Electronics Interview Preparation Guide
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Electronics Interview Questions and Answers will guide now that Electronics is a branch of science and technology that deals with the flow of electrons through nonmetallic conductors, mainly semiconductors such as silicon, basic example is computer and mobile. It is distinct from electrical science and technology, which deal with the flow of electrons and other charge carriers through metal conductors such as copper. Learn more by Electronics Interview Questions and Answers Guide.

26 Electronics Questions and Answers:

1 :: 6dB pad introduces how much attenuation?

If you are talking about power, a 3db gain cuts the signal in half and another 3db gain, for a total of 6 cuts the signal in half again for a total attenuation of 75%.

2 :: How to check the Mobile Battery charge status?

You can tell the state of charge on a 9V battery by touching both poles across your tongue. If it tingles, the battery still has life. If not, throw it away.

3 :: What is the exactly meaning of manual testing?

Exact meaning of Manual testing is,testing the software or any application by manually without use of automation tools.

5 :: Explain negative test cases for testing
mobile phones?

Negative test cases for testing mobile phones:

1.removing the SIM card and made a call
2.by invalid phone number
3.made a call at which there is no tower signal
4.Made a call after removing the battery or at no power in battery and also we can add some more points...

6 :: What is the difference between TDMA and FDMA?

Time division multiple access (TDMA) is a channel access method for shared medium (usually radio) networks. It allows several users to share the same frequency channel by dividing the signal into different time slots. The users transmit in rapid succession, one after the other, each using his own time slot. This allows multiple stations to
share the same transmission medium (e.g. radio frequency channel) while using only a part of its channel capacity. TDMA is used in the digital 2G cellular systems such as Global System for Mobile Communications (GSM), IS-136, Personal Digital Cellular (PDC) and iDEN, and in the Digital Enhanced Cordless Telecommunications (DECT)
standard for portable phones. It is also used extensively in satellite systems, and combat-net radio systems.

Frequency Division Multiple Access or FDMA is a channel access method used in multiple-access protocols as a channelization protocol. FDMA gives users an individual allocation of one or several frequency bands, allowing them to utilize the allocated radio spectrum without interfering
with each other. Multiple Access systems coordinate access between multiple users. The users may also share access via different methods such TDMA, CDMA, or SDMA. These protocols
are utilized differently, at different levels of the theoretical OSI model.

7 :: What will be the common test case for SMS and Mp3 player applications?

There might be many common test cases: Here are 2
1. For SMS: It uses UDP protocol
2. for MP3: Audio streaming also uses UDP protocol

1. for SMS: For entering text for SMS, you need to open Text editor.
2. for MP3: For entering/editing play list names, text editor should be opened.
So, the test cases written for text editor can be used for both applications.

8 :: How many memory locations can be addressed by a microprocessor with 14 address lines?

no of memory locations that can be addressed is 2 to the power of no. of address lines i.e. 2 power 14

9 :: Which type of architecture 8085 has?

CISC Architecture

10 :: How do you make a memory card of mobile phone?

A memory chip stores bits and mounted in a card with electrical contacts so a computer or camera can send data to be stored. There is not much more to it than that.