Word Processor

WrittenBy CarenaLimYunXian , Thursday, 28 April 2011 08:30

Word Processor is:
  • also known as document preparation system
  • a text editor that allows users to change the font features 
  • text manipulation functions that extend beyond a basic ability to enter
  • a spell checker that check the words you typed against the word list
  • a grammar checker that checks for what seem to be simple grammar errors
  • thesaurus that finds words with similar or opposite meanings
  • to allows users to delete text, cut or copy and paste sections of text

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Graphical User Guide (GUI)

WrittenBy CarenaLimYunXian , 08:00

Graphical User Interface(GUI) is:
  • a type of user interface that allows users to communicate with electronic devices using images or icons
  • a icon that represent commands, files or windows
  • a pointer that appears on the screen that users use to move around to select objects or cammand
  • a pointing device such as the mouse or trackball that allows users to select object on the screen
  • to make computer operation more intuitive and easier for the users
  • to provide users with immediate, visual feedback about the effect of each action

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Basic And Specialized Application Software

WrittenBy CarenaLimYunXian , Wednesday, 27 April 2011 18:19

  • Graphical User Interface (GUI)
  • Word Processor
  • Spreadsheet
  • DBMS
  • Utility
  • Web Authoring
  • Audio Editing Software
  • Bitmap Image
  • Desktop Publishing Program
  • HTML Editor
  • Image Editor
  • Multimedia
  • Vector Image

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Internet Security Suite

WrittenBy CarenaLimYunXian , Saturday, 23 April 2011 08:07

Internet Security Suite is:-
  • a suite of utilities for maintaining the security of a Windows PC
  • includes more than a dozen utilities(eg.antivirus,personal firewall,spam blocker,popup blocker and ect)

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Filter

WrittenBy CarenaLimYunXian , 08:03

Filter is:-
  • a program that accepts a certain type of data as input,transform it in some manner,and then outputs the transformed data
  • a pattern which all data are compared and only matching data are "passed through"
  • a device that selectively sorts signals and passes through a desired range of signals while suppressing the others in telecommunications
  • a particular effect that can be applied to an image or part of an image in photoshop and other graphic applications

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Plug-In

WrittenBy CarenaLimYunXian , 07:46

Plug-In is:-
  • a set of software components that adds specific abilities to a larger software application
  • to enable third party developers to create abilities which extend an application
  • to support easily adding new features
  • to reduce the size of an application
  • to separate source code from an application because of incompatible software licenses
  • commonly used in web browser to play videos,scan for viruses,display new file types and ect
  • examples of plug-ins:Adobe Flash Player,Quick Time,Eye Candy and ect

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FTP(Image)

WrittenBy CarenaLimYunXian , 07:35

FTP stands for "File Transfer Protocol".


FTP is:-
  • a simple network protocol based on Internet Protocol
  • a method which can be used by IP security cameras to transfer images from the camera to storage
  • allows servers to be located anywhere
  • allows servers to transfer files between two computers on the Internet
  • can be used for storing images at home

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Wikis

WrittenBy CarenaLimYunXian , 07:26

Wiki means "fast" in Hawaiian.


Wiki is:-
  • a website that allows the easy creation of interlinked web pages or a web browser using simplified markup language
  • a website that allows collaborative editing of its content and structure by its users
  • the simplest online database that could possibly work
  • invites all users to edit any page or to create new pages within the wiki Web site
  • promotes meaningful topic associations between different pages by making page link creation almost intuitively easy and showing whether an intended target page exists or not
  • allows for non-linear, evolving, complex and networked text, argument and interaction

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Blogs

WrittenBy CarenaLimYunXian , Friday, 22 April 2011 17:31

Blog is a blend of the term "web log".


