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Categories >> Software >> Java Related >> Java J2EE >> Core Java
 
 


 

 
 Core Java interview questions  Core Java Interview Questions (1720)
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 Java J2EE AllOther interview questions  Java J2EE AllOther Interview Questions (87)
Question
what is  the difference between cd & dvd ?
 Question Submitted By :: Guest
I also faced this Question!!     Rank Answer Posted By  
 
  Re: what is the difference between cd & dvd ?
Answer
# 1
cd stores 700 MB of data.DVD stroes 3-4 Gb of data. now new
DVD can store 40 GB of DVD
 
Is This Answer Correct ?    120 Yes 38 No
Jyoti
 
  Re: what is the difference between cd & dvd ?
Answer
# 2
CD is used to store some data, which can be voice, pictures
and typed data. DVD is used to retrive the data from the
CD and can listern the music or view Picture based on the
data availabe in the disk.
 
Is This Answer Correct ?    51 Yes 94 No
Yalla
 
 
 
  Re: what is the difference between cd & dvd ?
Answer
# 3
cd means compaq disk where as dvd means digital volatile
disk.
cd has 700 MB of memory where as dvd has 4.7 GB of memory.
 
Is This Answer Correct ?    99 Yes 33 No
B Naresh Kumar
 
  Re: what is the difference between cd & dvd ?
Answer
# 4
cd::
1) cd allows only half part of cinema.
2) cd thiner than dvd
3) cd less price then dvd.(lowest Rs-7)
4) cd means compaq disk.
5) cd has 700 MB of memory.

dvd::
1) dvd allows four cinema.
2) dvd thiker than cd.
3) dvd high price.(Rs-17)
4) dvd means digital volatile disk.
5) dvd has 4.7 GB of memory.
 
Is This Answer Correct ?    102 Yes 37 No
Jhakkas
 
  Re: what is the difference between cd & dvd ?
Answer
# 5
cd has more data compare to dvd . 
Is This Answer Correct ?    22 Yes 136 No
Pradeep Kumar
 
  Re: what is the difference between cd & dvd ?
Answer
# 6
dvd is advanced device when compare to cd. 
Is This Answer Correct ?    64 Yes 27 No
Rekha
 
  Re: what is the difference between cd & dvd ?
Answer
# 7
A dvd is invented to store more videos and music but a cd is stored mstly for pictures, sounds etc 
Is This Answer Correct ?    41 Yes 24 No
Thushananth
 
  Re: what is the difference between cd & dvd ?
Answer
# 8
cd has only one layer but for dvd has two layers 
Is This Answer Correct ?    50 Yes 29 No
Anbu
 
  Re: what is the difference between cd & dvd ?
Answer
# 9
A cd can be played by a dvd player but a dvd cant be played by a cd player.. 
Is This Answer Correct ?    74 Yes 14 No
Aman
 
  Re: what is the difference between cd & dvd ?
Answer
# 10
The wavelength of the laser is reduced(from the 780mm
infrared light used in the CD) to 625mm cos of which DVD
technology has managed to write in smaller ‘pits’ as
compared to the standard CD. This allows for a greater
amount of data per track.The tracks of DVDs are narrower
which allows more tracks per disc this again translates into
more capacity than a CD.
 
Is This Answer Correct ?    59 Yes 8 No
Srk
 

 
 
 
Other Core Java Interview Questions
 
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is this possible to create an array of 0 length? if so how? if not so why? coz we have an array in main() likw this "static void main(String [] s) then what it signifies? Hexaware 3
Difference between flush() and commit() in hibernate? Bally-Technologies 2
what are the methods of an object class?   3
explain about method overloading and method overriding with difficult examples   4
what is the need of the Ajax? iFlex 5
how to make the double-tone class ? as we have singletone class..? IBM 1
what is web.xml?and its use? CTS 7
What is the difference between DataInputStream and BufferedReader Hexagon 2
Why to give the file name same as the public class name in java?   3
There are 100 keys and values in HashMap.how to get the keys and values? IBS 1
how to make hashmap object as synchronized object? BOB-Technologies 2
what is the replacement for GOTO in java? CTS 2
 
For more Core Java Interview Questions Click Here 
 
 
 
 
 


   
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