Chapter 9 Input/Output Devices Contents: I. Introduction II. Input Devices a. Keyboard‚mouse‚joystick‚scanners‚digital camera‚ bar code reader‚ touch Sreeen‚Speech input device (microphone) III. Output Devices a. Monitor ‚ Speaker‚ Printers ( different types) ----------------------------------------------------------------------------------------I. Introduction The computer will be of no use unless it is able to communicate with the outside world. Input/Output devices are required for users to
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IS022 3/20/2014 Access Methods of Secondary Storage Devices Secondary Storage Device is storage medium which is used to store large amount of data permanently until it is changed by user. Though it stores information‚ it cannot be accessed directly by the CPU. The data stored in Secondary Storage Device can be accessed depending upon how it is stored on the device. Mainly there are two methods of accessing data from the Secondary Storage Device. 1) Sequential Access Method 2) Direct Access Method
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Mobile Devices Security This is my Summary for mobile devices security. I think that mobile computing devices have become a critical tool in today’s networked world. Enterprise and individuals alike rely on mobile devices to remain reachable when away from the office or home. While mobile devices such as smartphones‚ laptops personal digital assistants PDAs and universal serial bus USB memory sticks have increased convince as well as productivity in the workplace these befits are not without risks
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How Shakespeare Uses Literary Devices to Achieve the Moral in Macbeth In William Shakespeare’s play‚ “Macbeth”‚ one dominant moral is made clear to the audience‚ do not tempt fate‚ let nature take its course. Some of the ways that Shakespeare achieves this is through the development of conflicts in the plot and also through dialogue‚ vivid imagery and metaphors created by the atmosphere in the play. The characters develop in the early acts to identify the protagonist and antagonists to the audience
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1. Five factors you should consider when assessing the suitability of hardware device for connecting to a computer is; Speed‚ Cost‚ Security‚ Capacity‚ Reliability. 2. When installing a new component into a computer system the tasks involved are; Add the component to the computer‚ either connecting in through an existing port or plugging it into an expansion slot in the motherboard. The available ports on most computers include serial‚ parallel and universal serial
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The insanity of the poetic speaker in “Porphyria’s Lover” Browning’s poem “Porthyria’s Lover” tells a story of a murder seen through the eyes of Porphyria’s lover- the murderer. It takes place on a rainy night‚ in the speaker’s home‚ where he sits alone in the dark until Porphyria’s arrival. She lights the fire place‚ takes off her garments and sits by her lover whispering how much he loves him. He then decides to strangle her with her hair‚ after which he lays her head once again on his shoulder
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Dramatic Literacy Devices Allegory A symbolic narrative in which the surface details imply a secondary meaning. Allegory often takes the form of a story in which the characters represent moral qualities. The most famous example in English is John Bunyan’s Pilgrim’s Progress‚ in which the name of the central character‚ Pilgrim‚ epitomizes the book’s allegorical nature. Kay Boyle’s story "Astronomer’s Wife" and Christina Rossetti’s poem "Up-Hill" both contain allegorical elements. Catastrophe The
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Optical Storage Devices • An optical disk is a high-capacity storage medium. An optical drive uses reflected light to read data. • To store data‚ the disk’s metal surface is covered with tiny dents (pits) and flat spots (lands)‚ which cause light to be reflected differently. • When an optical drive shines light into a pit‚ the light cannot be reflected back. This represents a bit value of 0 (off). A land reflects light back to its source‚ Representing a bit value of 1 (on)
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Circuit Protection Devices Course No: E03-005 Credit: 3 PDH A. Bhatia Continuing Education and Development‚ Inc. 9 Greyridge Farm Court Stony Point‚ NY 10980 P: (877) 322-5800 F: (877) 322-4774 info@cedengineering.com CHAPTER 2 CIRCUIT PROTECTION DEVICES LEARNING OBJECTIVES Upon completion of this chapter you will be able to: 1. State the reasons circuit protection is needed and three conditions requiring circuit protection. 2. Define a direct short‚ an excessive current
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Ad Hominem An argument based on the failings of an adversary rather than on the merits of the case; a logical fallacy that involves a personal attack. Allegory Extending a metaphor so that objects‚ persons‚ and actions in a text are equated with meanings that lie outside the text. Alliteration The repetition of an initial consonant sound. Allusion A brief‚ usually indirect reference to a person‚ place‚ or event--real or fictional. Ambiguity The presence of two or more possible meanings
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