Polymorphism is a feature of OOP that allows one interface to be used for a general class of actions. The specific action is determined...
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Features of object-oriented programming over the procedure-oriented and Java as platform independence
Java makes platform independence possible by translating a program into bytecode instead of machine code. Bytecode is a highly optimized set of instructions designed...
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There are three principles of OOP short definations
EncapsulationInheritancePolymorphismEncapsulation is the mechanism that binds together code and the data it manipulates and keeps both safe from outside interference and misuse. Inheritance is the...
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DEADLOCKS and METHODS FOR HANDLING DEADLOCKS in OS
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...
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PAGE REPLACEMENT ALGORITHMS in OS
PAGE REPLACEMENT ALGORITHMSIn general, we want a page replacement algorithm with the lowest page-fault rate.We evaluate an algorithm by running it on a particular...
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Cache memory
Although cache memory is invisible to the OS, it interacts with other memory management hardware. Furthermore, many of the principles used in virtual memory...
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THREADS IN OPERATING SYSTEM
A thread is a basic unit of CPU utilization; it comprises a thread ID, a program counter, a register set, and a stack.It shares...
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PROCESS STATE
PROCESS STATEThe state of a process is defined in part by the current activity of that process. As a process executes, it changes state....
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