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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SEASONAL AFFECTIVE DISORDER Seasonal Affective Disorder (SAD) is a mood disorder where people have normal mental health throughout most of the year‚ but experience depressive symptoms in the winter or summer. Seasonal Affective Disorder is often diagnosed inaccurately in doctor’s offices. But‚ thorough personalized details of the symptoms can help a patient be diagnosed properly. There have been new studies that link SAD to other conditions such as alcoholism or Attention Deficit Hyperactivity
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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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Activated Carbon Filters Media [pic]"Activated" carbon filter media is produced by super-heating dried coconut husks in a low oxygen environment‚ using a process called pyrolysis. The resulting "biochar" husk‚ is a purified form of carbon‚ containinglarge amounts of cellular sized surface area‚ negatively charged to attract positively charged toxins. Toxins in the water become attached to the husk’s carbon surfaces.Over time‚ the attractive charge of carbon surfaces are neutralized‚ making it time
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that we drink water in order to hydrate ourselves and be healthy. When it comes to tap water‚ you are probably wondering if it’s healthy or not. The truth is that opinions regarding this aspect are shared. Are you planning to buy an under sink water filter‚ but do not know which one is the best? If so‚ then you should have a look at the following advice regarding this subject. Test your water Before you actually go shopping‚ it is highly recommended that you test your water. By doing so‚ you will
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expansion slot in the motherboard. The available ports on most computers include serial‚ parallel and universal serial bus (USB). Install and configure the driver software that allows the computer to communicate with the new component. 3. Input device Types Speed Reliability Robustness Keyboard QWERTY Keyboard Up to 10 characters per second Good very reliable all keys typed appear on screen Moderate easily damaged by rough handling and spills Mouse Accupoint mouse Slow Moderate can
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cigarette filter as a source of glue. C. Hypothesis: Alternative- hypothesis: Cigarette filter is a good source in producing glue. Null- Hypothesis: Cigarette filter is not a good source in producing glue. D. Significance: Glue is very common used in homes‚ schools and offices. Many people just toss aside a cigarette filter and it can be recycled and used. Due to the expensiveness and unaffordable of some glue‚ many would prefer making home made glue. Glues from cigarette filter is affordable
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Recommendations Shift the weight of marketing and advertising resources to the faucet-mounted filter systems to establish a new customer install base that will benefit the company in the long term by establishing future faucet filter sales revenue and allow you to direct competition with PUR in this growing market segment that charges a premium for systems and filters. Use the Brita Brand on the faucet-mounted filter to leverage the already established consumer perception for great tasting water. This will
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Keyboard:- The keyboard is the most common and widely used input device.Using a keyboard for too long can lead to health problems such as repetitive strain injury (RSI).To try to overcome this‚ different styles of keyboard have been developed‚ for example‚ the ergonomic keyboard. They are supposed to put your hands into a much more natural position than a traditional keyboard. Advantages:- The advantages of keyboard are: 1. Keyboards have special key that preform specific functions. 2. Instead
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----------------------------------- Dec 21‚ 2004 Ethics of School Filters for the Internet ----------------------------------- School Filters for the Internet Protecting children from online pornography is a constant political issue on Capitol Hill‚ and local school boards could find themselves handed yet another federal mandate telling them how to do their jobs. The U.S. Senate recently added amendments to a large spending bill requiring schools and libraries to block student access to
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