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    computer Hardware coursebook computer Hardware coursebook Document Transcript

    • Certificate course in Computer Hardware Page: 1 of 53 Computer Hardware Course Beam Consultancy Services Training Division Beam Consultancy Services (BCS) 5/94, Mela Anuppanadi Madurai – 625009 Tamil Nadu - India Ph: +91 452 3241325 Fax: 0452-2697019 www.beamconsultancy.blogspot.com Training Division, Beam Consultancy Services (BCS) www.beamconsultancy.blogspot.com
    • Certificate course in Computer Hardware Training Division, Beam Consultancy Services (BCS) www.beamconsultancy.blogspot.com Page: 2 of 53
    • Certificate course in Computer Hardware Page: 3 of 53 :: Course Outline Certificate course in Computer Hardware Sl.No Title Page No 1. Topics Unit I – Introductions Chapter Chapter Chapter Chapter 1. 2. 3. 4. - Introduction Introduction Introduction Introduction to to to to Computer Software Internet Basic Electronics 6 10 17 19 Unit II – CPU Chapter Chapter Chapter Chapter Chapter 1. 2. 3. 4. 5. – – – – – Mother Board Mother Board SMPS Add on cards Data storage devices 22 22 27 28 Unit III – External Devices Chapter Chapter Chapter Chapter Chapter Chapter Chapter 1. 2. 3. 4. 5. 6. 7. – – – – – – – Monitor UPS Printers Scanner Multimedia devices Networking devices Computer consumables 29 29 29 29 29 29 29 Unit IV – Basic Networking concept Unit V – Assembling & Trouble shooting Chapter 1. – Search Engine Optimization (SEO) 29 Lesson 1 – Links Building. Lesson 2 - Directory Submission Lesson 3 - Data Collection Chapter 1. – Search Engine Marketing (SEM) Training Division, Beam Consultancy Services (BCS) www.beamconsultancy.blogspot.com 34
    • Certificate course in Computer Hardware Page: 4 of 53 Lesson 1 – PPC Unit V – Tools & Utilities, Problems & Solutions 40 2. Exercise 44 3. Practical Classes Section 1 – Electronics Lab Lab 1 – Website Designing Lab 2 – Slicing & HTML Conversion Lab 3 - Animations Section 2 – CPU Assembling Lab Lab 1 - Links Building Lab 2 - Directory Submission Lab 3 – Data Collection Section 3 – Troubleshooting Lab Lab 1 - Links Building Lab 2 - Directory Submission 4. Project Training Division, Beam Consultancy Services (BCS) www.beamconsultancy.blogspot.com
    • Certificate course in Computer Hardware Training Division, Beam Consultancy Services (BCS) www.beamconsultancy.blogspot.com Page: 5 of 53
    • Certificate course in Computer Hardware Page: 6 of 53 1. Topics Unit I – Introductions Chapter 1. - Introduction to Computer. Definition Computer is an electronic machine which automatically performs the logical operations for the given input data and provides the output. Types 1. Desktop Computer 2. Laptop 3. Palmtop Computer A computer system is made up of five fundamental units. Keyboard, mouse, joystick are input devices and printer, monitor, plotter, Touch screen, Speaker are output devices. The CPU consists of motherboard, Random access memory (RAM), Switch mode power supply (SMPS), Hard Disk Drive (HDD), Floppy Disk Drive (FDD) and CD Writer. Printer Types 1. 2. 3. 4. Dot matrix printer – used in continuous paper printing Inkjet Printer Laser printer Thermal Printer Scanner Types 1. Document Scanner 2. Barcode Scanner 3. MICR Scanner Monitor types 1. CRT monitor 2. LCD Monitor 3. Plasma Monitor Advantages 1. Accuracy 2. Fast Training Division, Beam Consultancy Services (BCS) www.beamconsultancy.blogspot.com
    • Certificate course in Computer Hardware 3. Low cost 4. High memory capacity 5. Easy automation 6. Reduce work time 7. Repetivity 8. Portability 9. Versatility 10. Complex problems can be easily solved Abbreviations 2D 3D - Two Dimension – Three Dimension ASP - Active Server Page API - Application Programming Interface ADSL - Asymmetric Digital Subscriber Line ADO – Activex Data Object ASF – Advanced Streaming Format AVI – Audio video interleave ADF – Advanced Data Format AIFF – Audio interchange File Format ASX - ASF Streaming Redirector BPO BSP BBS BMP BPS BDC CAD CAM CGI CPC CMS CBT CMX CSS CRM COM - Business Process Outsourcing - Business Service Provider – Bulletin board systems – Bitmap – Bits per second – Backup Domain Controller - Computer-Aided Design – Computer Aided Manufacturing - Common Gateway Interface - Cost per click - Content Management System - Computer based training - Corel Metafile Exchange – Casecading style sheet – Customer Relationship Management – Common Object Model DHTML - Dynamic Hypertext Markup Language DEO - Data Entry Operator DNS - Domain Name System Training Division, Beam Consultancy Services (BCS) www.beamconsultancy.blogspot.com Page: 7 of 53
