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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.
Syntax errors and logical errors: Syntax errors also called as compilation errors are caused by violation of the grammar rules of the language. The compiler detects, isolate th
This assignment consists of design and development of an information system. The first part of the assignment consists of the design, which includes construction of ER and DFD diag
Explain the working of a 2-bit digital comparator with the help of Truth Table. Ans. Digital comparator is a combinational circuit which compares two numbers, A and B; and
What is meant by hide area? The hide command temporarily kept the contents of the field at the present line in a system-controlled memory called as the HIDE AREA. At an intera
Q. Illustarte Basic Flip-flops? Let's first see a ordinary latch. A latch or flip-flop can be created employing two NOR or NAND gates. Figure (a) presents logic diagram for S-R
Common Functions of Interrupts: An Interrupt transfers control to the interrupt service routine, generally through the interrupt vector table, which contains the addresses
Q. Sequence of micro -operations to perform a specific function? A digital system executes a sequence of micro-operations on data stored in registers or memory. Specific sequen
Explain about Physical model The Physical model describes concrete software and hardware components of system's context or implementation.
1. countdown Example: countdown(5,[5,4,3,2,1]). NOTE - your function should be able to answer questions such as: ?- countdown(5,L). 2. count_occur Example: count_occur(7,[5,2,6
The Purpose of POINTER phrase is to verify the leftmost position within receiving field where the first transferred character will be kept
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