Answer / chandra shekhar godiwal

Pulse code modulation is a transmission technique for signals. In this analog signal converts into pulses with quantization. Then after its modulated with line coding and then transmitted.

Answer / ashish kashyap

PCM - Pulse Code Modulation is a Digital modulation
technique which is used in analog to digital converters.

how to determine success

0 Answers  

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Explain when a sample of germanium and silicon having same impurity density are kept at room temperature then resistivity of silicon will be higher than that of germanium, why?

0 Answers  

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why clock frequency of microcontroller 8051 is chosen as 11.0592 MHZ?

5 Answers   Prolific,

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Hi, I am called for interview for UIIC's Administrative officer(IT, Hardware, Networking), What are the questions generally asked in IT administrative officer job interviews. Please help me ASAP, my interview is on 24th july 09.

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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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why do you want to join in tata consultancy services?

22 Answers   IBM, TCH, TCS,

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What are the different types of power mosfet?

0 Answers  

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What is equalisation? Why do we need it?

1 Answers  

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what is antenna?

21 Answers   Idea,

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what is the difference between the voltage of 5 volts capacitor and and 5 volts battery?

13 Answers   Prithvi, SRM, TCS,

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convert 21 kva into kw

2 Answers  

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what are the applications of an inverting amplifier?

0 Answers  

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