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OS

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  Circular wait  no preemption prenemtive processes- those which can be paused  non preemptive - burning cd is an exapmle it will curropt if stopped or paused in between or the system stops while the process for anyy reason  hold and wait assuming these both are non preemptive    mutual exclusion  this happemns due to critical as it can be accessed once at a time by the process 
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Dbms

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 What is Dbms ? i Srands for database management system, its main purpose revolves around the Data  this system allows its user to store the data, define it , retrieve it and also update the information about the data inside the database. Two types of DBMS: RDMS- mysql NOSql-mongodb(json) and neo4j(graph) it is a collection of data in a organized way such that it can to facilitate its users to easily access, manage and upload data  Dbms were developed to handle the following problems of the traditional file- processing system supported by conventional OS: data redundancy and inconsistency  Easy access to data  Security  atomicity durability isolartion and consistency- not present   consurrent access by doffernt users - one by one  this is a problem que when the interviewer will ask about the databse used by you and asks if you made aER diagram before making the entities steps: entity set  attributes relatins all the rows or entries toget...
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Hi Anurag Sharma! + 5   Air quotes , also called  finger quotes , are virtual  quotation marks  formed in the air with one's fingers when speaking. + 5   + 5   It could be ironic or may be intended to mock somebody or be sarcastic.  + 5   While the term  air   quotes  did not appear until 1989, use of similar gestures has been recorded as early as 1927. + 5   But this lesson portrays the positive implementation and how strings can be introduced into the programs. + 5   The remaining literals are String literals and Boolean literals. Let us dive into to know about them. + 5   The string literals are same as the character literals. + 5   The main difference between character literals and string literals is that the string literals are enclosed in double quotes. + 5   For example, "This is an example of string literal" . + 5   A string literal also can accommodate special characters and escape sequences me...
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