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Define the node of object oriented modeling
A node is a physical element which exists at runtime and represents a computational resource usually having a large memory and often process capability. In UML, node is shown as a cube. The notation for the node is shown as:
What are qualified associations? A qualified association is an association in which an attribute known as the qualifier disambiguates the object many associated end.
is a technique of improving the priority of process waiting in Queue for CPU allocation? Ageing is a technique of enhancing the priority of process waiting in Queue for CPU all
Why disable statements are not allowed in functions? If disble statement is used in function,it invalids function and its return value. So disable statements aren't
Explain elements of language Grammer . As proposed through Noam Chomsky, a grammar G contains the following elements: a. A finite set N of non terminal symbols. b. A f
A ring counter consisting of five Flip-Flops will have ? Ans. A ring counter have 5 states while consisting of Five Flip-Flops.
Q. Explain Programmer Visible Registers? These registers can be accessed employing machine language. In general we encounter four kinds of programmer visible registers.
Define memory cycle time? It is the time delay needed between the initiations of two successive memory operations. Eg. The time among two successive read operations.
List the steps needed to perform page replacement. The steps required to perform page replacement are: 1. Find out which page is to be removed from the memory. 2. Perfor
Q. Explain Shift register with diagram and waveform. Q. Write a short note on Decoder.
What is the File-system security Most commercial servers use a powerful operating system as base that provides good methods of file-system security. Some servers require additi
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