Input device
Here all input devices in pictures!





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DEADLOCKS and METHODS FOR HANDLING DEADLOCKS in OS

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In a multiprogramming environment, several processes may compete for a finite number of resources. A process requests resources; if the resources are not available at that time, the process enters a waiting state. Coming to definition Sometimes, a waiting process is never again able to change state, because the resources it has requested are held by other waiting processes. This situation is called a deadlock. The principle of   Deadlock can be defined as the permanent blocking of a set of processes that either competes for system resources or communicate with each other. A situation in which two or more processes are unable to proceed because each is waiting For one of the others to do something. A set of processes is deadlocked (is in a deadlocked state) when each process in the set is blocked waiting for an event that can only be triggered (caused) by another blocked process in the set. All deadlocks involve conflicting needs for resources by two or more processes. Thi...
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Work online and make Dollars.

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Before reading this article I want to confirm you that I don't have any benefit of sharing this information It's just for sake of social welfare so that instead of wasting time on facebook you can earn working at home. There are so many ways to start work online, by using your computer skills like typing, editing, designing, searching etc. Your each skill will help you to work online but there are certain prerequisite things like you need to improve your written English so that you can convey your message to the receiver. You must have social ethics that proves you are well educated. I am sharing two best websites to register and start work today. Fiverr: -  Fiverr   is a global online marketplace offering tasks and services, beginning at a cost of $5 per job performed, from which it gets its name.  The site is primarily used by   freelancers   who use Fiverr to offer services to customers worldwide. Currently, Fiverr lists more tha...
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Data And Information

Data And Information Data  representing quantities, characters, or symbols on which operations are performed by a  computer.  D ata is not  information . Data requires interpretation to become information. To translate data to information, there must be several known factors considered. The factors involved are determined by the creator of the data and the desired information. In simple or according to me data is anything which we give computer in input. Information  is stimuli that have to mean in some context for its receiver. When  information  is entered into and stored in a  computer , it is generally referred to as data. After processing (such as formatting and printing), output data can again be perceived as  information  . Anything in computer output in any form (audio, video, text ) can be called as Information.
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