Ram Paliwal

mis database operating system services srs feasibility study database design database development life cycle operating system functions software engineering process control system tps transaction support system office automation system mis classification management support system is technology used in mis management information system information system derived attribute multi valued attribute composite attribute simple attribute entity attribute entity independent entity dependent entity strong entity weak entity entity types entity set database entity high level design physical database design conceptual database desing hi/miss in memory hit ratio magnetic tape cd/dvd magnetic disc ram/rom cache memory cpu regirster offline storage outboard memory inboard memory memory hierarchy interrupt handiling interrupts instruction execution cycle cpu register system calls executive section of operating system system component of os software framework iterative model of software development software development model spiral model os services protection and security job accounting resource allocation error detection communications file system manipulation i/o operation program execution user interface computer system componnets multi user multitasking batch processing serial processing types of operating system cost and effort estimation variable schedule cost resources software estimation software project planning requirement elicitation methods software requirement validation requirement gathering requirement engineering process requirement elicitation techniques role of srs in software development need of srs characteristics of srs software requirement specification requirement analysis software development life cycle model advantages of software process models evolutionary prototyping model rapid through away prototyping model prototyping model waterfall models software process models many to many relationships many to one relationships one to many relationships realtionships association between entities hierarchical database history of database file based database relational model data models overview of orgnaisational database basics of database why need database what is database database overview preventive maintenance corrective maintenance maintenance and evaluation operations testing and evaluation implementation and loading database initial study phases of database development computer system overview with respect to os computer system overview basic functions of operating system(os) functions of operating system operating system definition operating system software process characteristics umbrella activities of software process software process framework activities software process framework software process software engineering to develop quality software software is an information transformer what is software engineering reason of software crisis software crisis basics of software engineering software engineering layered technology software