INPUT/OUTPUT ORGANIZATION • Accessing I/O Devices • I/O interface • Input/output mechanism Memory-mapped I/O y pp / Programmed I/O Interrupts Direct Memory Access • Buses Synchronous Bus Asynchronous Bus I/O in CO and O/S • • • Programmed I/O Interrupts DMA (Direct memory Access) A bus is a shared communication link‚ which uses one ‚ set of wires to connect multiple subsystems. The two major advantages of the bus organization are versatility and low cost. Accessing I/O Devices
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4 major basic facts about student loans Your desire to have enough money with which you will be able to finish your studies is always your aim as a student and it is best that you make use of great banks that will help you get the lowest interest loans on your loan as a student. This can be achieved through the simple act that requires that you refinance student loans. Student loans can be refinanced and consolidated by you if your desire is to have some money saved. Refinancing will enable you
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Input Device is any peripheral (piece of computer hardware equipment) used to provide data and control signals to an information processing system such as a computer or other information appliance. A keyboard is the most common input device. Using a keyboard‚ the user can type the text and execute commands. Keyboard is designed to resemble a regular typewriter with a few additional keys. Data is entered into the computer by simply pressing various keys. The layout of a keyboard comes in various
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Data Input Methods Optical data readers The best data input method for printed questionnaires would be Optical Data Readers. Optical Data Readers are a special type of scanning device to be used on documents. Optical Data Readers fall under two categories‚ optical mark recognition (OMR) and optical character recognition (OCR) (Stair‚ R.‚ Reynolds‚ G.‚ 2004). Printed questionnaires which‚ for instance‚ can be used for surveying groups of people regarding a particular subject can utilize OMR through
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Unit 7 Seminar Make-up Homicide is the killing of one human being by another. (Osterburg‚ J. 2014). Robbery is the act of robbing a person or place. (Osterburg‚ J. 2014). The crime scene assessment provides the major opportunity to locate physical evidence. The initial response should be regarded as the only chance to recognize‚ record‚ and collect physical evidence. The investigator must make the most of it. This search‚ however‚ must be conducted properly and lawfully‚ or the evidence will be
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INPUT AND OUTPUT DEVICES In computing‚ input/output‚ or I/O‚ refers to the communication between an information processing system (such as a computer)‚ and the outside world possibly a human‚ or another information processing system. Inputs are the signals or data received by the system‚ and outputs are the signals or data sent from it. The term can also be used as part of an action; to "perform I/O" is to perform an input or output operation. I/O devices are used by a person (or other system) to
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his product publicized. Discuss the factors you need to consider when coming up with the advert. 15mks. Lec. Madam caren. Introduction. If you are in the business world and really want to make lots of sales and profits‚ you have to heavily invest in the different ways that people will get to know your products and services. We may all try to escape from the naked truth but the fact remains an incredible and effective advertising plan will definitely end up costing you a lot of money. This is
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Different Kinds of Input Devices Computers support various input and output devices to maximize functionality. An input device is any piece of hardware that provides data and controls various signals as they process through the computer. If a computer did not use any input devices‚ users would watch the activity‚ as opposed to interacting with it. Each type of input device serves its own purpose‚ ranging from a simple pointing device to a webcam. Have a question? Get an answer from Online Tech
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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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Concepts that make up the Research Process The first step in the research process is to identify a problem or develop a research question; the antecedent or phrase. It may be something viewed as a problem‚ such as my choice‚ addiction. Or it may be some knowledge of information that is needed. It could be a problem or concern within the community or that affects society. Addiction and co-morbid mental illnesses will serve as my focus of study for analyzing a concept. Next is reviewing the literature
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