3D Printing , Computers - GS questions based on daily current affairs

1)   Which of the following statements is/are correct about 3-D Printing?

1. 3D printing is based on methods of applying a 2D image on a 3D surface
2. The 3D printer can print with anything that can be dispensed from a syringe as liquid or paste.

a. Only 1
b. Only 2
c. Both
d. None
Answer  Explanation 

ANSWER: Both

Explanation:
- 3D printing is based on methods of applying a 2D image on a 3D surface, a system for generating three-dimensional objects by creating a cross-sectional pattern of the object to be formed.
- 3D scanning is the process of analyzing and collecting data of real object; its shape and appearance and builds digital, three dimensional models.
- 3D Printing employs additive layer processes, where successive layers of materials are laid down in different shapes.
2)   Which of the following statements is/ are correct?

1. The Food and Drug Administration has approved the first prescription drug made through 3-D printing.
2. It will treat the seizures which are changes in the brain's electrical activity.

a. Only 1
b. Only 2
c. Both
d. None
Answer  Explanation 

ANSWER: Both

Explanation:
Seizures are changes in the brain's electrical activity. This can cause dramatic, noticeable symptoms or even no symptoms at all. The symptoms of a severe seizure are often widely recognized, including violent shaking and loss of control. Seizures are caused by Epilepsy or from too much alcohol, heroin, cocaine, ecstasy, antidepressants and many others.
3)   What is white-fi technology?


a. Broadcast Internet using optical fiber
b. Broadcast Internet using helium balloon
c. Broadcast Internet using unused television spectrum.
d. Broadcast Internet using solar drones
Answer  Explanation 

ANSWER: Broadcast Internet using unused television spectrum.

Explanation:
No explanation is available for this question!

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