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Operating System

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An software (OS) is associate interface between a mortal and hardware. associate software could be a software system that performs all the essential tasks like file management, memory management, method management, handling input and output, and dominant peripheral devices. OS is a software system that permits applications to act with a computer's hardware. The software system that contains the core elements of the software is named the kernel. The primary functions of associate software square measure to alter applications (software's) to act with a computer's hardware and to manage a system's hardware and software system resources. Some widespread softwares embody UNIX operating system operative System, Windows software, VMS, OS/400, AIX, z/OS, etc. Today, operative systems is found virtually in each device like mobile phones, personal computers, mainframe computers, vehicles, TV, Toys etc. Operating System Generations Operating systems are evolving over the year...
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Data & Information

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Data Data could be a assortment of raw, unorganised facts and details like text, observations, figures, symbols and descriptions of things etc. In alternative words, information doesn't carry any specific purpose and has no significance by itself. Moreover, information is measured in terms of bits and bytes – that are basic units of knowledge within the context of store and process. Information Information is processed, unionised and structured information. It provides context for information and permits deciding. as an example, one customer’s sale at a eating house is information – this becomes data once the business is in a position to spot the foremost common or least common dish. Difference between Data & Information Data Information Data is unorganised and unrefined facts ...
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Basic Physical components of A Computer

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  Input devices We : can give inputs : to a computer with : the input devices. : There are : a lot of input : devices. 1. : Keyboard 2. Pointing : devices. ·       : Mouse ·       : Touch screen ·       : Joystick ·       : Light pen 3. Imaging : And : video : Input devices ·       : Digital camera ·       : Webcam ·       : Closed circuit TV(CCTV) 4. : Scanners ·       Flatbed scanners ·       Barcode reader ·       Magnetic Ink Character Reader (MICR) ·       Optical Character Recognition (OCR) ·       Optical Mark Recognition (OMR) 5. : Automated Teller Machine (ATM) 6. : Microphone : Output Devices An output device is any piece of computer hardware equipment which converts information into a human-readab...
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