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In this PPT Vertical redundancy check Explain in easy way You can download this PPT and easily under...
By- Sharvari D Rao, Sriloy Mohanty, Srividya. H
Defines DBMS schemas at three levels: Internal schema at the internal level to describe physical sto...
The (standard) Boolean model of information retrieval (BIR) is a classical information retrieval (IR...
A Network Security Model exhibits how the security service has been designed over the network to pre...
Interrupt transfers control to the interrupt service routine generally, through the interrupt vector...
Object Query Language is a query language standard for object-oriented databases modeled after SQL. ...
The kernel is further separated into a series of interfaces and device drivers, which have been adde...
Data Model: A set of concepts to describe the structure of a database, the operations for manipulati...
The commonly accepted aspects of security are as follows: Identification and authentication. Authori...
CPU scheduling more complex when multiple CPUs are available Homogeneous processors within a multipr...
Many user-level threads mapped to single kernel thread One thread blocking causes all to block Multi...
TF-IDF, short for Term Frequency - Inverse Document Frequency, is a text mining technique, that give...
Vector space model or term vector model is an algebraic model for representing text documents (and a...
A high-level abstraction that provides a convenient and effective mechanism for process synchronizat...
Design and Implementation of OS not “solvable”, but some approaches have proven successful Inte...
In operating systems that use paging for memory management, page replacement algorithm are needed to...
Main memory must support both OS and user processes Limited resource, must allocate efficiently Cont...
A process needs to be in the memory to be executed. A process can be swapped temporarily out of mem...
Semantics of fork() and exec() system calls Signal handling Synchronous and asynchronous Thread canc...
Mutual Exclusion - If process Pi is executing in its critical section, then no other processes can b...
The Playfair cipher was the first practical digraph substitution cipher. The scheme was invented in ...
Dealing with Deadlock and Starvation • Deadlock prevention – A transaction locks all data items ...
Self-describing nature of a database system: A DBMS catalog stores the description of a particular d...
