Posts Tagged ‘applications’

ISEB Software Testing Foundation training courses introduce students to the fundamentals of software testing, including the reasons for carrying out tests, basic test processes and the general principles that underpin testing good practice. Knowing these principles, and understanding how they affect the software tester, is crucial to passing the ISEB Software Testing Foundation exam.

1. Testing shows the presence of bugs

That is, testing can show that problems exist, but not that problems do not exist.

This principle lies at the core of ISEB Software Testing guidance. An astute test analyst understands that even if a test does not reveal any faults, the subject of the test is not necessarily error-free.

The key objective of carrying out a test is to identify defects. Working under the assumption that every product will contain defects of some kind, a test that reveals errors is generally better than one that does not. All tests should therefore be designed to reveal as many errors as possible.

2. Exhaustive testing is impossible

Exhaustive testing feeds all possible data combinations into the software, in order to ensure that no untested situation can arise once the software has been released. Except on extremely simple applications, the number of possible data combinations is forbiddingly high; it is more effective and efficient for testers to focus on risks and priorities, so that the tests are targeted to the testing needs.

3. Early testing

A product (including documents, such as the product specification) can be tested as soon as it has been created. The ISEB software testing guidance recommends testing a product as soon as possible, in order fix errors as quickly as possible. Studies have shown that errors identified late in the development process generally cost more to resolve.

For example: an error in a product specification may be fairly straightforward to fix. However, if that error is transferred to the software coding, then fixing the mistake could become costly and time-consuming.

4. Defect clustering

Studies suggest that problems in an item of software tend to cluster around a limited set of modules or areas. Once these areas have been identified, efficient test managers are able to focus testing on the sensitive areas, while still searching for errors in the remaining software modules.

5. The ‘pesticide’ paradox

Like over-used pesticide, a set of tests that is used repeatedly on the same software product will decrease in efficacy. Using a variety of tests and techniques will expose a range of defects across different areas of the product.

6. Testing is context dependent

The same tests should not be applied across the board. Different software products have varying requirements, functions and purposes. A test designed to be performed on a website, for example, may be less effective when applied to an intranet application. A test designed for a credit card payment form may be unnecessarily rigorous if performed on a discussion forum.

In general, the higher the probability and impact of damage caused by failed software, the greater the investment in performing software tests.

7. Absence of errors fallacy

Declaring that a test has unearthed no errors is not the same as declaring the software “error-free”. In order to ensure that adequate software testing procedures are carries out in every situation, testers should assume that all software contains some (albeit concealed) faults.

Summary

Software testing good practice is an essential part of ensuring the quality of IT products. While software testing cannot guarantee that the software contains no errors, it does contribute significantly to the identification and reduction of faults, improving the likelihood that the software implementation will succeed.

Simon Buehring is a project manager, consultant and trainer. He works for KnowledgeTrain which offers ISEB software testing foundation in the UK and overseas. He can be contacted via the ISEB business analysis website.

Author: Simon Buehring
Article Source: EzineArticles.com
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For business owners to be able to maximize the benefits they could get from using timesheet software, it is very important for them to fully understand how to use the software. This is because knowing the different applications of the software would allow users to use these applications to perform a number of tasks that can help the company with its operations. Given this, business owners need to make sure that they get software that they could easily learn how to use.

Fortunately, there is quite a number of timesheet software that fit this criterion because there are some of them that are based on some of the most commonly used software by business owners. One example of this are the Excel based timesheet software, which are based on the MS Excel program found in most computers that run on Windows.

The most obvious advantage in using Excel based timesheet software is that most people are familiar with the Excel program, and almost anyone can use the software. This means that both business owners and their employees can get benefits from using the timesheet software as soon as they get the software. However, there are also other advantages in using Excel based timesheet software. One of these includes the fact that these kinds of programs are easy to customize, which can be very helpful for companies because they could “manipulate” the software for it to be able to fit the specific requirements of the company. Other advantages, which include some of the advantages that traditional timesheet software provide include the fact that the features of the software allow users of the software can keep track of the work hours that employees put in, their accounts receivables, their purchases, and their overall cash flow.

For business owners to maximize the benefits they could get out of using timesheet software, it is important for them to fully understand how to use the software. Today, there is a number of timesheet software that has been designed to be based on some of the more commonly used software, which includes MS Excel. As a result, business owners are given access to software that is easy to learn and use, which allow them to get the most out of the software.

Timesheet Software [http://www.e-TimesheetSoftware.com] provides detailed information on Timesheet Software, Web Based Timesheet Software, Free Timesheet Software, Excel Timesheet Software and more. Timesheet Software is affiliated with Payroll Time Clock Software.

Author: Elizabeth Morgan
Article Source: EzineArticles.com
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If you ignore/block applications in Facebook, does the sender know that you ignored them? My aunt and cousin are request happy in Facebook (throwing snowballs, sending lucky clovers, blah blah blah) and it’s annoying. LOL But I don’t want to hurt their feelings by telling them that. If I just click the ignore/block button, will they know I’m not paying attention to those requests? Sorry, I’m new to Facebook. Thanks!

Answer:
I totally understand what you mean! No, they won’t know you ignored them. It bugs too so bad,i get all excited that i have a notification and its a stupid “passed drink” from my sister or something and i’m like ughhh.