Target 2018 UPSC – Science & Technology Current Affairs

Table of Contents

Technological Aspects of Information & Communication Technology (ICT) with Mobile Generation

1. layer in the Earth’s atmosphere called Ionosphere facilitates
radio communication. Why? [UPSC (Pre)  – 2011]
1. The presence of ozone causes the reflection of radio waves to Earth.
2. Radio waves have a very long wavelength.
Which of the statement(s) given above is/are correct?
(a) 1 only        (b) 2 only
(c) Both 1 and 2 (d) Neither 1 nor 2
2. Which among the following do/does not belong/belongs to the GSM family
of wireless technologies?[UPSC (Pre)  – 2010]
(a) EDGE (b) LTE
(c) DSL (d) Both EDGE and LTE

Internet, Different types of Network, International

Telecommunication Union (ITU), e-Governance

3. ‘SWAYAM’, an initiative of the Government of  India, aims at [UPSC (Pre)—2016]
(a) Promoting Self Helps Groups in rural areas
(b)  Providing financial and technical assistance to  young start-up entrepreneurs
(c)  Promoting the education and health of adolescent girls.
(d)  Providing affordable and quality education to the citizens for free.
4. Regarding Digi Locker’, sometimes seen in the news, which of the
following statements is/are correct? [UPSC (Pre)  – 2016]
1. It is a digital locker system offered by the Government under Digital India  Programme.
2. It allows you to access your e-documents irrespective of your physical location.
Select the correct answer using the code given below:
(a) 1 only (b) 2 only
(c) Both 1 and 2 (d) Neither 1 nor 2
5. With reference to ‘Li-Fi, recently in the news, which of the following statements
is/are correct? [UPSC (Pre)  – 2016]
1. It uses light as the medium for high-speed data transmission.
2. It is a wireless technology and is several times faster than ‘Wi-Fi’.
Select the correct answer using the code given below:
(a) 1 only (b) 2 only
(c) Both 1 and 2 (d) Neither 1 nor 2
6. With reference to ‘Near Field Communication (NFC) Technology’,
which of the following statements is/are correct? [UPSC (Pre)  – 2015]
1. It is a contactless communication technology that uses  electromagnetic radio fields.
2. NFC is designed for use by devices which can be at a distance of  even a meter from each other.
3. NFC can use encryption when sending sensitive information.
Select the correct answer using the code given below:
(a) 1 and 2 only (b) 3 only
(c) 1 and 3 only (d) 1, 2 and 3
7.What is the difference between Bluetooth and Wi-Fi devices?[UPSC (Pre)  – 2011]
(a) Bluetooth uses 2.4 GHz radio frequency band, whereas  Wi-Fi can use 2.4 GHz or 5GHz frequency band.
(b) Bluetooth is used for Wireless Local Area Networks, (WLAN) only,
whereas Wi-Fi is used for Wireless Wide Area Networks (WWAN) only.
(c) When information is transmitted between two devices using  Bluetooth technology,
the devices have to be in the line of sight of  each other, but when Wi-Fi technology is used, the devices need not  be in the line of sight of each other.
(d) The statements (a) and (b) given
above are correct in this context.
8. Consider the following:   [UPSC (Pre)  – 2010]
1. Bluetooth device 2. Cordless phone
3. Microwave oven 4. Wi-Fi device
Which of the above can operate between 2.4 and 2.5 GHz range of radio frequency band?
(a) 1 and 2 only (b) 3 and 4 only
(c) 1, 2 and 4 only (d) 1, 2, 3 and 4
9. WiMAX is related to which one of the following?  [UPSC (Pre)  – 2009]
(a) Biotechnology
(b) Space technplogy
(c) Missile technology
(d) Communication technology

Spectrum Policy, Broadband Policy and different recent approaches

used under Information & Communication Technology and

cyber security with different recent issues in India

10. In India, it is Legally mandatory for which of the following to report on cyber security

incidents ? [UPSC (Pre) 2017]
1. Service Providers
2. Data Centres
3. Body corporates
Select the correct answer using the code given below:
(a) 1 only (b) 1 and 2 only
(c) 3only (d) 1, 2 and 3

11. ‘Project Loon’, sometimes seen in the news, is related to [UPSC (Pre)  – 2016]
(a) Waste management technology
(b) Wireless communication technology
(c) Solar power production technology
(d) Water conservation technology
12. In addition to fingerprint scanning, which of the following can be used
in the biometric identification of a person? [UPSC (Pre)  – 2014]
1. Iris scanning 2. Retinal scanning
3. Voice recognition
Select the correct answer using the code given below.
(a) 1 only       (b) 2 and 3 only
(c) 1and 3 only (d) 1, 2 and 3