    • Certificate course in Computer Hardware DBA DOM DLL DPI DHCP – Data base Administrator – Document Object Model - Dynamic Link Library – Dots per inch - Dynamic Host Configuration Protocol EDI - Electronic Data Interchange email - Electronic Mail eCommerce - Electronic Commerce eCard - Electronic Card e-Book - Electronic Book EFS – Encrypting File Format EAP – Extensible authentication Protocol FTP - File Transfer Protocol GIF - Graphical Information Format GB - Giga byte GUI – Graphical User Interface GDI – Graphical Device Interface HTML - Hypertext Markup Language HTTP -Hypertext Transport Protocol IA - Information Architecture IE - Internet Explorer ISDN - Integrated Services Digital Network IP - Internet protocol IPSec - Internet protocol Security ICANN - Internet Corporation for Assigned Names and Numbers IIS – Internet Information Server IRC – Internet Relay Chat ISP – Internet Service Provider IC - Integrated circuit ICG – Interactive Computer Graphics IDC – Internet Database Connector IPP – Internet Printing Protocol IUCI – Internet Users club of India IAB - Internet Architecture Board IMAP - Internet Message Access Protocol JSP - Java Server Pages JPEG – Joint pictures expert group JDK – Java development kit LAN - Local Area Network LAMP – Lunix apache mysql & php Training Division, Beam Consultancy Services (BCS) www.beamconsultancy.blogspot.com Page: 8 of 53
    • Certificate course in Computer Hardware MIDI – Musical Instruments interface MIME – Multipurpose internet mail extensions MPEG – Motion pictures expert group MDS – Microsoft developer studio NIC - Networked Information Center OPML - Outline Processor Markup Language OS – Operating System OOP – Object Oriented Programming OLE – Object Linking & embedding ODBC – Open Database connectivity OLTP – Online transaction Processing OCR – Optical Character recognition PDF - Portable Document Format PHP - Hypertext Pre processor POP - Post Office Protocol PNG - Portable Network Graphics Perl – Practical extracting & reporting Language PPP – Point to point Protocol PCB – Printed circuit board PLV – Production level video PDC – Primary domain controller RSS - Really Simple Syndication RTF – Rich text format RTV – Real time video RDBMS – Relational database management system RAS – Remote access server RIS – Remote Installation service RGB - Red Green Blue SEO - Search Engine optimization SSL - Secure Socket Layer SQL - Structured Query Language SLIP – Serial line internet protocol SGML - Standard Generalized Markup Language SMIL - Synchronized Multimedia Integration Language SOAP - Simple Object Access Protocol SMTP - Simple Mail Transfer Protocol SSI - Server Side Include SVG - Scalable Vector Graphics TCP - Terminal Control Protocol TIFF – Tagged image file format URL - Uniform Resource Locator Training Division, Beam Consultancy Services (BCS) www.beamconsultancy.blogspot.com Page: 9 of 53
    • Certificate course in Computer Hardware UML - Unified Modeling Language VB - Visual Basic VRML - Virtual Reality Modeling Language VAS – Value added service W3C - World Wide Web Consortium WAN - Wide Area Network WWW - World Wide Web WAS - Web sphere Application Server WBT - Web based training WAP - Wireless Application Protocol WML - Wireless Markup Language WSDL - Web Services Description Language WYSIWYG - What You See Is What You Get XML - eXtensible Markup Language XSL - Extensible Stylesheet Language Training Division, Beam Consultancy Services (BCS) www.beamconsultancy.blogspot.com Page:10 of 53
    • Certificate course in Computer Hardware Chapter 2. - Introduction to Software Types. 1. System Software 2. Application Software File Formats Raster AIS (Adaptive Information System) ATT (AT&T Group 4) BMP (Windows/OS2 bitmaps) GIF (CompuServe) JPG (JPEG) PNG (Portable Network Graphics) Vector CLT (CGM Metafile) CGM (CGM Metafile) GCA (IBM GOCA) GEM (Gem Metafile) Digital Camera Formats FPX (FlashPix file) KDC (Kodak Digital Camera) Animation Formats AVI (MS Audio Video Interleaved) FLC (Autodesk Animator PRO) CEL (Autodesk Animator PRO) Animated GIF (CompuServe) FLI (Autodesk Animator PRO) MPG (MPEG-1, MPEG-2) MOV (QuickTime) 3D Formats 3DS (3D STUDIO) WRL (VRML virtual reality modelling language) Training Division, Beam Consultancy Services (BCS) www.beamconsultancy.blogspot.com Page:11 of 53
