The two elements that are frequently used for making transistors are-
Important Questions on Network and Internet Basics
Fiber optic technology is used in which among the field(s) mentioned below:
1. Endoscopy
2. Plumbing
3. Space Science
Select the correct answer using the code given below:
Consider the following statements about Digital Currency:
1. Virtual currencies and crypto-currencies are types of digital currencies.
2. Digital currencies cannot be used to buy physical goods.
3. It allows for instantaneous transactions and borderless transfer-of-ownership.
Which of the statements given above is/are true?
1. It uses light as the medium for high-speed data transmission.
2. It is a wireless technology and is several times faster than 'WiFi'.
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In which of the following areas can GPS technology be used?
1. Mobile phone operations.
2. Banking operations.
3. Controlling the power grids.
Select of the correct answer using the code below:
Satellites used for telecommunication relay are kept in a geostationary orbit. A satellite is said to be in such an orbit when:
1. The orbit is geosynchronous.
2. The orbit is circular.
3. The orbit lies in the plane of the Earth's equator.
4. The orbit is at an altitude of 22,236 km.
Select the correct answer using the codes given below:
