Computer Technology Information

Saturday, January 18, 2014

Expansion Cards and it's Types

Installation of Expansion Card

An Expansion Card in a Computer System is a small circut on Motherboad.It's gives the capability to computer to control input device, output device and storage device.Expansion card are used to increase the capability of the Computer System.
There are Four Main Types of Expansion Card are Following:

1.Sound Card
2.Graphics Card
3.Network Interface Card
4.Modem Card

Sound card receive sound in the digital form and convert it into in the form of speakers(Analog).

Graphic card are used to display output of the Computer on the monitor or LCD Screen.

Network card allow computers to Connect and Communicate with other Computers (System or Devices).

Modem card are used to travel data on the telephone lines.Dial up Connection and Digital Subscriber Line (DSL) are Connected via Modem Card to Computer.

Shortcut icon virus of Usb

Shortcut Virus Solved

These are the steps follow to remove shortcut icon virus of the usb.

First of all go to start then run and type cmd in the run

Let's Suppose your Flash drive letter is f:

Copy this Command

attrib -h -r -s /s /d f:\*.*

Right click on the cmd and the paste it.

Remember that f is your Flash Drive Letter

Press Enter and Check your Files in the Flash Drive.

Either you got the solution or not.

comment if it's working on your System or not.

Tuesday, January 14, 2014

How to Protect Computer System From Virus

Virus Stands for Vital information resource under siege.Virus is a program that can run automatically and also manually by user(User open file that contain Virus).It's type of Malware.

Following are the instructions that can protect your System From Virus.

Install Antivirus (Kaspersky, Avast, Avg etc)
Don't open folder using double click (open with right click and then Open)
Don't open External Usb without Scanning by Antivirus
Don't open shortcut files which are automatically generated by system.
Mostly .exe files contain virus so don't run .exe files from unauthorized dealer.
Protect your system from internet by using antivirus that scan websites.

These are the simple steps to follow,and you can protect your system easily from virus.

Monday, January 13, 2014

What are the Popular Application of Computer

Application of Computer

Following are the Mostly used Computer Application:
1.Graph
2.Pie Charts
3.Animated Graphics
4.Microwave oven
5.Watch
6.Calculator
7.Images
8.Books Printing
9.Online Scheduling
10.Inventory Tracking
11.Control AirPlanes
12.Weather Pridiction
13.Video Editing
14.Traffic Control Lights
15.On lights on specific time
16.Automatic Cars
17.Robots
18.3D Graphics
19.Camera
20.Digital Maps

These are the Most Popular Computer Application.

Sunday, January 12, 2014

What is JavaScript and How to Enable JavaScript In Google Chrome

What is JavaScript?

Java Script is Client Side Programming Language used for reducing the server load by adding information at client side.

To Enable JavaScript in your browser, follow these instructions:
Open Google Chrome Web Browser then customize setting and select setting
In setting select "Show advanced setting"
Then select privacy Tab Click on "Content Setting"

Then a dialog window will open Look at "JavaScript" section and then Allow "All Sites To Run JavaScript(Recommended)"
Click ok to save setting and then close it.
Then Close setting tab and close web browser.
Now, Open the browser and open page it will run JavaScript of the webpages.
It's the Simple way to Enable JavaScript in Google Chrome.

Saturday, January 11, 2014

HTML First HELLO WORLD Page

HTML is a Markup Language used to develop static page on the web.It's very simple and Easy Markup Language.To Develop a simple HTML page you require a text editor and a web browser to run and display a Web Page.

HTML Text Editor:

NotePad (Notepad++)
Microsoft FrontPage
Adobe Dream Weaver

HTML Support All Web Browser.

First HTML Sample Page

Code:
<html>
<head>
<title> HELLO WORLD </title>
</head>
<body>
<h1 align="center"><font color="blue" >HELLO WORLD </font></h1>
</body>
</html>

Write that upper code into notepad or dream weaver software and save this with .html or .html extension.
paste your page path on the web browser e.g C:/Users/Desktop/ComputerInformationTechnology.html and see your first hello world page on the WEB.

HTML is used to define the Structure of the Web Page.It's most usually used markup language on the Web.

Learn CSS (Cascading Style Sheet)

What is CSS?

CSS stands for Cascading Style Sheet.Cascading style sheet is used for styling the HTML Tags or Element.
HTML 4.0 provide facility to work with CSS.
There are three ways to add CSS in HTML

Inline Cascading Style Sheet
Internal Cascading Style Sheet
External Cascading Style Sheet

Inline Cascading Style Sheet is most power full and it's written in the HTML tag e.g <p style='color="red"'></p>.It mean in paragraph font color is red.

Internal Cascading Style Sheet is written on the head tag of the HTML page.It is less powerful then inline and More power full then External Cascading Style Sheet.e.g
<Head>
<style>
p { color: red;}
/* Comment in CSS */
</style>
</Head>
It also mean color of paragraph in HTML code is Red.

External Cascading Style Sheet is used externally by making a separate file with .css extension. we can add this file into the head tag of the HTML page.e.g.
<Head>
<link rel="stylesheet" type="text/css" href="compinfotechnology.css">
</Head>

Friday, January 10, 2014

Learn HTML (Make Your Own Static Web Page)

What is HTML?

HTML stands for Hyper Text Markup Language is a pure markup language which is used to develop static pages on the web.It's not a programming language and also it's not case sensitive language.HTML is a widely used markup language.
HTML Main Syntax:
<HTML> Starting Tag of HTML

<HEAD>
<TITLE>In the title tag we write title of the website which is shown on the web browser tab</TITLE>
</HEAD>
<BODY>

MY First Page IN HTML
In The Body of HTML we can make header footer content of the website or a webpage.We use HTML tag i.e <h1>For Heading</h1><p> For Paragraph </p> <li> For listing </li> etc.
</BODY>

</HTML>Ending Tag of HTML

HTML syntax is like human body first head then body.Head tells body to perform.We save HTML file with .HTML or .HTM extensions eg compinfotechnology.html or compinfotechnology.htm.This is all about making a Simple HTML Page.

Learn About Web Development

Web Development is a term that means making you own website on the web.You can make you own websites using web languages easily.There are two types of websites exists on the web.

1.Static (HTML,CSS)
2.Dynamic (PHP,Java,ASP.NET etc)

Static Websites are simple like a single page which does not involve any Server e.g. like a simple page which cannot involve any change from outside server.This Blog is also Example .Database is not involve in static websites.HTML (Hyper Text Markup Language) is basis for making static pages and CSS(Cascading Style Sheet) is used for styling HTML tags.

Dynamic Websites are like Google+ , Facebook which involves changes in webpages.Dynamic websites have a server and a database is working on backend of the websites.Dynamic Websites are high quality and interactive websites and most popular and mostly used websites.PHP (Hypertext Preprocessor),Java and ASP.NET Programming Languages are Use to Develop Dynamic Websites.

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