Tampilkan postingan dengan label CD. Tampilkan semua postingan
Tampilkan postingan dengan label CD. Tampilkan semua postingan

Rabu, 29 Juni 2011

How to protect your Computer. Wery useful Tips

Today, many people rely on computers to do homework, work, and create or store useful information. Therefore, it is important for the information on the computer to be stored and kept properly. It is also extremely important for people on computers to protect their computer from data loss, misuse, and abuse. For example, it is crucial for businesses to keep information they have secure so that hackers can’t access the information. Home users also need to take means to make sure that their credit card numbers are secure when they are participating in online transactions. A computer security risk is any action that could cause lost of information, software, data, processing incompatibilities, or cause damage to computer hardware, a lot of these are planned to do damage. An intentional breach in computer security is known as a computer crime which is slightly different from a cypercrime. A cybercrime is known as illegal acts based on the internet and is one of the FBI’s top priorities. There are several distinct categories for people that cause cybercrimes, and they are refereed as hacker, cracker, cyberterrorist, cyberextortionist, unethical employee, script kiddie and corporate spy. The term hacker was actually known as a good word but now it has a very negative view. A hacker is defined as someone who accesses a computer or computer network unlawfully. They often claim that they do this to find leaks in the security of a network. The term cracker has never been associated with something positive this refers to someone how intentionally access a computer or computer network for evil reasons. It’s basically an evil hacker. They access it with the intent of destroying, or stealing information. Both crackers and hackers are very advanced with network skills. A cyberterrorist is someone who uses a computer network or the internet to destroy computers for political reasons. It’s just like a regular terrorist attack because it requires highly skilled individuals, millions of dollars to implement, and years of planning. The term cyperextortionist is someone who uses emails as an offensive force. They would usually send a company a very threatening email stating that they will release some confidential information, exploit a security leak, or launch an attack that will harm a company’s network. They will request a paid amount to not proceed sort of like black mailing in a since. An unethical employee is an employee that illegally accesses their company’s network for numerous reasons. One could be the money they can get from selling top secret information, or some may be bitter and want revenge. A script kiddie is someone who is like a cracker because they may have the intentions of doing harm, but they usually lack the technical skills. They are usually silly teenagers that use prewritten hacking and cracking programs. A corporate spy has extremely high computer and network skills and is hired to break into a specific computer or computer network to steal or delete data and information. Shady companies hire these type people in a practice known as corporate espionage. They do this to gain an advantage over their competition an illegal practice. Business and home users must do their best to protect or safeguard their computers from security risks. The next part of this article will give some pointers to help protect your computer. However, one must remember that there is no one hundred percent guarantee way to protect your computer so becoming more knowledgeable about them is a must during these days. When you transfer information over a network it has a high security risk compared to information transmitted in a business network because the administrators usually take some extreme measures to help protect against security risks. Over the internet there is no powerful administrator which makes the risk a lot higher. If your not sure if your computer is vulnerable to a computer risk than you can always use some-type of online security service which is a website that checks your computer for email and Internet vulnerabilities. The company will then give some pointers on how to correct these vulnerabilities. The Computer Emergency Response Team Coordination Center is a place that can do this. The typical network attacks that puts computers at risk includes viruses, worms, spoofing, Trojan horses, and denial of service attacks. Every unprotected computer is vulnerable to a computer virus which is a potentially harming computer program that infects a computer negatively and altering the way the computer operates without the user’s consent. Once the virus is in the computer it can spread throughout infecting other files and potentially damaging the operating system itself. It’s similar to a bacteria virus that infects humans because it gets into the body through small openings and can spread to other parts of the body and can cause some damage. The similarity is, the best way to avoid is preparation. A computer worm is a program that repeatedly copies itself and is very similar to a computer virus. However the difference is that a virus needs o attach itself to an executable file and become a part of it. A computer worm doesn’t need to do that I seems copies to itself and to other networks and eats up a lot of bandwidth. A Trojan Horse named after the famous Greek myth and is used to describe a program that secretly hides and actually looks like a legitimate program but is a fake. A certain action usually triggers the Trojan horse, and unlike viruses and worms they don’t replicate itself. Computer viruses, worms, and Trojan horses are all classifies as malicious-logic programs which are just programs that deliberately harms a computer. Although these are the common three there are many more variations and it would be almost impossible to list them. You know when a computer is infected by a virus, worm, or Trojan horse if one or more of these acts happen: ? Screen shots of weird messages or pictures appear. ? You have less available memory then you expected ? Music or sounds plays randomly. ? Files get corrupted ? Programs are files don’t work properly ? Unknown files or programs randomly appear ? System properties fluctuate Computer viruses, worms, and Trojan horses deliver their payload or instructions through four common ways. One, when an individual runs an infected program so if you download a lot of things you should always scan the files before executing, especially executable files. Second, is when an individual runs an infected program. Third, is when an individual bots a computer with an infected drive, so that’s why it’s important to not leave media files in your computer when you shut it down. Fourth is when it connects an unprotected computer to a network. Today, a very common way that people get a computer virus, worm, or Trojan horse is when they open up an infected file through an email attachment. There are literally thousands of computer malicious logic programs and new one comes out by the numbers so that’s why it’s important to keep up to date with new ones that come out each day. Many websites keep track of this. There is no known method for completely protecting a computer or computer network from computer viruses, worms, and Trojan horses, but people can take several precautions to significantly reduce their chances of being infected by one of those malicious programs. Whenever you start a computer you should have no removable media in he drives. This goes for CD, DVD, and floppy disks. When the computer starts up it tries to execute a bot sector on the drives and even if it’s unsuccessful any given various on the bot sector can infect the computer’s hard disk. If you must start the computer for a particular reason, such as the hard disk fails and you are trying to reformat the drive make sure that the disk is not infected. More about Computers and Internet on : http://bestofcomputers.blogspot.com Find some useful TIPS about investment and financing on: http://investmentandfinancing.blogspot.com

Jumat, 06 Mei 2011

How Is The Audio Craze Sounding?