Blog is:-
  • a type of website
  • maintained by an individual with regular entries
  • personal online diaries
  • contains text,images,links to other blogs,Web pages,and other media related topics
  • able readers to leave comments in an interactive format
  • a place to share personal experiences and hobbies

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Applets

WrittenBy CarenaLimYunXian , 17:23

Applets are:-
  • program designed to be executed from within another application
  • cannot be executed directly from the operating system
  • small in files size and cross-platform compatible
  • highly secure (can't be used to access users' hard drives)
  • ideal for small Internet applications accessible from a browser
  • small program that can be sent along with a Web page to a user
  • can perform simple tasks without having to send a user request back to the server(eg.interactive animations,immediate calculations)

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JavaScript

WrittenBy CarenaLimYunXian , 17:17

JavaScript is:-
  • a popular scripting language that is widely supported in Web browsers and other Web tools
  • maintained as source code embedded into an HTML page 
  • used to display a data entry form and validate the input
  • used to tie Java applets together
  • based on the Java syntax
  • cannot be used to create stand-alone programs
  • to validate form input, create image rollovers, and to open those annoying pop-up windows

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HTML

WrittenBy CarenaLimYunXian , 17:09

HTML stands for "HyperText Markup Language".


HTML is:-
  • the markup language for web pages
  • the basic building-blocks of web pages
  • written in the form of HTML elements(eg. forming the building blocks of all website)
  • allows images and objects to be embedded
  • used to create interactive forms

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URL

WrittenBy CarenaLimYunXian , 16:23

URL stands for "Uniform Resource Locator".


URL is:-
  • the address of a specific Web site or file on the Internet
  • it cannot have spaces or certain other characters
  • uses forward slashes to denote different directories
  • can be classified as Uniform Resource Identifier(URI)
  • used to identify a physical IP (Internet Protocol) address on the Internet
  • allow user to easily identify and remember an address on World Wide Web

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The Internet,The Web and Electromic Commerce

WrittenBy CarenaLimYunXian , Wednesday, 20 April 2011 18:04

  • URL
  • HTML
  • Javascript
  • Applets
  • Blogs
  • Wikis
  • FTP(Image)
  • Plug-in
  • Filter
  • Internet Security Suite

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Programmer

WrittenBy CarenaLimYunXian , 17:30

Programmer may be also known as:
  • Computer programmer 
  • Coder


Duties of a Programmer:
  • Writes computer software.
  • Practices or professes a formal approach to programming.
  • Correct errors by making appropriate changes. 
  • Recheck the program to ensure that the desired results are produced.
  • Write or contribute to instructions or manuals to guide end users.
  • Collaborate with computer manufacturers and other users to develop new programming methods.
  • Assign, coordinate, and review work and activities of programming personnel.

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Database Administrator

WrittenBy CarenaLimYunXian , 17:18

Database Administrator may be also known as:
  • DBA
  • Database Coordinator
  • Database Programmer


Jobs of a Database Administrator:
  • Establishing the needs of users and monitoring user access and security.
  • Mapping out the conceptual design for a planned database in outline.
  • Refining the logical design so that it can be translated into a specific data model.
  • Further refining the physical design to meet system storage requirements.
  • Installing and testing new versions of the database management system(DBMS)
  • Maintaining data standards, including adherence to the Data Protection Act.
  • Controlling access permissions and privileges.
  • Developing, managing and testing back-up and recovery plans.
  • Capacity planning.
  • Working closely with IT project managers, database programmers and web
    developers.

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System Analyst

WrittenBy CarenaLimYunXian , 17:01

Jobs of a System Analyst:
  • Translate client requirements into highly specified project briefs.
  • Drawing up specific proposals for modified or replacement systems.
  • Produce project feasibility reports.
  • Present proposals to clients.
  • Ensuring that budgets are adhered to and deadlines met.
  • Drawing up a testing schedule for the complete system.
  • Oversee the implementation of a new system.
  • Plan and work flexibly to a deadline.
  • Write user manuals.
  • Provide training to users of a new system.
  • Keeping up to date with technical and industry sector developments.


An system analysts must keep up to date with current data processing methods, programming languages, and machines.

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