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Illustrate some notations of object modeling notations
A classifier is a mechanism which describes behavioural and structural features. In UML significant classifiers are class, signals, data type, interface, use case, nodes, components, and subsystems.
A class is a description of a set of objects which share same attribute, semantics, operations, and relationships. In UML, it is represented by a rectangle.
An attribute is a named feature of a class which describes a range of values that instances of property may hold. In UML, they are listed in the compartment just below the name of that class.
An operation is implementation of a service which can be requested from any object of class to affect behaviour. In UML, they are listed in the compartment just below to that of the class attribute.
Explain MIB (Management Information Base) variables. MIB is a set of named items which an SNMP agent knows. To control or monitor a remote computer, a manager should fetch or s
What is Public Key Cryptography Public-key cryptography is a form of modern cryptography which permits users to communicate safely without lastly agreeing on a shared secret
Single Instruction and Single Data stream (SISD) In this organisation, sequential implementation of instructions is executed by one CPU having a single processing element (PE
Q. Concurrently read concurrently write? It is one of the models derived from PRAM. In this model the processors access the memory locations simultaneously for reading and writ
A distributed workstation cluster must be viewed like single computing resource and not as a group of particular workstations'. Details of cluster were: 150MHz R4400 workstatio
Q. Define Colspan and Rowspan? Now let's see how to work with COLSPAN (Column Span) and ROWSPAN (Row Span). If we want cell containing Ajay in Figure to be extended to the next
why we say OS is a resource allocator and control program
What is synchronous transmission? In synchronous transmission the two units share a common frequency and bits are transmitted continuously at the rate dictated by clock pulses
what is boot blocks
en a five station token bus LAN with station addresses of 3000, 500, 100, 70, and 50. Stations with addresses of 5000, 4000, 400, 90, and 60 are waiting to enter the ring. Assume a
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