Wednesday, December 8, 2010

Disadvantages of Computer

Computer disadvantages are as follows; Violation of Privacy, it is crucial that personal and confidential records stored in computers be protected properly. Impact on Labor Force, although computers have improved productivity and created an entire industry with hundreds of thousands of new jobs, the skills of hundreds of thousands employees are replaced by computers. Health Risks, prolonged or improper computer use can lead to head injuries or disorders.Computer users can protect themselves from health risks through proper workplace design, good posture while at the computer, and appropriately spaced work breaks. Impact on the Environment, Computer manufacturing processes and computer waste are depleting natural resources and polluting the environment.
Following are some of the major disadvantages of computer networks.
  • Security Issues: One of the major drawbacks of computer networks is the security issues involved. If a computer is a standalone, physical access becomes necessary for any kind of data theft. However, if a computer is on a network, a computer hacker can get unauthorized access by using different tools. In case of big organizations, various network security software are used to prevent the theft of any confidential and classified data.
  • Rapid Spread of Computer Viruses: If any computer system in a network gets affected by computer virus, there is a possible threat of other systems getting affected too. Viruses get spread on a network easily because of the inter-connectivity of workstations. Such spread can be dangerous if the computers have important database which can get corrupted by the virus.
  • Expensive Set Up: The initial set up cost of a computer network can be high depending on the number of computers to be connected. Costly devices like routers, switches, hubs, etc., can add up to the bills of a person trying to install a computer network. He will also have to buy NICs (Network Interface Cards) for each of the workstations, in case they are not inbuilt.
  • Dependency on the Main File Server: In case the main File Server of a computer network breaks down, the system becomes useless. In case of big networks, the File Server should be a powerful computer, which often makes it expensive.

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