It is always slower to access data from backing storage than from internal memory. Fixed hard disks A hard-drive built into the case of the computer is known as ‘fixed’. Most computers have one. Fixed hard-drives act as the main backing storage device. They provide almost instant accsess to files (random access and high access speeds) Large storage capacity Stores and retrieves data much faster than a floppy disk or CD-ROM Data is not lost when you switch off the computer Usually fixed inside
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LITERARY DEVICES Copyright © 2007 by Jay Braiman www.mrbraiman.com Literary devices refers to specific aspects of literature‚ in the sense of its universal function as an art form which expresses ideas through language‚ which we can recognize‚ identify‚ interpret and/or analyze. Literary devices collectively comprise the art form’s components; the means by which authors create meaning through language‚ and by which readers gain understanding of and appreciation for their works. They also provide
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S) A mobile device is a small and handy computing device. Mobile device usually come with a touch or non- touch display with a mini keyboard. Today‚ mobile devices have become popular to everybody since they are convenient. As on the year 2012‚ reports had claimed that more 75% of the world population owns a mobile device. Mobile device are also considered as a computer systems because it uses the Input-Process-Output-Storage (IPOS) model. One of the examples of input in mobile device is their touchscreen
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Pointing Devices are direct entry input devices. They allow users to control the pointer and the insertion point on the screen. Examples of pointing devices are mouse‚ trackball‚ touch pad‚ pointing stick‚ joystick‚ touch screen‚ light pen and graphics tablets. A mouse is a computer device‚ which has a ball sealed at the bottom. It is attached with a cable to the system unit. When rolled on the flat surface‚ the movement of the ball will generate electrical circuits‚ which are then sent to the
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country. Dr. Ben Carson‚ a republican candidate‚ is respected and supported by many Americans. He became famous shortly after being the first man to successfully separate Siamese twins. Unfortunately‚ few people realize that if it were not for Carson’s boss‚ Dr. Donlin Long‚ he would likely never have achieved his current fame‚ and almost definitely would not be running for president. During the most crucial moment of the surgery‚ the cutting of the vein that connected the twins‚ Carson offered his scalpel
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OUTPUT DEVICES Output devices are things we use to get information OUT of a computer. Here are some examples of output devices:- Monitor George Doyle/Stockbyte/Getty Images The most common computer output device is the monitor or computer screen. Monitors create a visual display from processed data that users can view. They come in a variety of screen sizes and visual resolutions. There are two types of computer monitors‚ CRT and flat panel. CRT monitors use phosphorescent dots to create the
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Theory Notes Task: Output Devices Make sure that you are familiar with all of the information detailed in this booklet. There are a number of tasks for you to carry out‚ be sure to read the information fully whilst completing the tasks. You could be asked about any of this in the test! Use the theory notes in from the teach-ict.com site to help you complete this booklet. TASK 1: OUTPUT DEVICES Output devices let you see data that has been processed or is stored on the hard disk
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Task: Using the Internet‚ list and define at least five different types of storage devices from the most reliable to the least reliable. Include in your search cost and availability of the storage devices. Include names of vendors for these storage devices. There are three main types of consumer-grade computer storage: internal‚ external‚ and network attached. Internal storage is generally a hard drive or solid-state drive (SSD) that hosts computer’s operating systems and programs. External
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1. Introduction to Network Devices All networks are made up of basic hardware building blocks to interconnect network nodes‚ such as Network Interface Cards (NICs)‚ Bridges‚ Hubs‚ Switches‚ and Routers. In addition‚ some method of connecting these building blocks is required‚ usually in the form of galvanic cable (most commonly Category 5 cable). Less common are microwave links (as in IEEE 802.12) or optical cable ("optical fiber"). An ethernet card may also be required. Network interface cards
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Christophe Jaffrelot’s India’s Silent Revolution maps out different political conflicts and struggles of the lower castes like the Dalits and Other Backward Classes (OBC) in North Indian politics‚ which contributes a lot towards the sociological aspects of Northern India. His work is commendable and enlightening at some areas but at some point fails to stand the test of reality and criticisms. The very beginning of the book reveals Jaffrelot’s ethnocentric perspective and a contradicting view too
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