    • Certificate course in Computer Hardware Page:12 of 53 CAD Formats DWG (AutoCAD R12, 14) DWF (Autodesk Drawing Web Format) DXF (AutoCAD Drawing Exchange R12, 14) IGS (IGES) DGN (Intergraph Standard File Format) TCW (Turbo CAD for Windows Drawing) FP3 (Floor Plan 3.0) SAT (ACIS) Metafile AI (Adobe Illustrator) CDR (CorelDraw 3-7) CLP (Windows Clipboard) CMX (Corel Metafile Exchange) DRW (Micrografx Draw) File Extensions .adi - graphics (AutoCAD) .avi - Audio Video Interleaved animation file (Video for Windows) .bat - batch file (DOS) .bch - batch process object file (dBase Application Generator) .cbl - COBOL source code file .clp - clip art graphics (Quattro Pro) .cpp - C++ source code file .doc - document text file .exe - directly executable program (DOS) .htx - Hypertext file .ico - icon (Windows 3.x) .lcl - FTP Software PC/TCP .mak - project file (Visual Basic) .mov - movie (AutoCAD AutoFlix) .qpr - print queue device driver (OS/2) .qpx - compiled query program (FoxPro) .qrt - QRT ray tracing graphics .qry - query (dBase IV) .qt - QuickTime movie (animation) .sys - system file - device driver or hardware configuration info (DOS) .usr - user database file (ProComm Plus - Turbo C++ tour) .vbx - Visual Basic eXtension (Visual Basic) .vue - animation (3D Studio) Training Division, Beam Consultancy Services (BCS) www.beamconsultancy.blogspot.com
    • Certificate course in Computer Hardware Page:13 of 53 Software Features ADOBE PHOTOSHOP Salient Features • • • • • • Paint a likeness of a physical object. Mixing and Manipulating of colors. Blend 2 Images. create Patterns and Designs manipulate images Retouch, Manipulate and Enhance designs & patterns. Applications • • It has been used to edit and create Images as diverse as Cosmetic ads, New Photos, Motion picture footage, Animation cells & Fine Art work. Web page designing. MICROSOFT FRONTPAGE Salient Features • • • FrontPage consists of FrontPage Explorer and the FrontPage Editor, which you can use to create, edit and manage your website. FrontPage includes many features that make Website creation easy for any user, including a gallery of professionally designed graphical themes, wizards, templates and active page elements for creating pages and web sites without Programming. You use the FrontPage Explorer to publish your web site on your computer, your organization’s intranet, or the World Wide Web. Applications • Designing, Implementing, Developing, Administrating, and Updating World Wide Web and Intranet sites. Training Division, Beam Consultancy Services (BCS) www.beamconsultancy.blogspot.com
    • Certificate course in Computer Hardware Page:14 of 53 MACROMEDIA DREAMWEAVER Salient Features • • • • • Powerful media for creating web-pages, without having the knowledge of HTML or JavaScript. Dream weaver’s timeline feature saves trouble of writing JavaScript code to create DHTML Animations. Behaviors in Dreamweaver make special impact on appearance of the web-page. Timelines in Dreamweaver create Animations by changing position, size, visibility and stacking order of layers. Dreamweaver supports shockwave movies, which are Macromedia standard for interactive multimedia on the web. Applications • • • World Class HTML Editing Tool for Designing and Developing Webpages. Adding Shockwave Streaming Movies and DHTML Animations to make your Website look more attractive. Usage of Behaviors and Layers makes your Web-page editing faster and more interactive. MACROMEDIA FLASH Salient Features • • • • • Less file size. Multiple actions can be attached Create and mask vector art streaming and event sounds Bandwidth Profiler. This feature takes care of the usual drawback of multimedia file size, and brings the user to reality. Applications • • Flash is primarily an animation tool for the Web. You can also create corporate presentations and 2D Animations. Training Division, Beam Consultancy Services (BCS) www.beamconsultancy.blogspot.com
    • Certificate course in Computer Hardware Page:15 of 53 ActionScript ActionScript, the scripting language of Macromedia Flash MX, allows you to create a movie that behaves exactly as you want. Like other scripting languages, ActionScript follows its own rules of syntax, reserves keywords, provides operators, and allows you to use variables to store and retrieve information. ActionScript includes built-in objects and functions and allows you to create your own objects and functions. The ActionScript syntax and style closely resemble that of JavaScript. Flash MX understands ActionScript written in any previous version of Flash. CORELDRAW CorelDraw is Vector graphic software, allowing the user to produce World Class Illustrations with 16.7 million