Sholes who was issued a patent for a typewriter on July 14‚ 1868. The QWERTY keyboard is named after the five letter keys located at the top left side of the keyboard and is now the official standard of computer keyboards (ISO 9995). Today‚ the QWERTY keyboard is the most commonly found and used computer keyboard in the United States. 2. Why do you think the QWERTY keyboard is the most popular method of data entry? The QWERTY keyboard is the most popular method of entering data because an easy
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Components and Devices Objectives This chapter covers the following CompTIA-specified objectives for the “Media and Topologies” and “Protocols and Standards” sections of the Network+ exam: 1.6 Identify the purpose‚ features‚ and functions of the following network components: . Hubs . Switches . Bridges . Routers . Gateways . CSU/DSU . Network interface cards (NICs) . ISDN adapters . Wireless access points (WAPs) . Modems . Transceivers (media converters) . Firewalls . A wide range of devices is used
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Computers have become such indispensable devices in the modern era that we cannot imagine life without computers. However‚ there have been different ideas on the benefits of computers. In my opinion‚ computers do more good than harm because they can make life easier and also can help our work become more systematically and productively. Firstly‚ computers give many advantages as they can make life easier. As a student‚ many works must be done by using computer such as assignment and presentation
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In 2013‚ smart devices are not just a luxury‚ but have become a necessity. People of all ages‚ ranging from elementary school to senior citizens‚ use smart devices. Just like any other technology‚ there are benefits and disadvantages that come along with it. Smart devices provide countless services to its owner‚ and are great tools. They only become a problem when they are heavily and unnecessarily relied upon. Although people view smart devices as useful tools‚ nevertheless they have this potential
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Computers Computers have made life easier for the human race. Americans today take for granted the great impact the computer has on their lives‚ making things easier‚ faster‚ and more convenient for them. Computers helped the world a lot and helped us take a large step into the future. Almost anything you know is run or made by computers‚ industry‚ cars‚ jets‚ and ect. Computers are the most important innovations in history‚ without computers the world would not be able to function in the
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last term’s work 2 Description of a computer and the monitor. 3 Features of a computer 4 Importance of a computer as a tool for processing data 5 The System Unit 6 The keyboard and its sections 7 Word Processing 8 Data Processing 9 Stages of Data Processing 10 Information Evolution 11 Revision 12 Examination JS 2 WKS TOPICS 1 ICT as a transformation tool 2 Benefits and disadvantages of ICT 3 ICT Gadgets 4 Computer Programming language 5 Computer Programming Language 6 BASIC Programming
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General Computer Questions [pic] General Computer Question 1: What is a computer? Answer: A common‚ somewhat simplified‚ definition is that the computer is an electronic device that can be used to process information. Today‚ computers are not only used for calculations‚ but also for creating and manipulating text and pictures. They are used to design bridges and spacecraft‚ to record a company’s sales and to keep track of customers‚ to create a school newspaper‚ or to estimate the cost
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and telecommunications AREAS AND USES OF COMPUTER: * EDUCATION Computers are used in schools for teaching Computers are used for mathematical calculation Students can do their work by using computer * BANK Computers are used in banks for storing information about different account holders. Computers help in keeping a record of the cash. Computers help in giving all kinds of information regarding any account in the bank * ENTERTAINMENT Computers are used for playing games‚ listening to
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Networking Devices Maigue‚ Melleghie Claire T. EE1 - 1/ES1 - 1 Networking Devices ... Hub - commonly used to connect segments of a LAN. A hub contains multiple ports. When a packet arrives at one port‚ it is copied to the other ports so that all segments of the LAN can see all packets. Networking Devices ... Multistation Access Unit (MAU) - a hub or concentrator that connects a group of computers (’nodes’ in network terminology) to a token ring local area network. Networking Devices ... Bridges
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latest of a long series of information technologies‚ which includes printing‚ mail‚ radio‚ television and the telephone. It is the application of computers and telecommunications equipment to store‚ retrieve‚ transmit and manipulate data‚ often in the context of a business or other enterprise. The term is commonly used as a synonym for computers and computer networks‚ but it also encompasses other information distribution technologies such as television and telephones. Information technology refers
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