CDS Science & Technology MCQ Questions

Which one of the following is not a characteristic of flash memory ?

Which one among the following generation computers used microprocessors in their hardware technology?

Which of the following computer languages is/are assembly language(s)?

1. Python
2. Java
3. x86
4. MIPS
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In MP3 compression scheme, 60 minutes of music can be stored in about :

Code Division Multiple Access (CDMA) technology is primarily used in :
(a) Mobile phone communication
(b) X-ray
(c) Artificial Intelligence
(d) Colour Xerox

Which one of the following statements is not correct with regard to the UNIX operating system ?

Consider the following statements :

1. Packaged foods are purged with nitrogen gas in order to prevent their oxidation.

2. Tooth decay starts when pH of the mouth is lower than 5.5.

3. The reactivity of metals decreases in the order : Mg > Fe > Zn.

Which of the statements given above is/are not correct ?

Which of the following pairs of theories about origin of the Earth and their propounders is/are correctly matched ?

1. Gaseous Hypothesis : Kant

2. Binary Star Hypothesis : Russell

3. Planetesimal Hypothesis : Chamberlin

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Consider the following statements about innovation and research and development in India :

(1) India's rank in Global Innovation Index reported by World Intellectual Property Organization (WIPO) has improved significantly between 2015 and 2024.

(2) Funding of research and development is sourced primarily from private sector entities and is sectorally concentrated in pharmaceuticals and information technology.

Which of the statements given above is/are correct ?

Which language uses the symbolic representation of machine codes needed to program a particular processor or processor family ?

Which one of the following is not a logical operator ?

Which among the following are the purposes of deploying a Firewall ?

(1) Examine each packet arriving from Internet

(2) Prevent unauthorised access

(3) Block suspicious activity

(4) Interconnect telephones

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Which of the following statements about India's military arsenal is/are correct ?

(1) HAMMER is a weapon system built for the Rafale fighter aircraft.

(2) SCALP cruise missile is also known as Storm Shadow.

(3) BrahMos missiles are built under a joint venture between India and Russia.

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Arrange the following permanent gases present in the atmosphere in ascending order :

(1) Helium

(2) Hydrogen

(3) Neon

(4) Xenon

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