computer_skills[1].pptx

Applications of ICT Ramla Sheikh Department of Information Technology University of Haripur Recommended Text Book Introduction to Computers" by Peter Norton, 6th Edition, McGraw-Hill SiE, ISBN 0-07-059374-4. User Manual of MS Office and Handouts of the use of MS Wo...

Applications of ICT Ramla Sheikh Department of Information Technology University of Haripur Recommended Text Book Introduction to Computers" by Peter Norton, 6th Edition, McGraw-Hill SiE, ISBN 0-07-059374-4. User Manual of MS Office and Handouts of the use of MS Word, Excel and PowerPoint. Sports Leadership, 2007 Australian Institute of Sports, Sydney Training Theory, 2011 Dr. Waheed Mughal  The Computer Defined Converts Modern Electronic data into computers device information are digital Two digits combine to make data (0, 1) Department of Information Technology – The University of Haripur  The Computer Defined Older computers were analog A more manageable type -- the old-fashioned slide rule Department of Information Technology – The University of Haripur  Computers for Individual Use Computers can be shared by multiple users but can be used by only one person at a time. Department of Information Technology – The University of Haripur  Computers for Individual Use Although PCs are used by individuals, they also can be connected together to create networks. Department of Information Technology – The University of Haripur  Computers for Individual Use Desktop computers The most common Sits on the Performs a type of computer desk or floor variety of tasks Department of Information Technology – The University of Haripur  Computers for Individual Use Desktop computers Different design types Department of Information Technology – The University of Haripur  Computers for Individual Use Specialized computers Workstat Optimized for ions science or graphics More powerful than a desktop Department of Information Technology – The University of Haripur  Computers for Individual Use Notebook computers Small portable Weighs between 3 computers and 8 pounds Department of Information Technology – The University of Haripur  Computers for Individual Use Notebook computers About 8 ½ by 11 Typically as powerful Can include a inches as a desktop docking station Department of Information Technology – The University of Haripur  Computers for Individual Use Tablet computers Newest Input is Run specialized development in versions of office portable computers through a pen products Department of Information Technology – The University of Haripur Computers for Individual Use Handheld computers, palm computer Very small Personal Digital Note taking or Data can Assistants contact synchronize computers (PDA) management with a desktop Department of Information Technology – The University of Haripur  Computers for Individual Use Smart phones Hybrid of cell phone Web surfing, e-mail and PDA access Department of Information Technology – The University of Haripur  Computers for Organizations Network servers Centralized All other computer computers connect Department of Information Technology – The University of Haripur  Computers for Organizations Network servers Provides access to Multiple servers are Often simply a powerful desktop: network resources called server farms Google Department of Information Technology – The University of Haripur  Computers for Organizations Network servers Users use the Internet as a means of connecting even if away from the offices. Department of Information Technology – The University of Haripur  Computers for Organizations Called midrange computers Minicomputer Power between mainframe and desktop Handle hundreds of users s Used in smaller organizations Users access through a terminal Department of Information Technology – The University of Haripur Computers for Organizations Mai Used in large organizations nfra Handle thousands of users Users access mes through a terminal Department of Information Technology – The University of Haripur Computers for Organizations The most powerful computers made Supercomputer Handle large and complex calculations s Process trillions of operations per second Found in research organizations Department of Information Technology – The University of Haripur  Reading Activity Business Banking and Financial Industrial Role of Areas Education compute Medical Legal r in Government Sport Entertainment Daily life Department of Information Technology – The University of Haripur  Parts of the Computer System Computer systems have four parts Hardwar Softwar e e Data User Department of Information Technology – The University of Haripur  Parts of the Computer System Mechanical Anything that Tell the Also Thousand computer s of devices in the can be what to called a programs computer touched do program exist Hardwar Softwar e e Department of Information Technology – The University of Haripur  Parts of the Computer System Data Users Pieces of information People operating the Computers organize and computer present data Most important part Tell the computer what to do Department of Information Technology – The University of Haripur  Information Processing Cycle Steps followed to process data Input Processing Output Storage Department of Information Technology – The University of Haripur  Essential Computer Hardware Computers Hardware use the categorized into four types same basic Input Proc Me Storag hardware esso r mor y & Outpu t e Device s Department of Information Technology – The University of Haripur  Essential Computer Hardware Department of Information Technology – The University of Haripur  Essential Computer Hardware Brains of the computer Processing Carries out instructions from the program Most computers have several processors devices Central Processing Unit (CPU) Processors made of silicon and copper Department of Information Technology – The University of Haripur  Essential Computer Hardware