colors. Salient Features • • • With CorelDraw you can create Illustrations from scratch, enhance clip art, use and embellish scanned photos, and send your finished work out one of many ways. A vector-based drawing Program with extensive text handling and precision-drawing features.. Ideal tool for virtually any design project from logos and product packaging to technical illustrations, advertisements, publishing and Internet publishing. Applications • • • • • • • • • • • Full-color Illustrations. Complex drawings. Logos. Graphics for the World Wide Web. Fancy headlines. Photorealistic Images. Surrealistic Images. Animation sequences. Libraries of clip art. High-quality drawings from low-resolution originals. Web page designing. Training Division, Beam Consultancy Services (BCS) www.beamconsultancy.blogspot.com
    • Certificate course in Computer Hardware Page:16 of 53 ILLUSTRATOR Illustrator is vector graphics creation software for print media and web, allowing the user to produce World Class Illustrations with 16.7 million colors. Salient Features • • • • • Creative tools for Print Media. Sophisticated Web Graphic Tools. Special Effects to Images. Versatile Transparency Capabilities Dynamic Media Projects Applications • • • • • Complex and High Quality Output. Logos. Libraries. High Quality Illustrations. Creating Banners, Posters, Handbills etc Suitable scripting languages include: • • • • • • • ASP Cold Fusion JSP Perl PHP Python Ruby JAVASCRIPT / DHTML Applications • • It is used to write Program's that are executed by a web-browser within the context of web page on server side. It can be used to write web server Program to process the data. Java applet advantages: • • it is simple to make it work on Windows, Mac OS and Linux, i.e. to make it cross platform the same applet can work on "all" installed versions of Java at the same time, rather than just the latest plug-in version only Training Division, Beam Consultancy Services (BCS) www.beamconsultancy.blogspot.com
    • Certificate course in Computer Hardware • • • • • • • • Page:17 of 53 it can work without any security approval from the user - who doesn't need to trust the software's author it is supported by most web browsers it will cache in most web browsers, so will be quick to load when returning to a web page it can have full access to the machine it is running on if the user agrees it can improve with use: after a first applet is run, the JVM is already running and starts quickly, benefiting regular users of Java it can run at a comparable (but generally slower) speed to other compiled languages such as C++ it can be a real time application it can move the work from the server to the client, making a web solution more scalable with the number of users/clients Disadvantages of applets Java applet disadvantages: • • • • • it requires the Java plug-in, which isn't available by default on all web browsers it can't start up until the JVM is running, and this may have significant startup time the first time it is used if it is uncached, it must be downloaded (usually over the internet), and this takes time it is considered more difficult to build and design a good user interface with applets than with HTML-based technologies if untrusted, it has severely limited access to the user's system - in particular having no direct access to the client's disc or clipboard Creating software involves: • • • • • • • • • Requirements analysis Specification Software architecture Coding Compilation Software testing Documentation Integration Maintenance Training Division, Beam Consultancy Services (BCS) www.beamconsultancy.blogspot.com
    • Certificate course in Computer Hardware CSS Limitations: Selectors are unable to ascend One block declaration cannot explicitly inherit from another Vertical control limitations Absence of expressions Lack of orthogonality Unexpected margin collapsing Float containment Lack of multiple backgrounds per element Inability of children to override some properties set on a parent Training Division, Beam Consultancy Services (BCS) www.beamconsultancy.blogspot.com Page:18 of 53
