is it that Computer Hacking is something we don’t ever hear about? Hundreds of Hackers every day break into banks and businesses and steal valuable information or even money from people such as ourselves. They are other hackers that start viruses and worms through big computer networks that can destroy all your information you have and your computer. Hackers use everyday things to start computer eaters‚ which is why we have those annoying viruses and worms everywhere in computers. We use anti-viruses
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of malware. They spread over computer networks by finding operating system vulnerabilities. Worms typically cause harm to their host networks by consuming bandwidth and shorting out web servers. Generally‚ the intent of the worm is to be malicious. There are some worms however‚ which do not have malicious intent. They are referred to as anti-worms. Computer worms are classified as a type of computer virus‚ but there are several characteristics that distinguish computer worms from regular viruses
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9-710-442 FEBRUARY 14‚ 2010 JAN W. RIVKIN Revitalizing Dell From the early 1990s until the mid-2000s‚ Michael Dell and his company thrived in the tumultuous personal computer industry. Revenue of Dell Inc. rose from $3.5 billion in 1993 to $55.9 billion in 2005‚ making Dell the world’s largest producer of PCs‚ while net income climbed from $149 million to $3.6 billion. In many of those years‚ Dell earned more on PCs than all of its main rivals combined‚ and among top vendors‚ only Dell
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HISTORY OF COMPUTER Abacus - The First man-made computing device. - It can perform addition and subtraction - invented in China Pascal’s calculating machine/Pascaline - The first mechanical calculator - Invented by Blaise Pascal - Can perform addition & subtraction Leibnitz calculator - First general-purpose calculating machine - Extended version of Pascal Calculating machine - Can perform multiplication and Division - Invented by Gottfried Leibnitz Automatic
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Q1.What are the main types of software? What are the advantages of open-source software? Describe the decision making process of acquiring application software. Q2.“In the end‚ information system is recognized only as a foundation for human judgment‚ insight and inventiveness”. Discuss. What are different types of controls and audits required for an information system? Q3.What is computerized maintenance management? Explain the conceptual model through which the maintenance function can achieve
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Overview of the Computer System This lesson includes the following sections: • The Parts of a Computer System • Looking Inside the Machine • Software: Bringing the Machine to Life The Parts of a Computer System • What is a Computer? • Hardware • Software • Data • Users The Parts of a Computer System - What is a Computer? • A computer is an electronic
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TYPES OF COMPUTERS The types of computers range from the Hybrid to the Analog types. The computers you come across in the daily course of your day range from laptops‚ palmtops and towers‚ to desktop computers‚ to name a few. But the very word “computers” reminds one of the desktop computers used in offices or homes. Different categories of computes have been devised in keeping with our varied needs. The Types Of Computers: Analog and Hybrid (classification based on operational principle)
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The Benefits/Non-benefits of Online Interactions 1. Introduction The internet has become a more and more relied upon medium in peoples’ everyday lives over the past decades since its inception. People use it to do their shopping‚ do their taxes‚ research any number of topics‚ and engage in communications. People send emails to one another‚ receive online help with various problems‚ and carry on real time conversations using chat rooms and instant messengers. Several studies have been completed
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INTRODUCTION Computer networking is the engineering discipline concerned with the communication between computer systems or devices. A computer network is any set of computers or devices connected to each other with the ability to exchange data. It is sometimes considered a sub-discipline of telecommunications‚ computer science‚ information technology and computer engineering since it relies heavily upon the theoretical and practical application of these scientific and engineering disciplines
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Effects of Computer on Society Everyone knows that this is the age of computer and majority of people are using computer. Development of science and technology has direct effect on our daily life as well as in our social life. Computer technology has made communication possible from one part of the world to the other in seconds. They can see the transactions in one part of the world while staying in the other part. Computer development is one of the greatest scientific achievements of the 20 the
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