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Electronics Communications Interview Questions
Questions Answers Views Company eMail

Define mean life of a carrier.

1182

Define drift current in a semiconductor.

1131

What is op-amp?

1207

Define what do you understand by collector reverse saturation? In which configuration does it have a greater value?

1479

Differentiate between intrinsic semiconductors and intrinsic semiconductors?

1099

Why cc configuration is called a voltage buffer? Define what is other name?

1192

What is a semi conductor?

1095

Why emitter is always forward biased?

1247

Why collector is always reverse-biased w.r.t base?

1228

What is graticule?

1119

What is space charge width?

1092

What happens to the series current , load current and zener current when the dc input voltage of a zener regulator increases?

1225

For the same order of doping, why does n-type semiconductor exhibit larger conductivity than p-type semiconductor?

1226

Why ce configuration is most popular in amplifier circuits?

1211

What is schottky diode?

1049


Post New Electronics Communications Questions

Un-Answered Questions { Electronics Communications }

Define a hole in a semiconductor.

1106


How can I make calculation to Install level transmitter (DP) for open tank and close tank

2300


Define voltage controller?

1079


What is an excess-3 code?

1187


hi friends.any one tell me pattern for mt exam for steel plant..plz plz plz..

1894


what is serial communication??

2063


y u looking for a job in it field sinc u r a ece graduate.

2551


Define what do you understand by collector reverse saturation? In which configuration does it have a greater value?

1479


What is cmr?

1220


Explain various types of antenna diversity.

4358


what is the significance of transistor number (exam. BC557,CIL188 etc) ?

2460


Alcatel&Lucent Bts

2198


Power mosfet is a voltage controlled device. Why?

1185


How many 2:1 multiplexers do we need to make a 2 input xor gate?

1060


oracle 1st round What are the different types of joins? Explain normalization with examples. What cursor type do you use to retrieve multiple recordsets? Diffrence between a "where" clause and a "having" clause What is the difference between "procedure" and "function"? How will you copy the structure of a table without copying the data? How to find out the database name from SQL*PLUS command prompt? Tadeoffs with having indexes Talk about "Exception Handling" in PL/SQL? What is the diference between "NULL in C" and "NULL in Oracle?" What is Pro*C? What is OCI? Give some examples of Analytical functions. What is the difference between "translate" and "replace"? What is DYNAMIC SQL method 4? How to remove duplicate records from a table? What is the use of ANALYZing the tables? How to run SQL script from a Unix Shell? What is a "transaction"? Why are they necessary? Explain Normalizationa dn Denormalization with examples. When do you get contraint violtaion? What are the types of constraints? How to convert RAW datatype into TEXT? Difference - Primary Key and Aggregate Key How functional dependency is related to database table design? What is a "trigger"? Why can a "group by" or "order by" clause be expensive to process? What are "HINTS"? What is "index covering" of a query? What is a VIEW? How to get script for a view? What are the Large object types suported by Oracle? What is SQL*Loader? Difference between "VARCHAR" and "VARCHAR2" datatypes. What is the difference among "dropping a table", "truncating a table" and "deleting all records" from a table. Difference between "ORACLE" and "MICROSOFT ACCESS" databases. How to create a database link ? PL/SQL interview questions... Normalize many to many relationships Difference - Equijoin and union What is TEMP table space in Oracle, what is rollback segment How do we find row chaining? Pattern matching operators Features in oracle 9i and 10g Why truncating table is faster than delete copy commit syntax Convert Zulu time zone to US Eastern time zone Difference - union and union all Difference - Group by, Order by clause Which Ranking functions are available? Difference - Decode, NVL, NVL2 Tradeoffs of using partitioned tables How can we call stored procedure in SQL query What are the restrictions on calling PL/SQL from SQL Why EXISTS is preferable to distinct Give 2 examples of avoiding unnecessary parsing.

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