    • Certificate course in Computer Hardware Page:19 of 53 Chapter 3. - Introduction to Internet History 1980 1984 1990 1996 First Internet service provider (ISP) companies were formed. TCP/IP started Introduction of the World Wide Web (WWW) CSS Merits of going online: 1. 2. 3. 4. 5. 6. 7. 8. Global presence and expand your business. Website work for you 24/7. Increase your customers. Increase name recognition and exposure. Office & transportation cost savings. Very inexpensive way to reach new markets. Fast and easy way to sales & customer support. More options for your eBusiness. Some examples of useful Website & address Job Tamilnadu government Cinema Cargo email Designing /Events Management Songs download Food Temple Search Engine Shoping online Tamil site Sports Matrimonial Travel Tips Womens Animals Graphics designs & Backgrounds Bank Contest Medicine Channel - www.getinjob.com – www.tn.gov.in – www.galatta.com – www.speedageexpress.com – www.rediffmail.com – www.beamconsultancy.com – www.ragga.com - www.sanjeevkapoor.com - www.indiantemples.com – www.google.com - www.indbazaar.com - www.aaraamthinai.com - www.espn.go.com - www.mukurtham.com - www.travelmartindia.com - www.tips4me.com - www.ivillage.com - www.animalweb.com - www.graphicsbg.com - www.sbi.co.in - www.contests2win.com - www.allayurveda.com - www.historychannel.com Training Division, Beam Consultancy Services (BCS) www.beamconsultancy.blogspot.com
    • Certificate course in Computer Hardware Page:20 of 53 Website open Process 1. The browser sends an HTTP request. 2. The server retrieves the requested file with the script. 3. The server executes the script or program which typically outputs an HTML web page. 4. The server sends the HTML output to the client's browser. Browsers Different browsers can be distinguished from each other by the features they support. Modern browsers and web pages tend to utilize many features and techniques that did not exist in the early days of the web. Features: Standards support • • • • • • • • • HTTP and HTTPS HTML, XML and XHTML Graphics file formats including GIF, PNG, JPEG, and SVG Cascading Style Sheets (CSS) JavaScript (Dynamic HTML) and XML Http Request Cookie Digital certificates Favicons RSS, Atom Fundamental features • • • Bookmark manager Caching of web contents Support of media types via plug-in such as Macromedia Flash and QuickTime Opera Browser Features 1. 2. 3. 4. 5. 6. 7. Work in win, UNIX, Linux Password managing & Spell checking HTML access key Tabbing navigation Integrated search Pop-up blocking Spatial navigation Training Division, Beam Consultancy Services (BCS) www.beamconsultancy.blogspot.com
    • Certificate course in Computer Hardware 8. Text-to-speech 9. Voice control 10. Runs css, java script, RSS 11. Support ssl IRC, IDN 12. More Languages 13. Page zooming 14. Incremental finding 15. Search engine toolbar Training Division, Beam Consultancy Services (BCS) www.beamconsultancy.blogspot.com Page:21 of 53
    • Certificate course in Computer Hardware Page:22 of 53 Chapter 4. - Introduction to Design Chapter 5. – File Transfer Protocol FTP is used to transmit files from local computer to server domain. FTP Softwares Flash FXP Cute FTP FTP Commands The following list mentions the most frequently used FTP commands. Most of these commands are used by any FTP software; however, their name may slightly change in the different applications. • • • • • • • • • • • • ASCII: is the default type for most FTP softwares. Set the file type to ASCII when transferring text files. Binary: is the second file type in FTP. Set the file type to binary when transferring non-text files like executable files, graphics, or application software files. Exit: terminates the FTP session with the remote server. Get: retrieves the remote file and stores it on the local system. Put: stores the local file on the remote system. User name: identification of the user to the remote system. Password: user's access code to the remote server. Close: closes the connection with the remote server, but keeps you within the FTP program. Connect: enables you to connect to a remote server. Change Directory:enables you to change directories. Make Directory: enables you to create a new folder. Cancel: cancels the current file transferring. Training Division, Beam Consultancy Services (BCS) www.beamconsultancy.blogspot.com
