Start Discovering Solved Questions and Your Course Assignments
TextBooks Included
Solved Assignments
Asked Questions
Answered Questions
q likewise some systems support many types of structures for a files data while others simply support a stream of bytes what are the merits in
q why do some systems stay track of the type of a file while others leave it to the user or simply dont implement multiple file types which system is
q a number of systems automatically delete all user files when a user logs off or a job terminates unless the user explicitly requests that they be
q we have an os operating system for a machine that uses base and limit registers however we have modified the machine to provide a page table can
q consider the demand-paged computer system where the level of multiprogramming is currently fixed at four the system was recently deliberate to
q segmentation is alike to paging but uses variable-sized pages describe two segment-replacement algorithms based on fifo and lru page replacement
q you have devised a fresh page-replacement algorithm that you think may be optimal in a few contorted test cases beladys anomaly occurs is the
q suppose that you want to utilize a paging algorithm that requires a reference bit such as second-chance replacement or working-set model however
q consider the two-dimensional array aint a new int100100whereas a 00 is at location 200 in a paged memory system with pages of size 200 a little
q an operating system sustains a paged virtual memory using a central processor with a cycle time of 1 microsecond it costs an additional one
q when virtual memory is executed in a computing system there are convinced costs associated with the technique and certain benefits list the
q which of the subsequent programming techniques and structures are good for a demand-paged environment which arent good describe your answersa
q presume that you have a page-reference string for a process with m frames initially all empty the page-reference string has length p along with n
q under what conditions do page faults occur explain the actions taken by the operating system when a page fault occursanswer a page fault take
what is refresh buffer identify the content and organisation of the refresh buffer for the case of raster display and vector
let us say we have a list of 10 animal objects called quotanimalsquot in alice write the code to move them forward synchronously by 1
a transperent switch is inserted between two local area networks abc and xyznetwork abc has workstation 12and 3 and network xyz has workstation 45
what are domain constraints a domain is a set of values that might be assigned to an attribute all
what is trigger triggers are statements that are executed automatically by the system as the side effect of a modification to the
what is the use of group by clause group by clause is used to apply aggregate functions to a set of tuples
write short notes on schema diagram a database schema along with primary key and foreign key dependencies can be depicted pictorially by
define query language a query is a statement requesting the retrieval of information the portion of dml that includes information retrieval is
write short notes on domain relational calculus the domain relational calculus uses domain variables that take on values from an attribute
write short notes on relational model the relational model uses a collection of tables to show both data and
define the terms i ddl ii dml ddl data base schema is specified by a set of definitions expressed by a special