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Modern scenario of information technology:

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The modern scenario of information technology: Introduction: Information technology (IT) is the technology that merges the computing network system with high-speed communication links carrying any kind of data in the form of text, sound, images. and videos etc. Information can be defined as the facts and figures about anything that can transfer data of any kind. i.e. The know-how about any object of the universe that exists and plays its role in any network computer system. The system is any identified and known work that accepts data/information into itself, manipulates in the shape of certain output(s), and delivery so that it becomes useful and meaningful. Modern Scenario The modern impact of computer system Information Technology has broadened the base of comput ing and communication through satellite, fiber-optic, mobile phones. Thus enhancing the implications of this shift from single isolated technologies to a unified digital convergence and enabling the computer users to experi...
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Output devices Tutorials point

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 Output devices Tutorials point Definition: The information processed by a computer is translated into a form that we understand and displayed by these machines. Normally, the output is classified or manipulated as Softcopy output or Sound output and Hardcopy output. Softcopy:  It refers to data is shown on a display screen or is in an audio or voice form. This kind of output of our document that is not tangible; it cannot be touched but seen must. Virtual reality and robots might also be considered softcopy devices that represent on a screen.  Hardcopy It refers to printed output that prints a paper. The principal examples are printouts on a paper form, whether text or graphics, from printers and, plotters,  etc. Display Screen: It also is known as CRTs, Monitors, or simple screens, which differ in size color, resolution, and video display adapter card.  Size: Monitors come in different sizes from small screens of a display screen built into palmtops and laptop...
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Deadlock Questions and Answers pdf

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Deadlock Questions and Answers pdf Define a deadlock? A process is said to be in a state of deadlock if it is waiting for a particular event (e.g. allocation of resources) that will never occur. Name four necessary conditions for Deadlock? Mutual Exclusion  Hold-and-Wait No Preempting  Circular Wait Describe the Mutual Exclusion condition for deadlock? Mutual exclusion condition indicates the locking of resources in exclusive mode, also known as a non-shareable mode. Each resource may be allocated to only one process at a time. If another process needs to use that resources, then the requesting process must wait until the resources have been released. What is the Hold-and Wait condition for deadlock? In a deadlock, each involved process holds one or more resources and waits for additional resources, which are currently being held by other processes in the system. It means that a deadlock may occur only if every involved process holds one or more resources and further needs add...
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