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what is meant by refreshing of the screen some method is required for maintaining the picture on the screen refreshing of screen is completed by
what is meant by scan code when a key is pressed on the keyboard the keyboard controller places a code take to the key pressed into a part of the
define is a personalityin order to allow programs coming other operating system to be run in linux linux supports the idea of personalities every
what are the different scheduling policies in linuxthe linux scheduler has three different scheduling policies one for normalprocesses and two for
classify schedulerscheduler is a kernel function decide which method be thought to be implemented by the processor the scheduler scans the
what is the session session is a collection of various groups of method every session is assigned to a single control terminal this terminal is
what is the type of process identifiers identification of the real user identification of the effective user identification of the real group
what are the attributes of the methodduring implementation a process is characterized by various attributes maintain by the system its state its
what are the process statesby the courses of implementation processes change state status of a process is express by its present activitydissimilar
classify process differentiate program processa process maybe concerned to be a program being run a program isnt a process of itself its a passive
define user mode and kernel modekernel is a private mode in that no limitation is imposed on the kernel of system kernel may be use all the
what are the role of an operating system sharing the processor virtual machine resource management memory
define various systemsingle job system only one program may be run at a time and therefore only one person might be work on a machine at one
what are the disadvantages of linux learning lack of comparable programs more technical skill
what is the advantages for linux runs on old hardware low-cost linux is fully customizable in all its components powerful linux runs on low-end cheap
what are the two phases in the advancement of linux state some applications of open source systems finance educational data storage and management
show some characteristics of linuxits a unix-like computer operating system one of the most major examples of free software and open source
what are the advantages of open source system high-quality software lesser hardware costs integrated management no vendor lock-intake control of our
what are the four significant factors that led to the development of open source software1 to diminish the high control value of the proprietary
what is applying of an open source systems no licensing issues no initial cost speed of access openness and
explain open source softwareopen source software is software for which the underlying programming code is available to the users so that they might
define class np problems that can be solved in polynomial time by a nondeterministic tm contains all problems in p and some problems possibly
define class p the class of all sets l that can be known in polynomial time by deterministic tm the class of all decision problems that can be
explain turing reducibility exponential time algorithms typically happens when we solve by searching by a space of solutions known as brute -force
what is hamiltonian path a hamiltonian path in a directed graph g is a directed path that goes by each node exactly once we consider a special