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Software Engineering

Software engineering is the process of applying well-developed techniques and practices in order to create new software products. Questions about everything from design patterns to requirements and specification belong here.

1,663 Questions

What are some examples of a composite attribute?

A composite attribute consists of a group of values from more than one domain. For example, the Address attribute consists of several domains such as house number, street number, city, country, etc.

What is software requirement specification for automatic report generation process?

There are too many ways to answer so let's start with assumptions on your goals and answer as follows:

You'll need at least a method of storing the portions of the future report. We do this as "bits." Then you'll need to store many other pieces of the generation protocol, like what triggers any piece being included? For parts that are generated on the fly (without stored text) whence do they come (i.e. weather might be collected from a website, temperature might be measured from your digital thermometer connected to your PC, a user's name might be requested at the moment of report generation, today's date is a system variable and the current conversion rate of $Dollars to ¥Yen may be pulled down from Bloomberg or some Bulletin board service.

This means the main software requirement would be a database. We've generated documents from Access, Outlook, Word using Excel for the data, and Oracle. Since each of these allows a coding and application capability, they could be used as stand alone "software" specifications and no other piece would be required. In practice however, you will want more sophisticated tools.

After storage (we also recommend MySQL, which is now owned by Sun, and which is a robust back end) the data based on a list or event handling is streamed into a report. What format would you like that in? Different formats offer benefits and weaknesses. The report is generated and then we'd recommend creating from whatever initial format is preferred, or AS an initial format, moving it to a secure *PDF. This can be effected in a variety of ways, from Adobe or third party pdf generators. The portable document format (pdf) is definitely the most versatile, compact (while being robust) and compatible format for a final digital document. If printed, Adobe virtually guarantees that it will look on paper as it does on the screen, and yet the beautiful file is no larger than necessary.

Other final document considerations should also be taken - i.e. if it will be viewed on a pda or phone, you may consider xml or some other web based format which can be style sheeted to reflow for the particular viewing screen. This is a less versatile but more adaptable format.

Summarizing you'll need:

* A storage application and file - Database, i.e. Access; MySQL * A generation application - VBA in Access; MySQL Stored procedures, etc. * A document preperation platform - handle it as text in Access or MySQL; or move to Word or Quark or another app for complex features, i.e. column based text flow or table of contents.

* An application for conversion from this preparation stage to a PDF or web-based (XML, HTML) final document or eBook.

What jobs are common in South Africa?

none. most of them are poor.

^ Wrong.

The answer is farming, hun. :3

Jobs per sector; Trade sector=22%

Industrial=20%

Manufacturing=14%

Finance=13%

Interesting to note that farming and mining jointly account for only 7,7%.

How does a microprocessor know whether the next byte is an instruction or data?

A microprocessor know whether the next byte is an instruction or data because the microprocessor knows for what it is looking. The bus, on the other hand, for an 8085 based system, knows an opcode from data by looking at S0 and S1 when IO/M- is low. If both are high, it is an opcode, otherwise it is data.

What is difference betwee coupling and cohesion?

Coupling within a software system is the degree to which to which each module relies on other modules

cohesion is the measure of a sub systems internal interdependence

What is the 8086 interrupt to play music?

An interrupt is a mechanism for hardware of software to interrupt the processor to go do something else.

Playing music is a much higher level abstraction, and it is not valid to ask what is the interrupt to play music, partly because it depends on the specific hardware implementation.

How is feasibility and requirement analysis related?

The first step in SDLC is to gather requirements. After gathering requirements these requirements are analysed, if all the requirements are gathered then more feasible the project will be.

How do you convert CGPA to percentage for engineering college affliated to anna university?

CGPA is the measure of academic success in India. It is similar to the United States GPA, but runs on a 10.0 scale instead of 4.0. There are several online calculators that can be used to translate that into percentages.

What does it mean for a computer to have a 16-bit processor?

When you say that a computer has a 16 bit processor, you mean that the fundamental data size of the accumulator and registers is 16 bits. Examples of 16 bit processors include the DEC PDP-11, the Intel 8086/8088, and the MODCOMP Classic, circa 1980.

What is rigorous software testing?

After we are done with coding we do testing . Rigorous means extreme so we can say rigorous testing is one which is done in extreme conditions.

If you have received an appointment letter as a software engineer from XYZ software house Write a letter of acceptance stating your joining date and agreement on terms and conditions of the contract?

: You have received an appointment letter as a software engineer from XYZ software house. Write a letter of acceptance stating your joining date and agreement on terms and conditions of the contract.

What is differe between installing software and upgrading software?

Installing software is more like adding a new software on your machine. Upgrading is updating your existing software to a newer version.

What is ac static switch?

The AC static switch is used to transfer the load of electrical energy to another location. Its dependability is important for an electronic device.

What is the significance of Environmental Engineering?

IT is very useful branch of engineering.Due to this many new equipments are discovered. it increases the development of society as well as mankind. Many natural disasters could be known in advance. Technological development of society is root cause of calling developed society. By adding one more branch in technology adds one more mile stone in infra structure.

When data and instructions are not being used where are they kept?

Originally they're kept on the hard drive in the form of a program. Once run, the instructions and data are loaded into main memory until the processor is ready for them. They are then read into the various levels of CPU cache when awaiting execution.

What are the features of second generation computers?

  • Transistorized electronics.
  • Magnetic tape drives.
  • Magnetic hard disk drives.
  • Punched cards.

Spiral model is known as meta model justify?

piral Model is called meta model because it is composed of several other models.For example a single loop spiral actually represent the Waterfall Model.The spiral model uses prototyping approach before embarking on the actual product development effort.Also the spiral model can be considered as supporting the evolutionary model-the iterations along the spiral can be considered as evolutionary levels through which the complete system is built.This enables the developer to understand and resolve the risks at each evolutionary level.The spiral model uses prototyping as a risk reduction mechanism and also retain the systematic step approach of waterfall model.(

What is electrode function in mold design?

An electrode is used by the EDM (electro discharge machine) in actually fabricating the injection mold. An EDM uses either carbon (like pencil lead) or other material to burn the part shape into the mold. It's not part of the mold per se but used to make it.

Quality and reliability are related concepts but are fundamentally different in a number of ways Discuss them?

Quality focuses on the software's conformance to explicit and implicit requirements. Reliability

focuses on the ability of software to function correctly as a function of time or some other quantity. Safety considers the risks associated with failure of a computer-based system that is controlled by software. In most cases an assessment of quality considers many factors that are qualitative in nature. Assessment of reliability and to some extent safety is more quantitative, relying on statistical models of past events that are coupled with software characteristics in an attempt to predict future operation of a program

How can you rotate the stepper motor to different angles?

A; stepper motor can rotate to various angle if the resolution is infinite then the rotation will be infinite. however practically is set to step a certain angle per step