Sound effects sell. It's just one type of audio that has joined the race on the information superhighway to fulfill its promise, which some of us have been asking for and using for well over a decade now: The ability to send sound effects from a web site to a client at a moment's notice. Knowing that kind of thing sometimes makes it hard to believe that there was a time when sound effects discs took weeks to arrive! Weeks! And, when they did ar- rive, occasionally they were of pretty shoddy quality, requiring us to take hours to sort through the "sound catalog" and make functional. All self-professed "audio geeks" and sound engineers alike are relieved, to say the very least, that those days have passed. Today, companies are looking for better and easier ways to make their audio libraries accessible to a greater number of users, while making sure their files are at higher resolution and ready to pop in to an already-running production. That said, the latest craze of downloadable single files or entire libraries has been hampered by a bevy of issues. Not only is the Internet's increasingly narrow bottleneck a concern, but so are any number of software compatibility problems and the high cost of putting those files on the Internet. Though most com- panies "audition" sounds on the Web, and a quick per- usal of home pages allows for more specific searches, the overwhelming feeling is that the compact disc method of distribution will not disappear any time soon. The Internet has, however, allowed these audio post houses to offer their own libraries online. In fact, one quick search for "audio: sound effects" generates nearly 1 million links to some of the more established companies as well as to some of the more obscure ones. One thing is for sure. As the number of general sound effects catalogs have grown over the years, demand seems to be decreasing. So, some companies are turning more and more to specialized discs. Maybe there are a lot of general libraries out there, and people don't need another general library. However, more special- ized libraries are coming to the marketplace, People are considering more "niche" categories of sounds and just going out, recording them, and posting them on their web site. It's as simple as that, but it's also very, very com- petitive among big business as well as audio entrepre- neurs or enthusiasts. For example, any high-end automobile TV ad campaign is going to go directly to these kinds of links to locate the best "sound quality" for their ad. For ex- ample, that secure sound of the door shutting on a brand-new car in a TV commercial takes hours and hours of research. And that sound comes from one of these audio posts, which means someone just made a lot of money. Sound sells. It sells more than you'd think, and it's one of those "I've never thought about it," kinds of subconscious realities we "hear" every day. So the next time you see a luxury car commercial on TV, really listen.

Kamis, 01 Juli 2010

Choosing An MP3 Player To Groove To

If you've decided that you want get yourself a portable MP3 player, or digital music player, you've probably discovered that there are myriads of choices to choose from. Not only that, you can easily spend fifty dollars or five hundred dollars on an MP3 player.

In this article, I'll go over the three major categories of MP3 players, with tips for choosing the best one.

1: MP3 CD Players
An MP3 CD player is a digital music player that plays CDs – either standard audio CDs or MP3 CDs. MP3 CDs use a different file format than standard CDs, so they can hold many times the number of songs a standard CD can. With most computers, you can easily burn MP3 CDs for use with your player.

2: Flash Based MP3 Players
A Flash Based Player uses a static form of media such as a memory card to store your digital music on. You can get Flash based players that hold any where from 64MB (about 15-20 songs) up to several Gigabytes of music.

Flash players are general the toughest of the three types, and can take knocks and bangs better. My flash based player (a Rio Sport model) has been dropped and kicked many times while running, but it still goes strong.

Most flash players use a USB interface to connect to your computer so you can easily load them up with music.

3: Hard drive based MP3 Players
As the name suggests, a hard drive MP3 player uses a hard drive to store your music on. They generally have the largest storage capacity, up to about 100 GB of music, which will hold all but the very largest of music collections. Just like flash players, most hard drive players use a USB interface to connect to your computer so you can easily load them up with music.

Jumat, 18 Juni 2010

CD/DVD Burning on your Personal Computer

Recently CD’s and DVD’s have become very cheap, both in respect to the disposable media and the burning hardware. Buying a CD or DVD burner has become an affordable solution to making back-ups and a lot more.

CD media and burners have been around for a very long time. They have become very affordable for many. CD’s have a capacity of 750mb and re-writable ones can be bought. CD burners have dropped dramatically in price. So much so that they have become an absolute standard for any new computer. Some computers have multiple CD burners to make burning multiple copies of data a lot easier.

DVD media and burners were released a while after CD’s. They cost more than CD’s but also offer better features such as 4.7gb of storage space and compatibility with DVD players. DVD burners and media cost more than CD’s but the price gap is slowly closing. Most new computer will have DVD burners or at the very least DVD readers.

Using removable media for task such as back-ups, movies or music has become very popular with consumers. It’s simple, can be taken anywhere and is very affordable. In the case of back-ups it’s a viable solution to making off-site back-ups of important data and documents.

These two technologies have become a part of everyones lives but may soon become obsolete. In the near future different technology standards will be released. Sony is set to release the blu-ray technology that’s set to change the way we exchange data. It will have at least double the storage space of DVD’s and products such as the Playstation will incorporate this new standard.

The second is HD-DVD. This stands for High Definition DVD. This will have an even sharper image than the current DVD’s and will also have a lot more storage space. Deciding when to embrace these new technologies will be up-to the consumers.