Stores data or programs Memor y Volatile Random Access Memory (RAM) Stores current data and programs More RAM results in a faster system device Read Only Memory (ROM) Permanent storage of programs s Holds the computer boot directions Department of Information Technology – The University of Haripur  Essential Computer Hardware Allows the user to interact Input and Input devices accept data Keyboard, mouse output Output devices deliver data Monitor, printer, speaker devices Some devices are input and output Touch screens Department of Information Technology – The University of Haripur  Essential Computer Hardware Storage devices Hold data Magnetic Optical and Different storage storage programs from RAM Floppy Uses a CD and Uses a laser and hard magnet to DVD to access permanently drive access data drives data Department of Information Technology – The University of Haripur  Software Runs the Machine Tells the computer what to Two types do System Application software software Department of Information Technology – The University of Haripur  Software Runs the Machine Syste Most important software Operating system m Windows XP Network operating system (OS) softwa Windows Server 2003 Utility Symantec AntiVirus re Department of Information Technology – The University of Haripur  Software Runs the Machine Accomplishes a specific task Most common Application type of MS Word software software Covers most common uses of computers Department of Information Technology – The University of Haripur  Computer Users Role Setup the system Install software depends Manage files Maintain the on ability system Run with no user “Userless” input Automated computers systems Department of Information Technology – The University of Haripur  Understanding the Internet The Internet The Web allows simplifie accessin The Web connects documents s the g Internet resource s Hyperte xt Docume HTTP creates nts are delivers links stored documen between on a web ts documen server ts Department of Information Technology – The University of Haripur  Understanding the Internet Web site is a collection Hypertext Markup of Language document s Pages Descri Conte Docum are bes cont s web enclos a web hed to pages ent tags web look Department of Information Technology – The University of Haripur  Understanding The Internet Browse rs Read and translate the HTML Display web content Uniform Resourc Address of a web page e Locator (URL) Department of Information Technology – The University of Haripur  Understanding The Internet Helper Plug-ins applicatio Enhance a browser’s ns functionality Sends the file in small Streaming chunks audio and Chunks downloaded while video others play Department of Information Technology – The University of Haripur  Using a Browser And The WWW Browser starts on the home page Navigating the web Enter a URL in the browser Click a link Links are typically blue underlined words Image maps are picture links When finished, close the browser Department of Information Technology – The University of Haripur  Searching the Web The Web is unorganized Directories Categori Search engines ze the Internet Find sites by keyword Department of Information Technology – The University of Haripur  The Internet’s Major Services Develop ed in 1993 by Tim- Berners Lee The Instantan Allowed World eous connecti Electronic transmissi Wide on of mail (e- on of Web documen mail) document (WWW) ts s Required a browser to read documen ts Department of Information Technology – The University of Haripur  The Internet’s Major Services File Transfer News Protocol (FTP) Electronic Sends and Often called discussions receives newsgroups on several files topics Department of Information Technology – The University of Haripur  The Internet’s Major Services Instant Peer-to-peer Chat messag services ing Allows Illegal to Public Private sharing share real time real time of files copyright conversa conversa among ed tion tion users material Department of Information Technology – The University of Haripur  Accessing The Internet Interne Company that provides Internet t access Service Provide r (ISP) Dialup Connects to Internet through phone line Modem connects to the phone line Slow connection Department of Information Technology – The University of Haripur  Accessing The Internet High-speed access Connect 2 – 25 times DSL, Cable, through a faster than T1 are special line dialup common Department of Information Technology – The University of Haripur  E-Mail (Electronic Mail) Exchanges messages with other users Messages Mail waits Text, audio, reach in mailbox pictures destination until and video in seconds opened messages Department of Information Technology – The University of Haripur  Using e-mail Outlook and Gmail are common Need Need name username of mail and server password Department of Information Technology – The University of Haripur  Using e-mail e-mail Unique address addres Allows sending and receiving ses [email protected] List Lists of e-mail addresses Each address gets the e-mail Department of Information Technology – The University of Haripur  Using e-mail e- Create a new message mail Send an attachment Reply to e-mail actio Open attachments Forward an e-mail ns Department of Information Technology – The University of Haripur  Other Internet Features Thousands of topics available Messages are called New threads Users can create threads s Users can comment on threads Need a news reader program Department of Information Technology – The University of Haripur  Other Internet Features File Copies files from a Transfe remote computer FTP client is needed r Some sites require a Protoco password l (FTP) Department of Information Technology – The University of Haripur  Other Internet Features Internet Relay Chat (IRC) Real time Multi-users All users can communicati with many read the on system channels comments Department of Information Technology – The University of Haripur