Posts Tagged ‘jobs’
October 25th, 2009 | 
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If you research the subject, you will find bee drones, wasp drones, hummingbird drones. This was just a lucky catch at a family outing. ATS shill, take your red pill, and pay your bill. l,p Look up biomimetic robots, too.
Vanessa Alarcon saw them while working at an antiwar rally in Lafayette Square last month. “I heard someone say, ‘Oh my god, look at those,’ ” the college senior from New York recalled. “I look up and I’m like, ‘What the is that?’ They looked kind of like dragonflies or little helicopters. But I mean, those are not insects.” Out in the crowd, Bernard Crane saw them, too. “I’d never seen anything like it in my life,” the Washington lawyer said. “They were large for dragonflies. I thought, ‘Is that mechanical, or is that alive?’ ” That is just one of the questions hovering over a handful of similar sightings at political events in Washington and New York. Some suspect the insectlike drones are high-tech surveillance tools, perhaps deployed by the Department of Homeland Security.
The CIA was among the earliest to tackle the problem. The “insectothopter,” developed by the agency’s Office of Research and Development 30 years ago, looked just like a dragonfly and contained a tiny gasoline engine to make the four wings flap. It flew but was ultimately declared a failure because it could not handle crosswinds. Dragonfly “Insectothopter,” developed by CIA’s Office of Research and Development in the 1970s, had a miniature engine to move the wings up and down. A small amount of gas was used to drive the engine.
Agency spokesman George Little said he could not talk about what the CIA may have done since then. The Office of the Director of National Intelligence, the Department of Homeland Security and the Secret Service also declined to discuss the topic.
RedIce.
Pentagon’s new weapon – cyborg flies that are spies
* Julian Borger in Washington
* The Guardian, Wednesday 15 March 2006
The Pentagon is trying to develop “insect cyborgs” able to sniff out explosives, or “bug” conversations by lurking unseen in enemy hideouts with micro-transmitters strapped to their bodies.
How is this for technology imitating nature? The Defense Advanced Research Projects Agency (DARPA) has been funding a project by California-based company AeroVironment to create tiny NAVs or Nano Aerial Vehicles.
The result is a tiny winged robot that looks like an artificial hummingbird that can be controlled like your average RC aircraft. As you can see by the results demonstrated in the video above, improvements are coming along with the propulsion and control testing for the tiny robotic bird. Eventually AeroVironment is hoping to dress the device up to look like a hummingbird as well as fly like one.
The goal of the robo-hummingbird as one could guess would be to have a small discreet surveillance device that could be used perhaps to help uncover enemy combatants hiding in urban settings. Or maybe the tiny flapper could be used in search-and-rescue operations in environments too dangerous for human rescuers to venture.
Wired.
We have designed a robotic honeybee to mimic the bee dance communication system. To achieve this goal, a tracking system has been developed to extract real bee dance trajectories recorded with high-speed video cameras. The results have been analysed to find the essential properties required for the prototype robot. Putative signals in the dance communication have been identified from the literature. Several prototypes were built with successive addition of more features or improvement of existing components. Prototypes were tested in a populated beehive results were documented using high-speed camera recordings. A substantial innovation is a visual feedback system that helps the robot to minimise collisions with other bees.
Department of Mathematics and Computer Science, Freie Universitaumlt Berlin, Berlin, Germany
Duration : 0:2:10
Posted in bug tracking system | 
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As testers, we all agree to the fact that the basic aim of the Tester is to decipher bugs. Whenever a build appears for testing, the primary objective is to find out as many bugs as possible from every corner of the application. To accomplish this task as perfection, we perform testing from various perspectives. We strain the application before us through various kinds of strainers like boundary value analysis, validation checks, verification checks, GUI, interoperability, integration tests, functional — business concepts checking, backend testing (like using SQL commands into db or injections), security tests, and many more. This makes us to drill deep into the application as well as the business.
Duration : 0:7:50
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System Testing is conducted on a complete, integrated system to evaluate the system’s complain with its specified requirements. It should require no knowledge of the inner design of the code or logic. It is performed on the entire system.
