INPUT DEVICES Barcode reader A barcode reader (or barcode scanner) is an electronic device for reading printed barcodes. Like a flatbed scanner‚ it consists of a light source‚ a lens and a light sensor translating optical impulses into electrical ones. Additionally‚ nearly all barcode readers contain decoder circuitry analyzing the barcode’s image data provided by the sensor and sending the barcode’s content to the scanner’s output port. Biometrics Biometrics[1] (or biometric authentication)[note
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CHAPTER 2. Peculiarities of translation of stylistic devices in the short stories by E.A.Poe 2.1. Main characteristics of translation of stylistic devices 2.1. Reproduction of simile in the short stories by E.A.Poe 2.2. Reproduction of metaphor in the short stories by E.A.Poe 2.3. Reproduction of epithets in the short stories by E.A.Poe 1.3.1. Simile . According to K. Ya. Lotots’ka simile is an imaginative comparison which is also called literary comparison.[27‚ p
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Duy Lai EN 110 AI Mr. Schuh 10/15/14 Computer Computer is the most amazing gift of science. Almost everyone have one or more computer. This device was developed by Charles Babbage. Computer is a part of our life today. Computer can be used on many thing like school‚ business‚ government and etc... we can see computer anywhere we go around the world. Computer is so amazing with many functions. Four basic function if computer are input‚ processing‚ output and storage. Input collectively refers to
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to Computers and C++ Programming 1 What is Computer? Computer Organization Computer Languages C++ Your First Program in C++ Variables and Operators Computer Programming (HKU SPACE HDIT 10/11) 2 Computer Programming (HKU SPACE HDIT 10/11) 3 Computer ◦ Device capable of performing two major functions 1. 2. Computations Making logical decisions Computer programs Hardware ◦ Sets of instructions used by computers to process
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2 Fundamentals of Computer Systems You need to be able to: (a) define a computer system (b) describe the importance of computer systems in the modern world (c) explain the need for reliability in computer systems (d) explain the need for adherence to suitable professional standards in the development‚ use and maintenance of computer systems (e) explain the importance of ethical‚ environmental and legal considerations when creating computer systems. What is a computer system? At its very basic
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Improvements on common machines Computer- For most of the people‚ computer is a machine used for a calculation or a computation‚ but actually it is much more than that. Precisely Computer is an electronic device for performing arithmetic and logical operation. Or “Computer is a device or a flexible machine to process data and converts it into information.” To know about the complete process that how computer works‚ we will have to come across the various terms such as Data‚ Processing and Information
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approach Issues involved in using computers Ideas on class management Some ideas for practical application Unit 1: The evolution of computers Teaching objectives Learning outcomes Introduction for the teacher Sample lesson plan for a 40-minute period Suggested answers to end-of-unit questions Additional information for the teacher Activity sheet Test sheet Answers to activity sheet Answers to test sheet v v vi vi vi vii vii viii 1 1 1 1 2 4 5 7 8 10 10 Unit 3: Output devices Teaching objectives Learning
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Lungsod ng Maynila UNIVERSIDAD DE MANILA Mehan Gardens‚ Manila SYLLABUS Course Code: CSC 010 Course Title: Computer Fundamentals Prerequisite (if any): None Unit Course: 3 Units 1.0 Course Description: It delves with the history and nature of computers‚ its developments‚ applications and types. It also includes the basic components of the computer system‚ the number systems and conversions‚ the elements of the Electronic Data Processing (EDP) system‚ the different Disk Operating
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Running Head: Data Input‚ Output‚ Storage and Speed Methods of Data Input‚ Output‚ Storage and Speed Kenneth Sparks University of Phoenix Methods of Data Input‚ Output‚ Storage and Speed We all should know and understand that accuracy of data input is important. In today’s society we rely on data input by others in almost everything we do. Knowing how the most efficient way of inputting data can aid in daily functioning. You can be prepared for what a support person may ask
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MAIN COMPONENTS OF PERSONAL COMPUTER INTRODUCTION: IN 21st century our life is run without computer. We must need the help of computer every day of our life. Computer are indispensable to wok home‚ management and entertainment in modern life. The project work shows what are the main components to run a computer. Personal computer have lots of components the main components are keyboard‚mouse‚ram‚dvd drive‚ hard disk‚ video card‚ mother board‚ processor‚ disk controller
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