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- Question
What do we call a collection of two or more computers that are located within a limited distance of each other and that are connected to each other directly or indirectly?
Options- A. Inernet
- B. Interanet
- C. Local Area Network
- D. Wide Area Network
- Correct Answer
- Local Area Network
- 1. '.BAT' extension refers usually to what kind of file?
Options- A. Compressed Archive file
- B. System file
- C. Audio file
- D. Backup file Discuss
- 2. The purpose of choke in tube light is?
Options- A. To decrease the current
- B. To increase the current
- C. To decrease the voltage momentarily
- D. To increase the voltage momentarily Discuss
- 3. In the UK, what type of installation requires a fireman's switch?
Options- A. Neon Lighting
- B. High Pressure Sodium Lighting
- C. Water Features
- D. Hotel Rooms Discuss
- 4. Who developed Yahoo?
Options- A. Dennis Ritchie & Ken Thompson
- B. David Filo & Jerry Yang
- C. Vint Cerf & Robert Kahn
- D. Steve Case & Jeff Bezos Discuss
- 5. 'OS' computer abbreviation usually means?
Options- A. Order of Significance
- B. Open Software
- C. Operating System
- D. Optical Sensor Discuss
- 6. 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
- 7. 'CD' computer abbreviation usually means?
Options- A. Command Description
- B. Change Data
- C. Copy Density
- D. Compact Disc Discuss
- 8. In what year was the "@" chosen for its use in e-mail addresses?
Options- A. 1976
- B. 1972
- C. 1980
- D. 1984 Discuss
- 9. 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
- 10. 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
Technology problems
Search Results
Correct Answer: System file
Correct Answer: To increase the voltage momentarily
Correct Answer: Neon Lighting
Explanation:
Neon lighting runs at a high voltage, typically above 1000 Volts. A fireman's switch protects a fireman from receiving a shock when a water jet is sprayed onto the installation. The switches are red, and mounted in a conspicuous position. (This is specified by IEE Regulations (Europe), SANS (South Africa), UK Electricity regulations and many Asian countries. I am unable to confirm other countries' requirements, so feel free to let me know.)
Correct Answer: David Filo & Jerry Yang
Correct Answer: Operating System
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: Compact Disc
Correct Answer: 1972
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: 70-100
Explanation:
About the same as as the most popular light bulb size.
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