Computer Concepts Virtual Reality 8/1/2012 Submitted to: Sir Mujtaba Memon Group Members: Zainab Imtiaz (11915) Komal Shamim (12788) Zara Iqbal (11335) Halima Muhammad Hussain (13670) Contents Letter of Transmittal 3 Introduction 4 Definition of Virtual Reality 4 Advantages of Virtual Reality: 4 Disadvantages of Virtual Reality 6 Types of Virtual World 7 Virtual Entertainment: 7
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switched telephone network (PSTN) and video broadcasting applications. However‚ with daily technology advancements made in society and the requirement for global data connectivity‚ satellites are increasingly being used to provide data communication links at all data rates ranging from 64 Kbps to 155 Mbps (Buchsbaum). Wireless technology allows data to be sent out into space to a satellite and back to earth to provide connectivity among many different network clients. The network can be designed to
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1 Firewall in computer networks Firewall: A set of related programs‚ located at a network gateway server‚ which protects the resources of a private network from users from other networks using security policies. The Internet has made large amounts of information available to the average computer user at home‚ in business and in education. For many people‚ having access to this information is no longer just an advantage‚ it is essential. Yet connecting a private network to the Internet can expose
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people in various places. Companies can get many advantages by using Internet network to support their business. Therefore‚ companies are trying as hard as they can‚ and give high effort in protecting their network from attack and make sure that they have the best network security. Most people think that the threat of security attack is only come from outside the company. In fact‚ the attack from inside the company network is more harmful with high frequency to be happened. As written by Cryptek (2001)
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Definition: A virtual workplace is a workplace that is not located in any one physical space. Rather‚ several workplaces are technologically connected (via the Internet) without regard to geographic boundaries. A virtual workplace decreases unnecessary costs by integrating technology processes‚ people processes‚ and online processes. History: With information technology playing a greater role in the daily operations of organizations today‚ virtual workplaces are beginning to replace the traditional
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Network Security Concepts Name NTC 410 Instructor ’s Name November 1‚ 2005 File security falls into two categories‚ encryption and access. Access to files can mean physical access to a computer with unsecured files or access via user permissions or privileges in the form of access control lists (ACLs) (Strengthen Your Users ’ File Security‚ 2003). The files kept on a server with NTFS storage can be locked to prevent anyone who does not have the correct permissions from opening them. This is
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1-3 Virtual Banks Defined……………………………………………….….….p. 1 Brief History…………………………………………………………..……p. 1-2 Competition………………………………………………………….……..p. 3 Major Players……………………………………………………………….p. 3 Use Amongst Canadians: ……………………………………………….….p. 4 Some Statistics Benefits vs. Drawbacks of Virtual Banks…………………………………………...p. 4-6 Advantages ………………………………………………...…………….... p. 5-6 Disadvantages………………………………………...……………………..p. 7-8 Implementation of Virtual Banks in
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Proceedings of IEEE CCIS2012 AN ID-BASED MULTIPLE AUTHENTICATION SCHEME AGAINST ATTACKS IN WIRELESS SENSOR NETWORKS Siwei Peng Dept. of Computer Science‚ Beijing University of Posts and Telecommunications‚ Beijing 100876‚ China saul.perceive@gmail.com Abstract A wireless sensor network (WSN) consists of a number of tiny‚ low-cost‚ and resource-constrained sensor nodes‚ but is often deployed in unattended and harsh environments to perform various monitoring tasks. Therefore‚ WSN is venerable
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However‚ in recent years the idea of drug decriminalization has gained ground. In the article‚ “Why Punish Drug Users at All?” Philosophy professor Douglas Husak suggests this may be necessary from a moral perspective‚ positing that punishing people as a means to condition them against an action violates their freedom of choice. With this
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Network Security at OSI Layers Muhammad Muzammil Syed Zeeshan Nasir Department of computer science FUUAST‚ Islamabad 1-OSI Model: In 1983‚ the International Organization for Standardization (ISO) and the International Telegraph and Telephone Consultative Committee (CCITT) merged documents and developed the OSI model‚ which is based on a specific hierarchy where each layer builds on the output of each adjacent layer. The OSI model is a protocol stack where the lower layers deal primarily
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