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- Question
The most common format for a home video recorder is VHS. VHS stands for...?
Options- A. Video Home System
- B. Very high speed
- C. Video horizontal standard
- D. Voltage house standard
- Correct Answer
- Video Home System
ExplanationJVC (Japan Victor Corporation) and Matsushita (Panasonic) developed the VHS format to compete with Sony which developed the Beta format as the first home video cassette recorder. VHS originally stood for Vertical Helical Scan, but now means Video Home System. - 1. What do we call a network whose elements may be separated by some distance? It usually involves two or more small networks and dedicated high-speed telephone lines.
Options- A. URL (Universal Resource Locator)
- B. LAN (Local Area Network)
- C. WAN (Wide Area Network)
- D. World Wide Web Discuss
- 2. What frequency range is the High Frequency band?
Options- A. 100 kHz
- B. 1 GHz
- C. 30 to 300 MHz
- D. 3 to 30 MHz Discuss
- 3. '.MOV' extension refers usually to what kind of file?
Options- A. Image file
- B. Animation/movie file
- C. Audio file
- D. MS Office document Discuss
- 4. In which decade was the SPICE simulator introduced?
Options- A. 1950s
- B. 1960s
- C. 1970s
- D. 1980s Discuss
- 5. Who co-founded Hotmail in 1996 and then sold the company to Microsoft?
Options- A. Shawn Fanning
- B. Ada Byron Lovelace
- C. Sabeer Bhatia
- D. Ray Tomlinson Discuss
- 6. What is the term to ask the computer to put information in order numerically or alphabetically?
Options- A. Crop
- B. Report
- C. Record
- D. Sort Discuss
- 7. The input used by an antenna or cable to a TV set uses frequencies called...?
Options- A. IF
- B. RF
- C. AF
- D. SAP Discuss
- 8. What are three types of lasers?
Options- A. Gas, metal vapor, rock
- B. Pointer, diode, CD
- C. Diode, inverted, pointer
- D. Gas, solid state, diode Discuss
- 9. In which decade was the ARRL founded?
Options- A. 1940s
- B. 1930s
- C. 1920s
- D. 1910s Discuss
- 10. In the United States the television broadcast standard is...?
Options- A. PAL
- B. NTSC
- C. SECAM
- D. RGB Discuss
Technology problems
Search Results
Correct Answer: WAN (Wide Area Network)
Correct Answer: 3 to 30 MHz
Explanation:
The HF band is based on frequencies 3 to 30 Mhz. AM radio stations are in the HF band but normally are stated in kilohertz.
Correct Answer: Animation/movie file
Correct Answer: 1970s
Explanation:
SPICE (Simulation Program with Integrated Circuit Emphasis) was introduced in May 1972 by the University of Berkeley, California.
Correct Answer: Sabeer Bhatia
Correct Answer: Sort
Correct Answer: RF
Explanation:
RF is radio frequency. IF is intermediate frequency used inside the TV for processing. AF is audio frequency. SAP is second audio program which may have another language or other soundtrack as an option to the main soundtrack.
Correct Answer: Gas, solid state, diode
Explanation:
The first laser was a solid state laser. Solid state refers to any solid material like a glass rod. Diode lasers are very common because they are used to read compact disks and digital video disks in computers, CD players, and DVD players. Before diode lasers, the most common type of laser may have been the helium-neon laser, in which the active medium is a combination of the two gasses helium and neon.
Correct Answer: 1910s
Explanation:
On April 6, 1914, Hiram Percy Maxim proposed the formation of the American Radio Relay League.
Correct Answer: NTSC
Explanation:
PAL and SECAM are standards used in other countries. RGB stands for red, green, and blue - the colors of light used to create an image in a color tv set and is often used as a format name for computer monitors.
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