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? Object: The interaction among objects takes place in a system. An object is depicted by a rectangle with the name of the object, preceded by a colon and underline.
? Relation/Association: Association between objects is linked by connecting them. The cardinality can be depicted by placing qualifiers on either ends.
? Messages: An arrow that beginning from one object to the destination object. This depicts the interaction among objects. The sequence or order of the interaction is depicted by the number.
What is the role of MAR and MDR? The MAR (memory address register) is used to hold the address of the location to or from which data are to be transferred and the MDR(memory d
What are the Advantagesof fact finding - Analyst obtains reliable data - It's possible to see exactly what is being done - This is an inexpensive method in comparison o
Difference between the fork -join and begin-end. The fork - join keywords: Groups several statements together.Cause statements to be evaluated in parallel (all at the same
CODE SEGMENT ; Set DS register MOV AX, DATA ; boiler plate code to set the DS register so that the MOV DS, AX ; program can access the data segment.
In order to restore the system defaults for all changes made with the format statement is Format Reset
Q. What is Input - Output Instructions? An I/O instruction is stored in memory of computer and is fetched as well as executed by processor producing an I/O-related command for
Before getting into the design the designer should go by the SRS prepared by the System Analyst. The main tasks of design are Architectural Design & Detailed Design. In Arch
A device driver is software interface that manages communication with and control of a particular I/O device or type of device. It is task of device driver to convert logical reque
Question: (a) Provide types of computer systems and briefly describe each one. (b) With the help of example, explain the difference between open source software, freeware a
Data can be moved from one field to another using a 'Write:' Statement and stored in the desired format. Write: Date_1 to Date_2 format DD/MM/YY.
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