevicesUnderstanding Ports; Understanding Monitors; Connecting a Keyboard and Mouse; Touch Screens; Making Remote Connections; Choosing a Printer; Choosing PC Cards; Terms to Know; Review Questions; Chapter 4: Hardware Configuration; Installing Hardware; Installing Software Drivers; Updating Software Drivers; Handling Interrupts; Using Base Memory and Identifying System Resources; Using I/O Memory; Using DMA; Terms to Know; Review Questions; Chapter 5: Desktop Operating Systems: A Comparison; In The Beginning: Understanding DOS; Understanding WindowsUnderstanding Unix and LinuxApple Operating Systems; Dual-Booting between OSs; Terms to Know; Review Questions; Chapter 6: Command Shell 101: Basics Every Administrator Should Know; Introducing the Command-Line Interface; Creating a Directory Structure; Copying and Moving Files; Using Command-Line Wildcards; Understanding File Attributes; Changing the Time and Date; Using Timesaving Keyboard Shortcuts; Introducing PowerShell; Understanding PowerShell Modules and Snap-Ins; PowerShell Functions and Scripts; Terms to Know; Review Questions; Chapter 7: Graphical Interface: Windows 7 BasicsA Quick IntroductionIntroduction to the Windows 7 Desktop; Using the Start Button; Managing the Computer's Settings: Appearance and Personalization; Accessing the Computer Window; Accessing Network Resources; Using the Recycle Bin; Creating Shortcuts; Using Wizards; Using Windows Explorer; Terms to Know; Review Questions; Chapter 8: A Communications Framework; Understanding OSI Model Basics; Data Transfer in the OSI Model; Layer 1: The Physical Layer; Layer 2: The Data-Link Layer; Layer 3: The Network Layer; Layer 4: The Transport Layer; Layer 5: The Session LayerLayer 6: The Presentation LayerLayer 7: The Application Layer; Terms to Know; Review Questions; Chapter 9: Network Models; Considering Peer-to-Peer Networks; Viewing Network Configurations for Windows 7 Computers; Considering Client-Server Networks; The Directory Services Model; Terms to Know; Review Questions; Chapter 10: Data-Link and Network Layer Protocols; Introduction to Topologies; Ethernet Communication Architecture; Using TCP/IP; Terms to Know; Review Questions; Chapter 11: Network Operating Systems: A Comparison; Introduction to an NOS; Windows Server 2003 R2; Windows Server 2008Windows Server 2008 R2A practical approach for anyone looking to enter the IT workforce Before candidates can begin to prepare for any kind of certification, they need a basic understanding of the various hardware and software components used in a computer network. Aimed at aspiring IT professionals, this invaluable book strips down a network to its bare basics, and discusses this complex topic in a clear and concise manner so that IT beginners can confidently gain an understanding of fundamental IT concepts. In addition, a base knowledge has been established so that more advanced topics and technologies cComputer input-output equipmentComputer softwareOnline social networksComputer input-output equipment.Computer software.Online social networks.004021.65Alpern Naomi J1593186Alpern Joey1593187Muller Randy1593188MiAaPQMiAaPQMiAaPQBOOK9910817950703321IT career jumpstart3913196UNINA