CBSE Class 12 Computer Science Compartment Question Paper 2013 with Answer Key (July 16, Code - 91)

CBSE CLASS XII Questions

• 1.

  Two heaters rated as \((P_1,V)\) and \((P_2,V)\) are connected in series across a dc source of \(V/2\) volt. The power consumed by the combination will be –

  • \((P_1+P_2)\)
    
  • \(\dfrac{P_1+P_2}{2}\)
    
  • \(\dfrac{P_1P_2}{2(P_1+P_2)}\)
    
  • \(\dfrac{P_1P_2}{4(P_1+P_2)}\)
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• 2.

  Assertion (A) : The mass of a nucleus is less than the sum of the masses of the constituent nucleons. Reason (R) : Energy is absorbed when the nucleons are bound together to form a nucleus.

  • Both Assertion (A) and Reason (R) are true and Reason (R) is the correct explanation of the Assertion (A).
    
  • Both Assertion (A) and Reason (R) are true, but Reason (R) is not the correct explanation of the Assertion (A).
    
  • Assertion (A) is true, but Reason (R) is false.
    
  • Both Assertion (A) and Reason (R) are false.
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• 3.

  The Internet of Things (IoT) refers to :
  

  • A platform used mainly for online communication
    
  • Devices embedded with software, sensors, and network connectivity
    
  • A system designed for online data storage and backup
    
  • A language created for programming and software design
    
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• 4.

  The new Biofuel Policy, announced by the Government of India on 10th August, 2018, focuses on
  

  • Promoting the use of petrol and diesel in transportation
    
  • Encouraging the use of biomass to improve ethanol availability
    
  • Limiting ethanol production and reducing biodiesel blending
    
  • Promoting imported fuels for industrial energy consumption
    
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• 5.

  Which of the following encourages development and implementation of open standards for geospatial content and services?

  • Web GIS
    
  • Mobile GIS
    
  • Enterprise GIS
    
  • Open GIS
    
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• 6.

  Which of the following statement is not true for spaghetti data structure?

  • It is the most simple data structure.
    
  • It is efficient for CADD database.
    
  • All entitities are spatially defined, without any spatial relationships.
    
  • It divides the entire area into regular grids.
    
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