Kamis, 30 April 2009
Senin, 13 April 2009
How Do I Know If My PC Is Infected With Spyware or Adware
any people that are new to the Internet world are nervous about the potential of viruses, Spyware or Adware that can harm their computer, affect performance or make their very private information public to others.
Spyware programs can do a number of damaging things to your personal computer. Spyware infects your pc and hides in the background and can do many nasty things to the performance of your system. It can also do harmful things to you such as send out your personal information, your every keystroke and photo that resides on your hard drive, watch your surfing habits and shopping habits and annoy you with annoying pop-ups filled with advertisements and even pornography.
Spyware programs can do a number of damaging things to your personal computer. Spyware infects your pc and hides in the background and can do many nasty things to the performance of your system. It can also do harmful things to you such as send out your personal information, your every keystroke and photo that resides on your hard drive, watch your surfing habits and shopping habits and annoy you with annoying pop-ups filled with advertisements and even pornography.
If you are experiencing any unusual changes in your computer's performance or have any unusual new pop-ups, changes to your toolbars or new icons on your desktop, you should run a system scan to find out if you have Spyware. Products exist on the market to help you combat this problem. Be sure to install software that you know is credible. Downloading freeware can often result in further Spyware existing on your computer. Spyware, Adware and Malware companies frequently fool users into sending pop-ups telling them that there's a problem with their computer and this in fact is further spyware. These errors can open your system up to future further problems by fooling people into thinking they're downloading fixes when really further spyware is being downloaded.
Watch your system's performance and at the sign of any unusual activity, realize that you are probably infected. Do something as soon as possible to protect your privacy. These programs don't discriminate and can launch themselves when you or your family members sit in front of the computer. Pornographic pop-ups can turn up whether it's an adult or a child using the computer. Protect your pc.
Antivirus alone isn't enough to combat this problem. Spyware sneaks into your system via executable files that you don't need to do anything to launch. They can sneak in as attachments that you download or by many other means. They're harmful and annoying but you can protect your computer and your privacy with the right software. This software needs to have an auto update for spyware definitions as new spyware definitions are being added daily. So a spyware removal program is a great compliment to your existing anti-virus software.
Total Innovations, Inc. specializes in developing award winning software programs designed to solve computer users needs. The spyware removal software, http://www.emailspy.com & http://www.folderhider.com are a few of the most recent. See full details at: http://www.spyblaster.com
Rabu, 08 April 2009
computer generasi 3
Third Generation
Although the transistor in many cases surpass tube vacuum cleaner, but the transistor produces a large amount of heat, which can potentially damage the internal parts of the computer. Quartz stone (quartz rock) eliminate this problem. Jack Kilby, an engineer at Texas Instrument, developed integrated circuits (IC: integrated circuit) in the year 1958. IC combines three electronic components in a small Silicon plate made of quartz sand. Scientists on the successful and then enter more components into a single chip called a semiconductor. The result, computers become increasingly smaller as komponenkomponen can dipadatkan in the chip. The progress of third-generation machines is the use of other operating systems (operating system) that allows the engine to run a variety of different programs simultaneously with a main program that monitors and coordinates the computer memory.
> tukar
Selasa, 07 April 2009
second-generation computer
Pada tahun 1948, penemuan transistor sangat mempengaruhi perkembangan komputer. Transistor menggantikan tube vakum di televisi, radio, dan komputer. Akibatnya, ukuran mesin-mesin elektrik berkurang drastis.
Transistor mulai digunakan di dalam komputer mulai pada tahun 1956. Penemuan lain yang berupa pengembangan memori inti-magnetik membantu pengembangan komputer generasi kedua yang lebih kecil, lebih cepat, lebih dapat diandalkan, dan lebih hemat energi dibanding para pendahulunya. Mesin pertama yang memanfaatkan teknologi baru ini adalah superkomputer. IBM membuat superkomputer bernama Stretch, dan Sprery-Rand membuat komputer bernama LARC. Komputerkomputer ini, yang dikembangkan untuk laboratorium energi atom, dapat menangani sejumlah besar data, sebuah kemampuan yang sangat dibutuhkan oleh peneliti atom. Mesin tersebut sangat mahal dan cenderung terlalu kompleks untuk kebutuhan komputasi bisnis, sehingga membatasi kepopulerannya. Hanya ada dua LARC yang pernah dipasang dan digunakan: satu di Lawrence Radiation Labs di Livermore, California, dan yang lainnya di US Navy Research and Development Center di Washington D.C. Komputer generasi kedua menggantikan bahasa mesin dengan bahasa assembly. Bahasa assembly adalah bahasa yang menggunakan singkatan-singakatan untuk menggantikan kode biner.
Pada awal 1960-an, mulai bermunculan komputer generasi kedua yang sukses di bidang bisnis, di universitas, dan di pemerintahan. Komputer-komputer generasi kedua ini merupakan komputer yang sepenuhnya menggunakan transistor. Mereka juga memiliki komponen-komponen yang dapat diasosiasikan dengan komputer pada saat ini: printer, penyimpanan dalam disket, memory, sistem operasi, dan program.
Salah satu contoh penting komputer pada masa ini adalah IBM 1401 yang diterima secara luas di kalangan industri. Pada tahun 1965, hampir seluruh bisnis-bisnis besar menggunakan komputer generasi kedua untuk memproses informasi keuangan.
Program yang tersimpan di dalam komputer dan bahasa pemrograman yang ada di dalamnya memberikan fleksibilitas kepada komputer. Fleksibilitas ini meningkatkan kinerja dengan harga yang pantas bagi penggunaan bisnis. Dengan konsep ini, komputer dapat mencetak faktur pembelian konsumen dan kemudian menjalankan desain produk atau menghitung daftar gaji. Beberapa bahasa pemrograman mulai bermunculan pada saat itu. Bahasa pemrograman Common Business-Oriented Language (COBOL) dan Formula Translator (FORTRAN) mulai umum digunakan. Bahasa pemrograman ini menggantikan kode mesin yang rumit dengan kata-kata, kalimat, dan formula matematika yang lebih mudah dipahami oleh manusia. Hal ini memudahkan seseorang untuk memprogram dan mengatur komputer. Berbagai macam karir baru bermunculan (programmer, analyst, dan ahli sistem komputer). Industri piranti lunak juga mulai bermunculan dan berkembang pada masa komputer generasi kedua ini.
