Science and Technology › Emerging TechXIT

The terms ‘Wanna Cry, Petya and Eternal Blue’ sometimes mentioned in the news recently are related to

‘3D printing’ has applications in which of the following?

1.Preparation of confectionery items
2.Manufacture of bionic ears
3.Automotive industry
4.Reconstructive surgeries
5.Data processing technologies
Select the correct answer using the code given below :

In addition to fingerprint scanning, which of the following can be used in the biometric identification of a person?
1. Iris scanning
2. Retinal scanning
3. Voice recognition
Select the correct answer using the code given below:

A new optical disc format known as the Blu-ray disc is becoming popular. In what way is it different from the traditional DVD?
1. DVD supports standard definition video while Blu-ray disc supports high-definition video.
2. Compared to a DVD, the Blu-ray disc format has several times more storage capacity.
3. Thickness of Blu-ray discs is 2.4 mm while that of DVD is 1.2 mm.