WHAT ARE THE TYPES OF INTERNET CONNECTIONS?

*DAIL-UP CONNECTION:-This connects internet through telephone lines whenever needed.Usually this is used in home computers.

*LEASED LINE CONNECTION:-This connects using special communications line(like optical fibres)which provide internet connection throughout the day.

*CABLE TV NETWORK:This connects us to internet using satellite link which is becoming popular in india.

*DSL(DIGITAL SUBSCRIBER LINE):-This is 140 times faster than the modems available in our country.DSL modem becomes faster because it uses special types of copper wires.
DSL modem works in two different ways.Frequency below 4 kilo hertz is kept for sound transfer and the frequency above that is used for other types of data transfer.DSL modem can download information at a speed of 64 KB to 1.5 MB per second.

When we register with the internet service provider,they provide us the user name,password and email address.The password must be kept very confidential.To keep it confidential,change the password frequently and use numbers and other signs together with alphabets.

WHAT IS HACKING?

The spy who enters into a confidential data,software or website belonging to other people through internet is called a 'HACKER'

There are many countries who got lots of internet problem because of hackers,even in India,so many times the hackers troubled many sites.Three days before the nuclear explosion at Pokhran,hackers have intruded into the computer network of Bhabha Atomic Research Centre.They tried for 13 minutes and 52 seconds (Fortunately they were unable to get any sensitive information).This way,hacking is done in many countries in the computer network for getting confidential data from the departments of defence.

The consequences of hacking is very high.The hackers earn millions of dollars by selling confidential information they receive by hacking.Recently almost all countries have made legislation to regulate cyber crimes.But the lawyers are doubtful whether this can be controlled by drafting law.There are differences of option in establishing these legislations.

WHAT IS BANDWIDTH?

The amount of information that can be carried by a channel is called bandwidth.When more people use the internet at a time,the cable with low bandwidth becomes slow in the transfer of information.The higher the bandwidth the more is the amount of the data that can be transfered.

More connectivity and more bandwidth are required for E-commerce.The cabling in all countries is done in private sector.Only in india,cabling is the monopoly of the government.The policy of government is changing and many companies have informed their willingness to invest in this field.Presently the maximum available bandwidth is 165MB per second which is lesser than the bandwidth provided by even underdeveloped countries in africa.

WHAT IS WEBSITE DOWNLOAD MANAGER?

           Downloading is a familiar term to any internet user.Transferring any required information from the internet to our computer is caller downloading.We can download software's,mp3,video,pictures etc from the internet.

           One of the major problems during the internet browsing is the slow speed which results in higher spending.If we want to download a website we have to visit all the pages and save it in the hard disk drive.But instead of that we can completely download the website to hard disk drive and browse it offline at our convenience.The software's used for this purpose are called download managers.

           Web Copier is one of the important download managers.If we give the address of the website to download,Web Copier will download the website to the hard disk drive much faster than normal browsing.We can browse this website offline.One of the problems with complete downloading of a website is the size.Some website may contain thousands of pages,so it may take lot of time for complete download.A download once started can complete in stages.When the internet is disconnected during download,the download will continue when the connection is restored.

HOW TO DOWNLOAD FACEBOOK ALBUM IN ONE CLICK WITH FACEPAD

Facebook is very famous for sharing photos and many other things and our friends,families share their photos to relatives,friends etc.And if we want to download that full album then it takes some time,so if you want to download full album then try facepad.FacePAD is great for downloading photos,through facepad you can download full album with single click.FacePAD supports many language like english,german,spanish,french etc.

If you are looking for facepad downloader then go to tools option in firefox browser and click adds on and in search bar type facePAD and then click on add to firefox and after this it will ask you for installation,click install and finish.After completing your installation,donload from friends album follow these steps:


1.Right click your mouse on the name or in link album

2.And after this click download album with facePAD option.

3.After this a javascript pop-up will appear for downloading and press ok.

4.And then your download will complete and enjoy your album.