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State Disadvantages of object oriented analysis design
You know that OO methods only create functional models within objects. There is no place in methodology to design a complete functional model. While this is not a difficulty for some applications (e.g. building a software toolset) but for large systems, it can direct to miss requirements.
"Use cases" addresses this problem, but as all use cases could not be developed, it is still possible to miss requirements until late in development cycle. Another drawback of the object oriented analysis design (OOAD) is in system modelling for the performance and sizing. The object oriented (OO) models do not easily explain the communications among objects. Indeed, a fundamental concept of object oriented (OO) is that object does not know who is invoking it. While this leads to a flexible design and performance modelling could not be handled easily. This design itself does not provide support for identifying that objects will generate an optimal system design or not. Specially, there is no single diagram which shows all of interfaces between objects. As you know, coupling is a main factor in system complexity, not having coupling information makes architecture component selection either a hit or miss proposition.
Give the format of Ethernet frame and explain the semantics of each field. An Ethernet frame starts with headers which have three fields. The 64-bit preamble, which precedes th
The output of SR flip flop when S=1, R=0 is ? Ans. When for the SR flip-flop S=set i/p R=reset i/p, as S=1, R=0, Flip-flop will be set means output will be one.
Tell me which queue having present queue depth should be greater than zero? Ans) Event queues Open MQ Explorer by selecting Start > Programs > IBM WebSphere MQ > WebSphere
a. Explain Standard Streams and file streams. Differentiate among two types of stream. b. Write a program in C++ that inputs characters from the keyboard and prints them in reve
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State the various Security Tools Securing an Intranet is not a simple task. Just as articles in a house are protected by use of various types of security systems such as lock
Can we include customizing include or an append structure with Pooled or Cluster tables? No.
What are the difference between finite automata and Turing Machines? Turing machine can alter symbols on its tape, while the FA cannot change symbols on tape. Also TM has a
what is line balancing
Q. Explain about Dual In line Memory Modules? A DIMM is capable of delivering 64 data bits right away. Usual DIMM capacities are 64MB and up. Every DIMM has 84 gold patted conn
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