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- Question
'.JPG' extension refers usually to what kind of file?
Options- A. System file
- B. Animation/movie file
- C. MS Encarta document
- D. Image file
- Correct Answer
- Image file
- 1. The average power (in watts) used by a 20 to 25 inch home color television is...?
Options- A. 70-100
- B. 25-50
- C. 500-800
- D. Over 1000 Discuss
- 2. What was the active medium used in the first working laser ever constructed?
Options- A. A diamond block
- B. Helium-neon gas
- C. A ruby rod
- D. Carbon dioxide gas Discuss
- 3. In what year was the "@" chosen for its use in e-mail addresses?
Options- A. 1976
- B. 1972
- C. 1980
- D. 1984 Discuss
- 4. 'CD' computer abbreviation usually means?
Options- A. Command Description
- B. Change Data
- C. Copy Density
- D. Compact Disc Discuss
- 5. Which is NOT an acceptable method of distributing small power outlets throughout an open plan office area?
Options- A. Power Poles
- B. Power Skirting
- C. Flush Floor Ducting
- D. Extension Cords Discuss
- 6. The first step to getting output from a laser is to excite an active medium. What is this process called?
Options- A. Pumping
- B. Exciting
- C. Priming
- D. Raising Discuss
- 7. 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
- 8. In which decade was the SPICE simulator introduced?
Options- A. 1950s
- B. 1960s
- C. 1970s
- D. 1980s Discuss
- 9. '.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
- 10. 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
Technology problems
Search Results
Correct Answer: 70-100
Explanation:
About the same as as the most popular light bulb size.
Correct Answer: A ruby rod
Explanation:
Theodore Maiman built the first working laser using a ruby rod while working at Hughes Research Laboratories in Malibu, California. It lased for the first time on May 16, 1960.
Correct Answer: 1972
Correct Answer: Compact Disc
Correct Answer: Extension Cords
Explanation:
Extension cords can be a tripping hazard, and can be easily damaged, causing an unsafe situation. There are many ways of safely getting power to each work place, where wiring is protected and concealed.
Correct Answer: Pumping
Explanation:
A collection of atoms or molecules that can be excited to a higher energy state is called an active medium. Before lasing can occur, the active media is "pumped". The process of raising the atoms in the active media from a lower energy state to a higher state is like pumping water up from a well.
Correct Answer: Sabeer Bhatia
Correct Answer: 1970s
Explanation:
SPICE (Simulation Program with Integrated Circuit Emphasis) was introduced in May 1972 by the University of Berkeley, California.
Correct Answer: Animation/movie file
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.
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