    • Certificate course in Computer Hardware Page:23 of 53 File Formats Accounting Packages Inventory, AR, AP, GL, AccPac, PO, Tab Costing, Real World, Mass 90, MS Money, QuickBooks, Macola, Solomon, SAP, PeopleSoft ... Auto Dealership Software Autosoft. TRIAD CAD (Computer Aided Design) Autocad (all versions), Catia, Microstation. Database Files Access, Dataflex, DBase, FoxPro, Paradox DB2, Informix, MS SQL Server, Oracle, Sybase, ASCII(comma delimited, tab delimited, and SDF) KnowledgeMan. Statistical Data SAS, SPSS, Mathematica. Desktop Publishing Files Pagemaker, Framemaker, Quark Express, Illustrator, Photoshop. E-Mail Files Lotus, CC:Mail, MS Outlook, MS Exchange, Eudora, Netscape Messenger. Freedom of Information Act Data Tapes Data received under FOIA. Health Benefits Data HIPPA Insurance Data Various Insurance Formats. Medical Software Medical Practice Management Software, Hospital Administration, Medicare, Medical Imaging Formats. HIPPA related, medical imaging formats (MRI, DICOM ..) Motor Vehicle Department Data Motor vehicle registration tapes for all states. PIM (Personal Information Manager) Software/Hardware ACT, Outlook, Now Contact/Date, Sharp Wizard, Palm, Win CE, IPAQ. Real Estate Tapes Training Division, Beam Consultancy Services (BCS) www.beamconsultancy.blogspot.com
    • Certificate course in Computer Hardware Page:24 of 53 Tax assessment, mortgage portfolios, Solomon mortgage tapes, 1098 Real Estate returns. Tax Roll Tapes IRS payroll tapes, W-2, 1099, 1098 Real Estate Tax Returns. Voter Registration Tapes Voter registration rolls for all states. Unit V – Tools, Utilities, Problems & Solutions Tools Web Counter Email Newsletter Forms Roboform is used in data entry for fill the online forms. Skype Google toolbar Winzip Sitecounter Winamp Acrobat Reader Safari (Macintosh-only) opera browser Mozilla browser http://www.skype.com http://toolbar.google.com/ http://www.winzip.com http://statcounter.com/ http://www.winamp.com/ http://www.adobe.com http://www.apple.com http://www.opera.com http://www.mozilla.org/ Error Messages Usually means the syntax used in the URL is 400 Bad File Request incorrect (e.g., uppercase letter should be lowercase letter; wrong punctuation marks). 401 Unauthorized Server is looking for some encryption key from the client and is not getting it. Also, wrong password may have been entered. Try it again, paying close attention to case sensitivity. 403 Similar to 401; special permission needed to access Training Division, Beam Consultancy Services (BCS) www.beamconsultancy.blogspot.com
    • Certificate course in Computer Hardware Forbidden/Access Denied 404 File Not Found Page:25 of 53 the site -- a password and/or username if it is a registration issue. Other times you may not have the proper permissions set up on the server or the site's administrator just doesn't want you to be able to access the site. Server cannot find the file you requested. File has either been moved or deleted, or you entered the wrong URL or document name. Look at the URL. If a word looks misspelled, then correct it and try it again. If that doesn't work backtrack by deleting information between each backslash, until you come to a page on that site that isn't a 404. From there you may be able to find the page you're looking for. Client stopped the request before the server finished retrieving it. A user will either hit the stop button, 408 Request Timeout close the browser, or click on a link before the page loads. Usually occurs when servers are slow or file sizes are large. 500 Internal Error Couldn't retrieve the HTML document because of server-configuration problems. Contact site administrator. 501 Not Implemented Web server doesn't support a requested feature. 502 Service Temporarily Overloaded Server congestion; too many connections; high traffic. Keep trying until the page loads. 503 Service Unavailable Server busy, site may have moved ,or you lost your dial-up Internet connection. Connection Refused by Host Either you do not have permission to access the site or your password is incorrect. Page is there but is not showing anything. Error File Contains No Data occurs in the document. Attributed to bad table formatting, or stripped header information. Bad File Request Browser may not support the form or other coding you're trying to access. Failed DNS Lookup The Domain Name Server can't translate your domain request into a valid Internet address. Server may be busy or down, or incorrect URL was entered. Host Unavailable Host server down. Hit reload or go to the site later. Unable to Locate Host Host server is down, Internet connection is lost, or URL typed incorrectly. Network Connection Refused by the The Web server is busy. Training Division, Beam Consultancy Services (BCS) www.beamconsultancy.blogspot.com
