Changing the icon of your Hard Drive...

No comments   
Steps :- 1) Select an image 2) Convert it into .ico (128 X 128) format using softwares like ToyCon or goto converticon.com 3) Save the image as gimp.ico into the folder whose icon you want to change.You can save the image using any name. Here, I am saving it as gimp.ico 4) Then in that...

No comments   
A cookie which cannot be eaten... A cookie is some information that a Web site puts on your hard disk so that it can remember something about you at a later time. More technically, it is some information for future use that is stored by the server on the client side. If a user requests a page from some site and the site sends not just a page, but also a cookie containing the date and time,...

No comments   
WORMs.... A computer worm is a standalone malware computer program that replicates itself in order to spread to other computers. Often, it uses a computer network to spread itself Unlike a computer virus, it does not need to attach itself to an existing program Worms cause at least some harm to the network, even if only by consuming bandwidth, whereas viruses almost always corrupt or modify...

No comments   
INTERNET BOTS.. Several companies (Yahoo!, Microsoft, etc.) offer free email services. Few years ago, most of these services suffered from a specific type of attack: "bots" that would sign up for thousands of email accounts every minute  The solution to this problem was to use CAPTCHAs to ensure that only humans obtain free accounts. In general, free services should be protected...

No comments   
CAPTCHA..why to use it? The term CAPTCHA stands for Completely Automated Public Turing test to tell Computers and Humans Apart CAPTCHA is a program that protects websites against spammers by generating and grading tests that humans can pass but current computer programs cannot  In order to make the images resistant to OCR (Optical...

No comments   
Basic idea of Virtual memory.. With virtual memory, the computer can look for areas of RAM that have not been used recently and copy them onto the hard disk. This frees up space in RAM to load the new application The area of the hard disk that stores the RAM image is called a page file. It holds pages of RAM on the hard disk, and the operating system moves data back and forth between...

No comments   
what are CC and BCC in the e-mails..? cc - carbon copy bcc - blind carbon copy Suppose, there are 3 misters = Mr.A, Mr.B, Mr.C ---]] Taking CC into consideration:- One day, Mr.A sends one email to Mr.B and writes the name of Mr.C in 'cc' field of the compose message box. Now, Mr.B will be able to see that Mr.C has also got the copy of the email sent by Mr.A ---]]...

No comments   
Sleep v/s Hibernate.. Sleep, (also called Suspend) saves the information into your computer’s RAM and uses a small amount of power to keep the RAM and some system components active to allow you to quickly resume where you were Hibernate, on the other hand, saves the information to your hard drive then shuts down your computer. This uses the least power, but takes longer to...

No comments   
Does Folders take any space..? Folders (not the contents inside them) themselves hardly take any space on the hard drive. This is because the folders are really just pointers to files and other folders, telling the computer where the files or other folders are located. ...

No comments   
How to install a driver..? Steps:- Hold windows Key and then press Pause button.System properties will open. Go to hardware>Device Manager. A list of drivers will open. Check in which drivers a yellow question mark or some yellow colored indication will be given. This indication means that either the driver is not their or it is outdated. Search the name of that driver along with OS...

No comments   
What is the concept behind torrents..? A torrent also known as 'bittorrents’ coordinates the P2P transfer of files. A user playing the role of file-provider makes a file available to the network.  This first user's file is called a seed and its availability on the network allows other users, called peers, to connect and begin to download the seed file.  As...

No comments   
Why does a folder name becomes blue..? It is a way of saving the Disc's space. If the folder or file is in blue, then it means the particular folder or file has been compressed to save the disc space.  This property  applied on your folder can be changed, but if the...

No comments   
[21st March,2013] What does Java Update means..? Java is language on which many softwares, web applications like Applets , games, etc. <br>run. So, why does this java update notification is popped up on my screen on regular basis ?  Basically, that notification...

Error 734

No comments   
 Error 734..   " The PPP Link Control Protocol Was Terminated ” Error Message Occurs If You Try to Establish a Dial-Up Connection. This issue may occur if either of the following conditions are true:        a)  Multi-link negotiation is turned on for the single-link connection              b)...

What is a DATAGRAM in Networking...??

No comments   
Packets that goes through Datagram subnet are called datagrams.  Datagrams are independent packets having information about the sender, receiver & the message to be delivered.They take any route between the sender & receiver as there is no dedicated point-to-point channel established between them. Packets that goes through Virtual circuit subnet first...

No comments   
IPV4 VS IPV6.. IPV - 4 IPV - 6 Addresses are of 32 bits Addresses are of 128 bits IPSec is optional and can be supported externally IPSec support is not optional 4th version of Internet Protocol 6th version of Internet Protocol Format of IPv4 is 0.0.0.0 Format of IPv6 is 0.0.0.0.0.0 IPv4 are manually worked and with DHCP as an additional options IPv6...

No comments   
What is a Checksum..? A simple error-detection scheme (some formula) in which each transmitted message is accompanied by a numerical value based on the number of bits in the message. The receiving station then applies the same formula to the message and checks to make sure the accompanying numerical value is the same. If not, the receiver can assume that the message...

No comments   
Logical memory & Physical memory..?? Say an application needs something to be computed by the CPU  That application says to the CPU, "I'm going to send you 500 pieces of data, so I need a space in the memory that is 500 pieces of data big." So the CPU takes a look at the memory  Initially there is room for 10,000 pieces of data, but because there are other...

Why defragmentation of drives is necessary..?

No comments   
[21st Feb,2013] Defragmentation reduces Fragmentation in memory. To understand why defragmentation (or defrag) is necessary, let’s go over how a hard drive stores files. Our hard drive is made up of sectors and blocks. When a document, picture or some file wants to get saved on your hard drive, the drive needs to find enough space to put it. To make most efficient...