Daily GS Foundation MCQs - SthaapnaIAS Previous Year QuestionsScience and technology Previous Year QuestionSthaapana - May 2019Sthaapana - May 2019 - Week 3

IAS Previous Year Science & Tech Questions | Lecture 11 | Information Technology

Q.1) Consider the following: [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

Q.2) What is the difference between Blue-tooth and Wi-Fi devices? [2011 – I]

(a) Bluetooth uses 2.4 GHz radio frequency band, whereas Wi-Fi can use 2.4 GHz or 5 GHz 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

Q.3) Which among the following do/does not belong/ belongs to the GSM family of wireless technologies? [2010]

(a) EDGE

(b) LTE

(c) DSL

(d) Both EDGE and LTE

Q.4) With reference to ‘Near Field Communication (NFC) Technology’, which of the following statements is/are correct? [2015-I]

  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 metre 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

Q.5) WiMAX is related to which one of the following [2009]

(a) Biotechnology

(b) Space technology

(c) Missile technology

(d) Communication technology

Q.6) Consider the following statements: [2004]

  1. Smart card is a plastic card with an embedded microchip.
  2. Digital technology is primarily used with new physical communication medium such a ssatellite and fibre optics transmission.
  3. A digital library is a collection of documents in an organized electronic form available on the internet only.

Which of the statements given above is/are correct?

(a) 3 only

(b) 1 and 2

(c) 2 and 3

(d) 1, 2 and 3

Q.7) With reference to ‘Li-Fi’, recently in the news, which of the following statements is/are correct? [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 ‘WiFi’.

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

Q.8) What is “Virtual Private Network” ? [2011 – I]

(a) It is a private computer network of an organization where the remote users can transmit encrypted information through the server of the organization.

(b) It is a computer network across a public internet that provides users access to their organization’s

network while maintaining the security of the information transmitted.

(c) It is a computer network in which users can access a shared pool of computing resources through a service provider.

(d) None of the statements (a), (b) and (c) given above is correct description of Virtual Private Network.

Q.9) In which of the following areas can GPS technology be used? (2018)

  1. Mobile phone operations
  2. Banking operations
  3. Controlling the power grids

Select the correct answer using the code given below:

(a) 1 only

(b) 2 and 3 only

(c) 1 and 3 only

(d) 1, 2 and 3

Q.10) When the alarm of your smartphone rings in the morning, you wake up and tap it to stop the alarm which causes your geyser to be switched on automatically. The smart min-or in your bathroom shows the day’s weather and also indicates the level of water in your overhead tank. After you take some groceries from your refrigerator for making breakfast, it recognises the shortage of stock in it and places an order for the supply of fresh grocery items. When you step out of your house and lock the door, all lights, fans, geysers and AC machines get switched off automatically. On your way to office, your car warns you about traffic congestion ahead and suggests an alternative route, and if you are late for a meeting, it sends a- message to your office accordingly. In the context of emerging communication technologies, which one of the following term” best applies to the above scenario? ( Pre 18 Set-D)

a.Border Gateway Protocol

b.Internet of Things

c.Internet Protocol

d.Virtual Private Network

Q.11) The memory of a computer is commonly expressed in terms of kilobytes or megabytes. A byte is made up of: [2000]

(a) eight binary digits

(b) eight decimal digits

(c) two binary digits

(d) two decimal digits

Q.12) Which one of the following pairs is not correctly matched? [2007]

(a) William Dickson : Motion Picture film

(b) Charles Babbage : Programmable Computer

(c) Nicholas Stem : Construction technology

(d) Brian Greene : String theory

To do yourself

Q.13) In India, it is legally mandatory for which of the following to report on cyber security incidents? [2016

  1. Service providers
  2. Data centres
  3. Body corporate

Select the correct answer using the code given below:

(a) 1 only

(b) 1 and 2 only

(c) 3 only

(d) 1, 2 and 3

To do Yourself

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