Software Engineering

You contact Apple, and you purchase a copy. Its $199 US.

WikiAnswers does not give out serial numbers for copyrighted software. That is illegal. The cost of going to jail is higher than the price given above. Buy a copy.

Pakistan is heaven for software engineers. Middle eastern countries, UK are perfect for ACCAs.

no answers for mid term exams!

There are many software development methodologies used for software development.

Let me discuss some standard technologies for software development.

1. Agile development methodology

Teams use the agile development methodology to minimize risk (such as bugs, cost overruns, and changing requirements) when adding new functionality. In all agile methods, teams develop the software in iterations that contain mini-increments of the new functionality. There are many different forms of the agile development method, including scrum, crystal, extreme programming (XP), and feature-driven development (FDD).

2. DevOps deployment methodology

DevOps is not just a development methodology but also a set of practices that support organizational culture. DevOps deployment centers on organizational change that enhances collaboration between the departments responsible for different segments of the development life cycle, such as development, quality assurance, and operations.

3. Waterfall development method

Many consider the waterfall method to be the most traditional software development method. The waterfall method is a rigid linear model that consists of sequential phases (requirements, design, implementation, verification, maintenance) focusing on distinct goals. Each phase must be 100% complete before the next phase can start. There’s usually no process for going back to modify the project or direction.

4)Rapid application development

The rapid application development method contains four phases: requirements planning, user design, construction, and cutover. The user design and construction phases repeat until the user confirms that the product meets all requirements.

If you need any software for your business then you can contact us on instanceit .com

There is not a fixed time to become a software engineer. It depends on the company you are working in or on your potential.

Control Structures can be combined by a process called Nesting.

Example:

if (x==true)

if(y==true)

{ Foo() }

Functional model: functional model is a part of the software engineering where the team has to gather the requirements according to the specifications. The moto of the team is to check wether the requirements are fulfilled for the prerequisite specifications. The job of the team in this stage is bit challenging as the requirements should meet the specifications behavioural model: it is also a part of se process where the concentrates on design than the requirement gathering like the prog language suitable for the code,number of lines the code takes,number of bugs per 1000 lines of code etc. Here the work of the team will be little risky as the requirements are already gathered

A: Because it is a very good conductor has many electrons 27 if I can remember correctly. There is a draw back to using silver that is because has the tendency to oxidize with oxygen as tarnish which occasionally must be eliminated to provide a good connection

learn hard and keep working until you don't get the money

If an RF amplifier amplifies the incoming signal by 200 times, the power gain of the amplifier is +25.9 dB. Power is proportional to voltage squared, so the power gain is 400. The decibel scale is 3 times log2 of the power change.

You can get your FMC/John Bean 2500/4100 or 5800 repaired @ ADER inc.

To evaluate the transient response of an RC circuit, you start with the steady state just prior to the transient, i.e. just prior to the switch being opened or closed, or just prior to whatever transient event you are modeling. Since you are steady state, assume that capacitors are not present, i.e. they are resistors with infinite impedance. Calculate the voltage and current at each node, using Ohm's law and/or Kirchoff's law and/or Norton/Thevanin equivalents as necessary. Remember that capacitors resist a change in voltage. The equation is dv/dt = i/c. At t=0, assume that each capacitor has the voltage calculated from the initial steady state condition. Initiate the transient and calculate the voltage and current at each node using the initial state differential equation. You can do this analytically, or you can model it in software. If you model, pick an appropriate delta-T, and do a step wise evaluation until the voltages and current settle to their new values. Adjust delta-T to make sure that you are getting consistent results. Just don't go too short, as truncation error can bias the results.

fax machines, answering machines, printers, scanners, mobile phones, and the Internet

======================================

Another contributor added:

auto ignition system, or the whole propulsion system of an electric or hybrid car

land-line telephone

cellphone

smartphone

microwave oven

weather radar

aircraft navigation

radio

television

traffic lights

anything you get hooked up to in a hospital that doesn't involve fluids

electric stoves

gas stoves without pilots

CD player

DVD player

any pedometer with a battery in it

smoke detector

carbon monoxide detector

fish finder

trolling motor

digital wrist watch

digital alarm clock

digital auto speedometer

GPS

anything else with a digital display

radio astronomy

fluorescent lights

infrared communication

LED lights

fiber-optic cable with any light in it

the TV remote

all communication with any satellite or other spacecraft

anything that uses a laser for any purpose

automatic clothes washer

kitchen dishwasher

wifi

pocket calculator

the whole computer that you're reading this on

Managing change and improved quality of software assets

Formal Technical Review

An aggregation is a special form of association that models a whole part relationship between an aggregate(the whole) and its parts..

Yes it is possible to combine process models. It is the spiral process model.This model of development combines the features of the prototyping model and the waterfall model

Let us consider the case study of the baggage-handling system at the Denver International Airport (DIA) again. Initially, DIA had intended that each individual airline would be responsible for building its own baggage-handling system. However, as the construction of the airport progressed, a larger vision emerged for the inclusion of an airport-wide integrated baggage-handling system that could provide a major improvement in the efficiency of luggage delivery and no one gave any thought to risk assessment. The essential concept of the Spiral Model is to minimize risks by the repeated use of prototypes and other means. Unlike other models, at every stage risk analysis is performed. The Spiral Model works by building progressively more complete versions of the software by starting at the center of the spiral and working outwards.

The contrast in a DVST monitor is not sharp

They ordinarily do not display color .

Selected part of the picture can not be erased

The erasing and redrawing process can take several seconds for complex pictures.

According to Pilling-Bedworth rule, if the volume of oxide layer formed is greater than the volume of the metal, the oxide layer is protective and non-porous. However if the oxide layer formed has volume lesser than that of the underlying metal then the oxide layer is porous and non-protective.

Observational techniques, typically, place the user in the eventual context in which a system will be operated. In contrast, lab-based techniques rely upon careful control of variables that might otherwise confound experimental results. Lab based studies can be used to make direct and fair comparisons between different systems using statistical measures of significance . In contrast, observational studies provide rich insights into the application of an interactive system but it can be difficult to make such direct comparisons when the experience of interactive with the system can be influenced by a host of factors that are difficult to replicate for each system within the eventual context of use.

To calculate the page table size, divide virtual address space by page size and multiply by page table entry size.

Example: for a 120MB address space with a 4KB page size, you require 30,720 page table entries. If a page table entry is 4 bytes, you require a total page table size of 122,880 or 120KB.

planning may be looking ahead whilst controlling is ensuring the planning comes to a sucessful conclusion

1-It leads to software reusability.

2-It leads in readuction of production cost up to 85% and save production time upto 70%.

3-system reliability can be increased here.