Steps for Effective System Testing:
1)Test Coverage
2)Defect Tracking
3)Test Execution
4)Build Process Automation
5)Test Automation
6)Documentation
Duration : 0:6:18
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Integration Testing is the phase of software testing in which individual software modules are combined and tested as a group. The purpose of this testing is to verify functional, performance and reliability of the product.
Steps for Effective Integration Testing:
1)Software Configuration Management
2)Automate Build Process where necessary
3)Document
4)Defect Tracking
Duration : 0:5:45
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If a piece of Software is modified for any reason testing needs to be done to ensure that it works as specified and that it has not negatively impacted any functionality that it offered previously. This is known as Regression Testing.
Steps for Effective Regression Testing:
1)Test Automation
2)Selective Testing
3)Defect Tracking
Duration : 0:4:34
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Get Software testing Jobs just watching these Videos.Bug life cycle helps you understand the whole process involved in defect reporting.Testers are hired to find bugs & you need to know what happens when a bug in a software application is found.
In software development process, the bug has a life cycle. The bug should go through the life cycle to be closed. A specific life cycle ensures that the process is standardized. The bug attains different states in the life cycle. The life cycle of the bug can be shown diagrammatically as follows:
The different states of a bug can be summarized as follows:
1. New
2. Open
3. Assign
4. Test
5. Verified
6. Deferred
7. Reopened
8. Duplicate
9. Rejected and
10. Closed
Description of Various Stages:
1. New: When the bug is posted for the first time, its state will be “NEW”. This means that the bug is not yet approved.
2. Open: After a tester has posted a bug, the lead of the tester approves that the bug is genuine and he changes the state as “OPEN”.
3. Assign: Once the lead changes the state as “OPEN”, he assigns the bug to corresponding developer or developer team. The state of the bug now is changed to “ASSIGN”.
4. Test: Once the developer fixes the bug, he has to assign the bug to the testing team for next round of testing. Before he releases the software with bug fixed, he changes the state of bug to “TEST”. It specifies that the bug has been fixed and is released to testing team.
5. Deferred: The bug, changed to deferred state means the bug is expected to be fixed in next releases. The reasons for changing the bug to this state have many factors. Some of them are priority of the bug may be low, lack of time for the release or the bug may not have major effect on the software.
6. Rejected: If the developer feels that the bug is not genuine, he rejects the bug. Then the state of the bug is changed to “REJECTED”.
7. Duplicate: If the bug is repeated twice or the two bugs mention the same concept of the bug, then one bug status is changed to “DUPLICATE”.
8. Verified: Once the bug is fixed and the status is changed to “TEST”, the tester tests the bug. If the bug is not present in the software, he approves that the bug is fixed and changes the status to “VERIFIED”.
9. Reopened: If the bug still exists even after the bug is fixed by the developer, the tester changes the status to “REOPENED”. The bug traverses the life cycle once again.
10. Closed: Once the bug is fixed, it is tested by the tester. If the tester feels that the bug no longer exists in the software, he changes the status of the bug to “CLOSED”. This state means that the bug is fixed, tested and approved.
While defect prevention is much more effective and efficient in reducing the number of defects, most organization conducts defect discovery and removal. Discovering and removing defects is an expensive and inefficient process. It is much more efficient for an organization to conduct activities that prevent defects.
Guidelines on deciding the Severity of Bug:
Indicate the impact each defect has on testing efforts or users and administrators of the application under test. This information is used by developers and management as the basis for assigning priority of work on defects.
A sample guideline for assignment of Priority Levels during the product test phase includes:
1. Critical / Show Stopper — An item that prevents further testing of the product or function under test can be classified as Critical Bug. No workaround is possible for such bugs. Examples of this include a missing menu option or security permission required to access a function under test.
2. Major / High — A defect that does not function as expected/designed or cause other functionality to fail to meet requirements can be classified as Major Bug. The workaround can be provided for such bugs. Examples of this include inaccurate calculations; the wrong field being updated, etc.
3. Average / Medium — The defects which do not conform to standards and conventions can be classified as Medium Bugs. Easy workarounds exists to achieve functionality objectives. Examples include matching visual and text links which lead to different end points.
4. Minor / Low — Cosmetic defects which does not affect the functionality of the system can be classified as Minor Bugs.
Duration : 0:2:41