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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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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Chapter I Introduction Information technology changes at a fast phase. Many business sectors constantly upgrade their computer system in order to stay competitive. The multi-function of technology and its automated systems are important factors for a company because it can be a great help for its people. The computerized systems aim to provide greater precision‚ reliability and flexibility in handling different types of information. It also makes the process of maintaining and operating the
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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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Running head: Medication Errors January 2012 When patients enter a hospital or doctor’s office they do so with the expectation that their safety is of great importance. In addition‚ when medication is prescribed and given to patients‚ the safety of the patient is at the hands of the doctor. The patient is under the impression that the medication is being given correctly and will not harm them. Unfortunately‚ medication errors do occur and when they do‚ the patient can experience potential
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Input Devices QWERTY Keyboard The keyboard is the most common type of input device. In other countries‚ the keyboard layout is different due to their different language and characters. There are some variations of keyboards to the normal keyboard. Some are wireless which means that no wire is required to connect it to the PC; and some have ergonomic design‚ which have a special design in order to reduce muscular stress on the user. Mouse The mouse is a pointing device which is used to move
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Transitional Devices (Connecting Words) Brought to you by the Purdue University Online Writing Lab at http://owl.english.purdue.edu Transitional devices are like bridges between parts of your paper. They are cues that help the reader to interpret ideas in the way that you‚ as a writer‚ want them to understand. Transitional devices help you carry over a thought from one sentence to another‚ from one idea to another‚ or from one paragraph to another with words or phrases. And finally‚ transitional
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Communication devices Types Communication Devices FAX E-MAIL VIDEO CONFERRENCE PORTABLE MEDIA PLAYERS BLUETOOTH COMPUTERS FAX Fax is short for ‘facsimile’ which means ‘copy’. A fax machine is a device that can send a copy of a paper document over the telephone network. The sending fax converts the light/dark areas of the printed document into noises. These noises travel through the phone system and are received by another fax machine. The receiving fax machine converts the noises into printed
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