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What is class, class diagram?
An object is an instance of a class. Class explains a group of objects with similar properties (attributes), behaviour (operations), kinds of relationships and semantics.
Example: person, company
Class diagram gives a graphic notation for modeling classes and their relationships.
Explain Batch operating systems. Batch operating systems : A batch is a sequence of jobs. Such batch is submitted to batch processing operating systems moreover output would s
List the typical functions of operating systems. Classical functions of operating system are given as: (1) Process management: A process is a program throughout execution.
The Work Systems Framework - Information System Adler writing in 1992 used the phrase 'stumbling backwards into the future' to describe the neglect organisations at that time
CMOS circuits are extensively used for ON-chip computers mainly because of their extremely ? Ans. Since CMOS circuits have large packing density, so these are extensively use
How many services are supported by internet? The firewall software assists at least Internet services: HTTP, FTP, Gopher, SMTP and Telnet. DNS name resolution, preferably th
Clocked SR flip flop A clock pulse is a sequence of logic 0, logic 1, and logic 0 occuring on the CLK input. Time t n occurs before the clock pulse and time t n+1
Firewalls While getting one firewall for the company's Intranet it should be well known that firewalls come in both hardware and software forms, and that even though all firew
Cache Memories - computer architecture: Speed of the primary memory is very low in comparison with the speed of processor For well performance, the processor can't spend
documentation for dbms report
What does the c$ command do from command mode using Vi Editor? Ans) C$ will start from the character under the curser till the finish of line. So when you use this command it wi
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