Friday, 23 September 2011

computer tq


1)    The sampling rate, (how many samples per second are stored) for a CD is...?
Ans: 44.1 kHz 
2)    Compact discs, (according to the original CD specifications) hold how many minutes of music?
Ans: 74 mins 
3)    The base 10 (or decimal - our normal way of counting) number 65535 is represented in hexadecimal as...?
Ans:  0xFFFF 
4)     Where is the headquarters of Microsoft located?
Ans: Santa Clara, California 
5)     In what year was the "@" chosen for its use in e-mail addresses?
Ans: 1972 
6)    What was the first ARPANET message?
Ans: "lo" 
7)     Where is the headquarters of Intel located?
 Ans: Santa Clara, California 
8)    In which year was MIDI introduced?( Musical Instrument Digital Interface)
Ans: 1983 
9)    '.BAK' extension refers usually to what kind of file?
Ans: Backup file 
10)           '.MPG' extension refers usually to what kind of file?
Ans :  Animation/movie file 
11)           '.INI' extension refers usually to what kind of file?
Ans: System file 
12)           '.BAT' extension refers usually to what kind of file?
Ans: Compressed Archive file 
13)           '.JPG' extension refers usually to what kind of file?
Ans: Image file
14)           '.MOV' extension refers usually to what kind of file?
Ans: Animation/movie file 
15)           '.TXT' extension refers usually to what kind of file?
Ans: Text File 
16)           '.TMP' extension refers usually to what kind of file?
Ans: Temporary file 
17)           Who created Pretty Good Privacy (PGP)?
Ans: Paul Zimmerman 
18)           Who co-founded Hotmail in 1996 and then sold the company to        Microsoft?
Ans: Sabeer Bhatia 
19)           Who co-created the UNIX operating system in 1969 with Dennis Ritchie?
Ans: Ken Thompson 
20)           Who is largely responsible for breaking the German Enigma codes, created    a test that provided a foundation for artificial intelligence?
Ans: Alan Turing 

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