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How Does a Computer Virus Spread, And How to Prevent it?

How does a computer virus spread? INFECTED PEN DRIVE, CD AND OTHER STORAGE MEDIA : storage media like compact disc or a pen drive may have a computer virus. Using infected storage medias helps virus to spread from one computer to another. INTERNET:  Viruses can get attached to various types of Internet files, such as, graphics and program files that people download from the internet. E - MAIL: V iruses are often transferred between computers as e- mail attachments. COMPUTER NETWORK: The computers on computer networks constantly share information if one file that is being used by several network user becomes infected with a virus. Virus quickly spread on the other us. How to prevent a virus from spreading? Use antivirus software. Scan your computer with antivirus on a regular basis.  Update your virus detection programs frequently in order to contract the new virus.  Scan the downloaded internet file with antivirus software before you use or run them . If you receive an e-mail attachme

All About Cloud Computing

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  Cloud Computing     Cloud computing is the on-demand delivery of IT resources over the Internet with pay-as-you-go pricing. Instead of buying, owning, and maintaining physical data centers and servers, you can access technology services, such as computing power, storage, and databases, on an as-needed basis from a cloud provider like Amazon Web Services (AWS),Microsoft Azure,etc. Hierarchy of Cloud Computing Services       Hierarchy of Cloud Computing Services refers to the wide variety of cloud computing services .The three main types of cloud computing include Infrastructure as a Service, Platform as a Service, and Software as a Service. Each type of cloud computing provides different levels of control, flexibility, and management so that you can select the right set of services for your needs.    1.Infrastructure as a Service- IaaS contains the basic building blocks for cloud IT. It typically