Q.21)-In the United States the television broadcast standard is...?
- PAL
- NTSC
- SECAM
- RGB
Q.22)-The transformer that develops the high voltage in a home television is commonly called a...?
- Tesla coil
- Flyback
- Yoke
- Van de Graaf
Q.23)-Which consists of two plates separated by a dielectric and can store a charge?
- Inductor
- Capacitor
- Transistor
- Relay
Q.24)-.JPG' extension refers usually to what kind of file?
- System file
- Animation/movie file
- MS Encarta document
- Image file
Q.25)-In what year was the "@" chosen for its use in e-mail addresses?
- 1976
- 1972
- 1980
- 1984
Q.26)-.TXT' extension refers usually to what kind of file?
- Text File
- Image file
- Audio file
- Adobe Acrobat file
Q.27)-The NTSC (National Television Standards Committee) is also used in the country of...?
- Japan
- France
- Germany
- England
Q.28)-Who built the world's first binary digit computer: Z1...?
- Konrad Zuse
- Ken Thompson
- Alan Turing
- George Boole
Q.29)-Compact discs, (according to the original CD specifications) hold how many minutes of music?
- 74 mins
- 56 mins
- 60 mins
- 90 mins
Q.30)-The average power (in watts) used by a 20 to 25 inch home color television is...?
- 70-100
- 25-50
- 500-800
- Over 1000