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- Question
Radio waves sent out by a radio stations are reflected by
Options- A. troposphere
- B. stratosphere
- C. mesosphere
- D. ionosphere
- Correct Answer
- ionosphere
ExplanationThis is a layer of atmosphere about 60 to 70 km above the earth and extends to about 400km. It contains ionised particles which can reflect radio waves making radio communication round the world possible.
- 1. Another name for a computer chip is ...
Options- A. Execute
- B. Micro chip
- C. Microprocessor
- D. Select Discuss
- 2. What is the length of each stump in the cricket?
Options- A. 35 inches
- B. 22 inches
- C. 28 inches
- D. 33 inches Discuss
- 3. Which city is known as 'Electronic City of India'?
Options- A. Mumbai
- B. Hyderabad
- C. Guragon
- D. Bangalore Discuss
- 4. The various types of plate convergence is
- oceanic-oceanic convergence
- oceanic-continental convergence
- continental-continental convergence
Options- A. I, II
- B. II, III
- C. I, III
- D. All of the above Discuss
- 5. '.TXT' extension refers usually to what kind of file?
Options- A. Text File
- B. Image file
- C. Audio file
- D. Adobe Acrobat file Discuss
- 6. Euclid was
Options- A. Greek mathematician
- B. Contributor to the use of deductive principles of logic as the basis of geometry
- C. Propounded the geometrical theorems
- D. All of the above Discuss
- 7. In 1983, which person was the first to offer a definition of the term 'computer virus'?
Options- A. McAfee
- B. Smith
- C. Cohen
- D. Norton Discuss
- 8. Resurgent India Bonds were issued in US dollar, Pound Sterling and
Options- A. Japanese Yen
- B. Deutsche Mark
- C. Euro
- D. French Franc Discuss
- 9. The highest first wicket partnership in Test Match Cricket was between two Indians: one is V.Mankad, who is the other?
Options- A. Subhash Gupte
- B. Sunil Gavaskar
- C. Pankaj Roy
- D. Chetan Chauhan Discuss
- 10. The Economic and Social Commission for Asia and Pacific (ESCAP) is located at
Options- A. Manila
- B. Singapore
- C. Kuala lumpur
- D. Bangkok Discuss
More questions
Correct Answer: Micro chip
Correct Answer: 28 inches
Correct Answer: Bangalore
Correct Answer: All of the above
Correct Answer: Text File
Correct Answer: All of the above
Correct Answer: Cohen
Explanation:
1983 Fred Cohen, while working on his dissertation, formally defines a computer virus as 'a computer program that can affect other computer programs by modifying them in such a way as to include a (possibly evolved)copy of itself.'
Correct Answer: Deutsche Mark
Correct Answer: Pankaj Roy
Correct Answer: Bangkok
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