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What is use case and use case diagram?
A use case is a coherent piece of functionality that a system can give by interacting with actors. Use case includes one or more actors as well as system itself.
A system involves a set of use cases and a set of actors. The set of use cases shows the complete functionality of the system at some level it is known as use case diagram.
Discuss the various functions of telephone switching systems. Telephone switching system's functions are as follows: (i) Attending: The system should be continually monito
external initiated operations
State about CSMA/CA It belongs to a class of protocols known as multiple access methods. CSMA/CA stands for: Carrier Sense Multiple Access with Collision Avoidance. In
Update the permutation algorithm from the text to obtainthe correct list of permutations even if the string haves repeated letters. For example, if you call ListPermutations on the
How can we decrement and increment operations We can implement decrement and increment operations by using a combinational circuit or binary down/up counters. In
Develop a regular expression for Integer and Identifier (i) A regular expression for integer is [+ | -] (d)+ (ii) A regular expression for identifier is l(l | d)*
IT Management 1. Describe how the IT infrastructure is designed. 2. Explain briefly the audit planning phase in IT Audit 3. Explain localized and distributed load balanci
How do you populate data into a multiple line field? To populate data into a multiple line field, an index is added to the field name to show which line is to be populated by t
Parallel Overhead The amount of time needed to organize parallel tasks, as opposed to undertaking useful work. Parallel overhead may comprise factors like: 1) Task start-u
Q. Illustrate Shift Micro-operations? Shift is a valuable operation that can be used for serial transfer of data. These operations can also be used along with other (arithmetic
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