ter COMPUTER Computer is one of the wonderful wonders of modern science. It is a fairly recent invention. It has become an essential part of modern life. It has made our way of life easy and comfortable. We cannot do anything today without a computer. A computer is basically a processor of information. Any device that helps people perform mathematical calculation may be called a computer. A computer performs three functions. Firstly it receives data‚ secondly it process
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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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student and what zipcode they live in. sort them by last and then first name in ascending order Example output data John James lives in 60543 Matt James lives in 60122 April Harmon lives in 60115 SELECT fname‚ lname +’ lives in ‘ + ‚ zipcode FROM student ORDERBY lname‚ fname; 2) Write a query to display the Student id and the number of grades they have received *** example output z12345 7 z14325 12 z11674 2 SELECT s.zid‚ count (g.grade) FROM student s‚ grades g WHERE s.zid=g
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Computer was invented by Charles Babbage in 1822. The computer is the most wonderful gift of science to the modern man. The computer can do all the works of man. Thus‚ after the invention of computer‚ the gap between man and machine has been bridged up.The dictionary meaning of the word "Computer" is an electronic calculating machine. Though a machine‚ it contains and provides innumerable informations. It may seem strange‚ but it is true that the memory and intelligence of a computer can be greater
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Forman 28th March‚ 2012 ENG 102 IJC Effects of Computers on Society Discoveries and invention of devices are always welcomed till we‚ humans find a way to abuse its benefits and be adversely affected by it. Computers have influenced all sphere of modern society in a big way by the way people keep in touch with each other‚ the way people entertain themselves using computer and the way people buy and sell things. In todays present‚ although computers have changed in many different ways all activities
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Types of Storage Devices Physical components or materials on which data is stored are called storage media. Hardware components that read/write to storage media are called storage devices. Two main categories of storage technology used today are magnetic storage and optical storage. Primary magnetic storage o Diskettes o Hard disks (both fixed and removable) o High capacity floppy disks o Disk cartridges o Magnetic tape Primary optical storage o Compact Disk Read Only Memory (CD ROM)
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Different Kinds of Input Devices Computers support various input and output devices to maximize functionality. An input device is any piece of hardware that provides data and controls various signals as they process through the computer. If a computer did not use any input devices‚ users would watch the activity‚ as opposed to interacting with it. Each type of input device serves its own purpose‚ ranging from a simple pointing device to a webcam. Have a question? Get an answer from Online Tech
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added to make it better.. to make an essay more effective what you need are rhetorical devices. Rhetorical devices are techniques that are used to convey and persuade the reader or listener to consider a topic from another perspective. using rhetorical devices is a style of speaking or writing that trys to create a particular effect or bring out a particular response from a reader‚ some effective rhetorical devices are personification‚ alliteration‚ connotation and In the essay An Ode to the User-Friendly
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UNIVERSITY OF LA VERNE La Verne‚ CA July 25‚ 2014 Research paper Computer Security Submitted in partial fulfillment of the requirements for the degree of Master of MBA Professor Yehia Mortagy BUS 510 Management of Information Technology RUI GAO 11560047 College of Business and Public Management ABSTRACT In the modern society‚ information can benefits both groups and individuals in many different areas. Whereas‚ at the same time‚ information also
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LAPTOP A laptop computer is a personal computer for mobile use. A laptop has most of the same components as a desktop computer‚ including a display‚ a keyboard‚ a pointing device such as a touchpad (also known as a track pad) and/or a pointing stick‚ and speakers into a single unit. A laptop is powered by mains electricity via an AC adapter‚ and can be used away from an outlet using a rechargeable battery. Laptops are also sometimes called notebook. computers‚notebooks‚ ultrabooks or netbooks.
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