    • Certificate course in Computer Hardware Page:26 of 53 Server FTP Error Codes 500 Series: The command was not accepted and the requested action did not take place. 500 Syntax error, command unrecognized. This may include errors such as command line too long. 501 Syntax error in parameters or arguments. 502 Command not implemented. 503 Bad sequence of commands. 504 Command not implemented for that parameter. 530 Not logged in. 532 Need account for storing files. 550 Requested action not taken. File unavailable (e.g., file not found, no access). 551 Requested action aborted. Page type unknown. 552 Requested file action aborted. Exceeded storage allocation (for current directory or dataset). 553 Requested action not taken. File name not allowed. 400 Series: The command was not accepted and the requested action did not take place, but the error condition is temporary and the action may be requested again. 421 Service not available, closing control connection. This may be a reply to any command if the service knows it must shut down. 425 Can't open data connection. 426 Connection closed; transfer aborted. 450 Requested file action not taken. 451 Requested action aborted. Local error in processing. 452 Requested action not taken. Insufficient storage space in system.File unavailable (e.g., file busy). 300 Series: The command has been accepted, but the requested action is dormant, pending receipt of further information. 331 User name okay, need password. 332 Need account for login. 350 Requested file action pending further information 200 Series: The requested action has been successfully completed. Training Division, Beam Consultancy Services (BCS) www.beamconsultancy.blogspot.com
    • Certificate course in Computer Hardware Page:27 of 53 200 Command okay. 202 Command not implemented, superfluous at this site. 211 System status, or system help reply. 212 Directory status. 213 File status. 214 Help message. On how to use the server or the meaning of a particular non-standard command. This reply is useful only to the human user. 215 NAME system type. Where NAME is an official system name from the list in the Assigned Numbers document. 220 Service ready for new user. 221 Service closing control connection. 225 Data connection open; no transfer in progress. 226 Closing data connection. Requested file action successful (for example, file transfer or file abort). 227 Entering Passive Mode (h1,h2,h3,h4,p1,p2). 230 User logged in, proceed. Logged out if appropriate. 250 Requested file action okay, completed. 257 "PATHNAME" created. 100 Series: The requested action is being initiated, expect another reply before proceeding with a new command. 110 Restart marker reply. In this case, the text is exact and not left to the particular implementation; it must read: MARK yyyy = mmmm where yyyy is User-process data stream marker, and mmmm server's equivalent marker (note the spaces between markers and "="). 120 Service ready in nnn minutes. 125 Data connection already open; transfer starting. 150 File status okay; about to open data connection To install IIS on Windows 2000 and XP Professional: 1. Select Start > Settings > Control Panel > Add or Remove Programs, or Start > Control Panel > Add/Remove Programs. 2. Select Add/Remove Windows Components. 3. Select Internet Information Services (IIS) and click Next. 4. Follow the installation instructions. Training Division, Beam Consultancy Services (BCS) www.beamconsultancy.blogspot.com
    • Certificate course in Computer Hardware Page:28 of 53 Exercise [a] Choose the best answers 1. The Following Sencentence is correct or not? When cutting the any shape it should be rasterizing. [a] Correct [b] Wrong 2. Pixelatte is a [a] Photoshop tool [b] Photoshop Filter [c] Photoshop Blending mode Training Division, Beam Consultancy Services (BCS) www.beamconsultancy.blogspot.com
    • Certificate course in Computer Hardware Page:29 of 53 [b] Questions 1. What are the types of Designs? 2. What is the use of HTML ? 3. Draw a shape within that 6 shapes? 4. What are the procedures for create a complete website? 5. What are the procedures for website promotion? 6. Design a logo for Indians.com 7. Design a website for oscommerce? 8. Design a banner using GIF animation? 9. List the websites do you know? 10. What is splash page? 11. Draw a picture ? 12. Collect the data for website awards? 13. What are effects do you know in photoshop & dreamweaver? 14. Collect the forum websites with complete seo details? 15. What are the error messages do you see in photoshop? Reference Notes: Training Division, Beam Consultancy Services (BCS) www.beamconsultancy.blogspot.com
    • Certificate course in Computer Hardware Notes: Training Division, Beam Consultancy Services (BCS) www.beamconsultancy.blogspot.com Page:30 of 53
    • Certificate course in Computer Hardware Training Division, Beam Consultancy Services (BCS) www.beamconsultancy.blogspot.com Page:31 of 53