Be a Certified Software Tester

Indian Testing Board (ITB) is the International Software Testing Qualifications Board (ISTQB) approved national board for India. ITB is responsible for the "ISTQB-Certified-Tester" Certification in India.

If your certified by this board your value gets summed up in this software revolution.

FOR FURTHER DETAILS
The ISTQB was officially founded as an International Testing Qualifications Board in Edinburgh in November 2002. The ISTQB is responsible for the "ISTQB Certified Tester", which is an international qualification scheme and the qualifications in the scheme are based on a syllabus. There is an examination covering the contents of the syllabus. After the examination, each successful participant receives the “ISTQB-Certified-Tester” certificate.Please visit Exam Dates page for details on the dates of examination and how to apply. The syllabi are available at the Syllabi page.
The contents of each syllabus are taught as courses by training providers, which have been accredited by ITB. The list of accredited training providers and information on how to get accredited visit the Training Providers page.

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Aircraft transportation And Maintenance management

Here is the link for the Aircraft transportation And Maintenance management Q&Ans 2 marks &16marks with answer and explanation.

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Theory of Elasticity

Here is the link for the Theory of Elasticity Q&Ans 2 marks &16marks with answer and explanation.

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aircraft systems and Instrumentation

Here is the link for the aircraft systems and Instrumentation Q&Ans 2 marks &16marks with answer and explanation.

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MOBILE COMMUNICATION

Here is the link for the MOBILE COMMUNICATION Q&Ans 2 marks &16marks with answer and explanation.

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SATELLITE COMMUNICATION

Here is the link for the SATELLITE COMMUNICATION Q&Ans 2 marks &16marks with answer and explanation.

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OP-AMP Circuits

What exactly is an OPerational AMPlifier?
Let's define what that component is and look at the parameters of this amazing device. An operational amplifier IC is a solid-state integrated circuit that uses external feedback to control its functions. It is one of the most versatile devices in all of electronics. The term 'op-amp' was originally used to describe a chain of high performance dc amplifiers that was used as a basis for the analog type computers of long ago.

MORE CIRCUIT DESIGN USING OP-AMP
I have given full detials

The very high gain op-amp IC's our days uses external feedback networks to control responses. The op-amp without any external devices is called 'open-loop' mode, referring actually to the so-called 'ideal' operational amplifier with infinite open-loop gain, input resistance, bandwidth and a zero output resistance. However, in practice no op-amp can meet these ideal characteristics. And as you will see, a little later on, there is no such thing as an ideal op-amp. Since the LM741/NE741/uA741 Op-Amps are the most popular one, this tutorial is direct associated with this particular type. Nowadays the 741 is a frequency compensated device and although still widely used, the Bi-polar types are low-noise and replacing the old-style op-amps.
Shown in Fig.1 at the right are op-amp symbols as usedtoday. The one on the right is an older way of drawing it but still used in books like the ARRL (American Radio Relay Leaque) and older schematics. It is common practice to omit the power supply connections as they are implied.

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PC-BASED DC MOTOR SPEED CONTROLLER

This circuit allows you to control the speed of a DC motor (in eight levels)from your PC’s parallel port. The PC uses a software program to control the speed of the motor.

HOW DOES IT WORK
I have given full detials
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MOBILE BUG

This handy, pocket-size mobile transmission detector can sense the presence of an activated
mobile phone from a distance of one and-a-half metres. So it can be used to prevent use of mobile phones in examination halls, confidential rooms, etc.


HOW DOES IR WORKS

It is also useful for detecting the use of mobile phone for spying and unauthorised video transmission. The circuit can detect both the incoming and outgoing calls, SMS and video transmission even if the mobile phone is kept in the silent mode. The moment the bug detects RF transmission signal from an activated mobile phone, it starts sounding a beep alarm and the LED blinks. The alarm continues until the signal transmission ceases. An ordinary RF detector usingtuned LC circuits is not suitable for detecting signals in the GHz frequency band used in mobile phones. The transmission frequency of mobile phones ranges from 0.9 to 3 GHz with a wavelength of 3.3 to 10 cm. So a circuit detecting gigahertz signals is required for a mobile bug.

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LED LIGHTING FOR CHRISTMAS

Using light effects for decoration on festive occasions is a normal practice. Designers are coming up with varieties of electronic circuits to fill the imagination of users.
TO DOWNLOAD THE CIRCUIT AND DESCRIPTION

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AUTOMATIC LOW-POWER EMERGENCY LIGHT

Here is a white-LED-based emergency light that offers
the following advantages:

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1. It is highly bright due to the use of white LEDs.
2. The light turns on automatically when mains supply fails, and turns off when mains power resumes.
3. It has its own battery charger.When the battery is fully charged, charging stops automatically.
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Privacy Policy for www.educationfriendly.blogspot.com

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You should consult the respective privacy policies of these third-party ad servers for more detailed information on their practices as well as for instructions about how to opt-out of certain practices. www.educationfriendly.blogspot.com's privacy policy does not apply to, and we cannot control the activities of, such other advertisers or web sites.

If you wish to disable cookies, you may do so through your individual browser options. More detailed information about cookie management with specific web browsers can be found at the browsers' respective websites.

Links
This Web site contains links to other sites. Please be aware that we are not responsible for the privacy practices of such other sites. We encourage our users to be aware when they leave our site and to read the privacy statements of each and every Web site that collects personally identifiable information. This privacy statement applies solely to information collected by this Web site.

Contact Information
If you require any more information or have any questions about our privacy policy, please feel free to contact us by email at vinoandvino@gmail.com.

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ELECTRONICS PLAYS IN MEDICAL FIELDS

• ECG • EEG • EMG • PCG • EOG • ANIMAL CELLS
ECG
Deals with the study of electrical activity of the heart muscles. The potentials originated in the human being fibres of heart muscles are added to produce the ECG waveform. Electrocardiogram is the recorded ECG wave pattern. Heart consists of four chambers namely two auricles and two ventricles. Cardiac action potential is generated by contraction and expansion of the muscle fibres.

HOW DOES IT PLAY
EEG
Deals with the recording and study of electrical activity of brain. By means of electrodes attached to the skull of the patients , the brain waves are picked up and recorded.
Electromyography (EMG)
It is the science of recording and interpreting the electrical activity of muscle’s action potential. Recording of peripheral nerve’s action potential is called ELECTRONEUROGRAPHY
Electrooculography (EOG)
It is a technique for measuring the resting potential of the retina.
the resulting signal is called the electrooculogram. The main applications are in ophthalmological diagnosis and in recording eye movements.
BIO-CHEMICAL & NON-ELECTRICAL
PARAMETER MEASUREMENT
RADIOLOGICAL EQUIPMENTS
WHAT IS ENDOSCOPY?
An endoscope is a medical device consisting of a camera mounted on a flexible tube. Small instruments can be used to take samples of suspicious tissues through the endoscope. In gastrointestinal (digestive tract) endoscopy, this device is inserted through the mouth or anus. For other areas, small incisions are made.
WHAT IS LASER?
Laser is an acronym for Light Amplification by Stimulated Emission of Radiation. Laser beam consists of high intense radiation in unique direction without spreading of its energy in other directions.

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