consist of four components which are input‚ processing‚ output‚ and feedback. In this paper‚ the accuracy of and the method of data input for certain situations‚ the convenience and quality and the method of output for certain situations‚ the different types of storage devices and how these devices are optimal for different situations‚ and the role of chosen devices in determining the speed of a computer is explained. Method of Data Input The accuracy of data input into an information system is very
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In computing‚ a keyboard is a typewriter-style device‚ which uses an arrangement of buttons or keys‚ to act as mechanical levers or electronic switches. Following the decline of punch cards and paper tape‚ interaction via teleprinter-style keyboards became the main input device for computers. A keyboard typically has characters engraved or printed on the keys and each press of a key typically corresponds to a single written symbol. However‚ to produce some symbols requires pressing and holding several
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computer is also wiped off the computer once the user is logged off or the computer is switched off. Storage Devices Storage devices are what we use to save files‚ applications and other things which are essential for the computer to function properly. The storage devices can either be external or it can be internal. External storage devices are things such as USBs‚ DVDs and external hard drive
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the touch screen the shapes are interpretted into text. | | Scanners: Used to input what is on paper (hardcopy) into the computer. This includes pictures‚ photographs and text. Text can be recognised by Optical Character Recognition (OCR) software that examines a scanned image for letters and other characters that it recognises and then converts it into a document that you can edit. | | Microphone: Used to input sound. It can be used along with voice recognition software to enter text. The software
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appropriates the human body for acoustic transmission‚ allowing the skin to be used as an input surface. In particular‚ we resolve the location of finger taps on the arm and hand by analyzing mechanical vibrations that propagate through the body. We collect these signals using a novel array of sensors worn a san armband. This approach provides an always available ‚ naturally portable‚ and on-body finger input system. We assess the capabilities‚ accuracy and limitations of our technique through a two-part
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Indiana Jones film series‚ Jones is always on the hunt for some mystical artifact. In Raiders of the Lost Ark‚ he is trying to retrieve the Ark of the Covenant; in Indiana Jones and the Last Crusade‚ Jones is on a search for the Holy Grail. This plot device dates back to the medieval Arabian Nights tale of "The City of Brass"‚ in which a group of travellers on an archaeological expedition[2] journey across the Sahara to find a brass vessel that Solomon once used to trap a jinn.[3] Several books in the
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another GSM module situated at some remote location. The purpose of this project is to monitor and control electrical devices (Analog and Digital) remotely using GSM modem/phone. The GSM modem provides the communication mechanism between the user and the microcontroller system by means of SMS messages. User can have the condition of various signals attached at multiple electrical devices by recieving suitably formatted SMS message from the microcontroller based control system. These SMS commands are
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computer only for doing schoolwork‚ which input and output device combination would be best from the options below (considering the best combination of cost‚ screen resolution‚ and keyboard design)? a gaming keyboard and a 27" LCD monitor a foldable keyboard and a 15" LCD monitor a wireless keyboard and a 24" LED monitor a split-style keyboard and a 30" LED monitor Question 2 Select one answer. 10 points In a situation where a handicapped person can only input data into the computer using a stylus
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the input‚ output‚ and storage devices along with speeds of a computer. You did a good job of getting the reader ’s attention and giving the reader a "road map" to your paper. Data Input Devices When personal computers first came out‚ the only input device that was available was the keyboard and mouse. Today‚ there are more input devices to choose from than the basic keyboard and mouse combination. I would have combined these two sentences into a more complex single sentence. These devices are
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automated processing tools in the area of entering transaction‚ processing and storage of items as well as in producing receipts and other related areas. As a consultant‚ I will provide the necessary recommendations as to what type of input‚ output and storage devices I could implement. In other words I have to implement the Local Area Network model concept with their branches and to connect to the main head office through Internet. Mission Maximize speed and uptime at the Point-of-Sales Grocery
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