COMPUTER CONCEPTS NATIONAL ASSOCIATION FOR THE BLIND NEW DELHI Computer Concepts Hardware & software concepts explained for persons with low or no vision for the students of Intel Technology Training Lab at National Association for the Blind‚ New Delhi Produced and Published by National Association for the Blind Sector-5‚ R.K Puram‚ New Delhi E-mail: nab@vsnl.com First Edition October 2001 Reprint: February 2005 TABLE OF CONTENTS
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Computers and Society Evaluating the Impact of Technology Chris Brooks Department of Computer Science University of San Francisco Evaluating Technological Impact It can be useful to think about the ways in which technology impacts the way we live our lives. Most computer scientists have a pretty positive view of technology. Is that view justified? How do we defend that view to other‚ more skeptical points of view? Department of Computer Science — University of San Francisco – p.1/? Research
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INTRODUCTION The history of computer development is often referred to in reference to the different generations of computing devices. Each of the five generations of computers is characterized by a major technological development that fundamentally changed the way computers operate. The history of computer development is often referred to in reference to the different generations of computing devices. Each of the five generations of computers is characterized by a major technological
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operations performed by computer system Inputting Storing Processing Outputting Controlling The internal structure of a computer looks like above: Input unit: Input unit links the external environment with the computer system. Data and instruction must be entered to the computer before performing any competition. Data or instructions can be entered through input devices eg. Key board‚ or any other input devices. Input unit transferred this data into binary coded in short input unit performs the
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Rhetorical Devices 1. Narration - Recounts a personal experience or tells a story based on a real or fictional circumstance. All details come together in an integrated way to create some central them or impression. 2. Point of view - The person or entity through whom the reader experiences the story. (Does not refer to the author’s/character’s feelings‚ opinions‚ perspectives‚ etc.) e.g. - Third-person‚ first-person 3. Exposition - The kind of writing that is intended primarily
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believe that computers are more a hindrance than a help in todays’s world. Others feel that they are such indispensable tools that they would not be able to live or work without them. - In what ways are computers a hindrance - What is your opinion? Nowadays we can see computers increase their popularity; however‚ using computer too much may lead to negative results. Some people believe that computers have more adverse effects than their helps while others comment that computers are necessary
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INTRODUCTION Computer is defined as a combination of electro-mechanical devices (Hardware) capable of accepting data or information‚ processing‚ storing‚ and providing output under the control of some instructions and commands called programs (Software). Computers are machines that perform tasks or calculation according to a set of instruction or programs. Introduce in 1940s the first fully electronic computers were huge machines that required teams of people to operate. Compared to those early
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In his letter to Thomas Jefferson‚ Benjamin Banneker uses rhetorical devices to reinforce his argument against the cruelties of slavery. Being a man of color‚ Banneker did not possess the social status deemed worthy of communication with a fine man such as Jefferson. Nevertheless‚ Banneker was an intelligent man and used his knowledge to point out the contradictory characteristics between slavery and American values. Banneker uses repetition throughout his letter. Periodically‚ he refers to Jefferson
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Poetic Devices Alliteration - The repetition of initial consonant sounds. “Doubting‚ dreaming dreams no mortal ever…” Poe‚ “The Raven” Assonance - The repetition of vowel sounds. “Poetry is old‚ ancient‚ goes back far...So old it is that no man knows...” Sandburg‚ “Early Moon” Hyperbole – An overstatement or extreme exaggeration. Example: I nearly died laughing. Imagery - Words or phrases that appeal to any sense (sight‚ taste‚ touch‚ hearing‚ and smell) or any combination
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Computer Studies: What is a hardware? - A hardware is something we can see and touch in a computer. What is a software? - A software is something we can see but cannot touch‚ it is usually stored in a computer system. Some of the examples of hardware are: - Mouse - Keyboard - Monitor - CPU -Speaker - Printer - Scanner - Trackerball - Joystick Some of the examples of software are: - Microsoft Words - Internet Explorer - etc As of the moment‚ many trends come out in the
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