What is the technology used in a compact disc?

Report

Report an issue

Name

Email

Message

Submit

Cancel

RRB Non Technical Exam (Secunderabad) 2016 click here to view all questions

What is the technology used in a compact disc?

AElectrical

BLaser

CElectro magnetic

DAeronautical

rihad ? Jan 10 '2020 at 14:20

Correct answer is: Laser

Explanation:

The compact disc is an evolution of LaserDisc technology, where a focused laser beam is used that enables the high information density required for high-quality digital audio signals.

View Answer

Discuss

The first Indian pilotless rocket is-

Report

Report an issue

Name

Email

Message

Submit

Cancel

RRB TC CC Exam (Bangalore) 2006 click here to view all questions

The first Indian pilotless rocket is-

ALuna - 9

BApollo

CLuna - 10

DLakshya

Sachin Khr ? Nov 17 '2016 at 20:32

Answer is : Lakshya 
Lakshya ("target" in Sanskrit) is an Indian remotely piloted high speed target drone system developed by the Aeronautical Development Establishment (ADE) of DRDO.

Reference:https://en.wikipedia.org/wiki/DRDO_Lakshya

View Answer

Discuss

Apsara is a-

Report

Report an issue

Name

Email

Message

Submit

Cancel

RRB TC CC Exam (Bangalore) 2006 click here to view all questions

Apsara is a-

ANuclear reactor

BNuclear submarine

CTank carrier submarine

DMountain peak

Sachin Khr ? Nov 17 '2016 at 20:30

Answer is : Nuclear reactor
India's First Nuclear Reactor was Apsara. It was also the first nuclear reactor in Asia.

View Answer

Discuss

'Knot' is used in which of the following?

Report

Report an issue

Name

Email

Message

Submit

Cancel

RRB TC CC Exam (Patna) 2006 click here to view all questions

Knot' is used in which of the following?

ASpeed

BEnergy

CAir

DElectricity

No answer description available for this question. Let us discuss.

View Answer

Discuss

Which of the following words is not related to the functioning of Internet?

Report

Report an issue

Name

Email

Message

Submit

Cancel

RRB TA Exam (Malda) 2008 click here to view all questions

Which of the following words is not related to the functioning of Internet?

Awww

Bhttp

Ce-mail

DMS Word

No answer description available for this question. Let us discuss.

View Answer

Discuss