/instruction to a computer.A computer has many types of input devices‚ for example : keyboard‚ pointing devices‚ voice input‚ digital input‚ scanners and etc. Keyboard is a typewriter style device‚ which uses an arrangement of buttons or keys that lets you to enter data to a computer. Keyboards are available for desktop‚ laptop computers‚ PDAs and smart phones. There are around 110 keys on a computer keyboard. Keyboards was invented ny Christopher Sholes who was born in Mooresbud and he was an Amrican
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hardware has been a major field of exploitation by developers. Virtual laser keyboard has been a major breakthrough in this field. The keyboard which is non-physical has brought a new dimension in the field of data entry where the mechanical keyboards can be replaced by a light beam projected on a flat surface. It replaces the physical key board which occupy space on the devices. This paper focuses on the virtual laser keyboard as a revolutionary invention in multimedia and data entry industries. The
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Laser projection keyboard is one of gadget that developed for a long time but it wasn’t popular. Seems like most of people really like this gadget.However a few years later laser projection keyboard was created for using with IPad and IPhone. When a user touches the surface cover by an image of a key ‚ the device records the corresponding keystroke. A laser projection keyboard was invented and patented by IBM engineer in 1992. It optically detects and analyses human hand and finger motions
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Anatomy of a Keyboard | Ctrl+Alt+Design Ctrl+Alt+Design blog of graphic designer and artist – shannon crutchfield AUG 11 2011 2 COMMENTS BY SHANCRUTCHFIELD DESIGN EFFICIENCY Anatomy of a Keyboard (http://ctrlaltdesign.files.wordpress.com/2011/08/anatomy-header.gif) In my last post I mentioned I would talk about more than just keyboard shortcuts‚ but since it is one of the basic elements in efficiency when designing on the computer I thought it appropriate to begin with. Keyboard shortcuts
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Assignment 1Input device (keyboard and computer stress injury) | November 18 2011 | Q1. How are keys pressed on a keyboard interpreted correctly by the computer? (How does a keyboard communicate with the CPU?) Q2. Describe common keyboard shortcuts that you can use (using the keyboard modifier key‚ and function key) to ease every day computing operations? Q3. How can you
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Ever ask yourself how the keyboard came to be? It’s amazing how from a pencil we went to a press of a key. These keys made their first appearance on a typewriter by 1868. By 1872‚ we were presented to a great innovation called the QWERTY keyboard. The QWERTY keyboard was an innovation in history because it helped people who had poor handwriting‚ it speed up typing rather than slowing it down‚ and this machine had lower and upper case letters. On 1872‚ the inventor Christopher Soles with helpers
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VIRTUAL KEYBOARD SWARNANDHARA ENGINEERING COLLEGE (VIJETHA INSTITUTE OF TECHNOLOGY &SCIENCE) PRESENTED BY NAME: P.JAHNAVI NAME: K.SIREESHA ROLL NO: 097C1A0443 ROLL NO: 097C1A0438 Iv/IV B-TECH‚ ECE IV/IV B-TECH‚ ECE EMAIL-ID:jahnavi.nishi@gmail.com EMAIL-ID:sireeshakatams@gmail.com ABSTRACT: Computing is now not limited to desktops and laptops‚ it has found its way into mobile devices like palm tops and even cell phones. But what
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3/12/2014 196 useful Keyboard Shortcuts for Excel 2011. A wiki-style reference database for keyboard shortcuts 2003 2007 2010 Comments (99) Edit Excel 2011 mac Add login/ register 772 Account My Shortcuts Login/ Register Platforms: Linux Shortcuts Mac OS Shortcuts Windows Shortcuts Web Applications New Mac OS Shortcuts: iTunes Vuescan Avid Media Composer 7 VLC Media Player Site: About Discuss Add Page Request Page Excel 2011 Shortcuts Uploaded by bernd‚ PDF Print updated on 2/10/2012
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other tasks pending. Since the computer was invented‚ it really changes the way people handles his everyday work. One of the great innovations in the field of information technology was to develop a software based keyboard logger that enables the user to capture the desired keyboard strokes he entered and later used for quick reference. Since this is only available in software version it needs to run on an installed operating system. Keylogger also belong to the same group of tools that monitor
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|[pic] |Syllabus | | |College of Natural Sciences | | |HCA/220 Version 8 | |
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