BCS456A – Green IT & Sustainability

Model Multiple Choice Questions (MCQs) with Answers

📌 Note: Please verify all answers

  1. Cloud computing is a model of enabling a:
    a) Shared pool of computing resources on demand ✅
    b) Unshared pool of computing resources
    c) Standalone systems
    d) None of the above
  2. Cloud computing framework consists of:
    a) Platform as a Service (PaaS)
    b) Infrastructure as a Service (IaaS)
    c) Software as a Service (SaaS)
    d) All of these ✅
  3. The term environmental sustainability refers to:
    a) Non-preserve natural
    b) Preserve natural environment ✅
    c) Distributing the natural environment
    d) None of these
  4. Which of the following will not come under quality of service (QoS)?
    a) Reliability
    b) Consistency
    c) Inconsistency ✅
    d) Correctness
  5. Comet Cloud’s master/worker programming model includes:
    a) Master
    b) Worker
    c) Client
    d) All of these ✅
  6. Global Forest Watch is an online mapping initiative by:
    a) Microsoft
    b) IBM
    c) Google ✅
    d) None of these
  7. EC2 stands for:
    a) Elastic Compute Cloud ✅
    b) Elastic Covariant Cloud
    c) Elastic Cloud Computing
    d) None of these
  8. The term “Pay-for-use” model for using computing services refers to:
    a) Grid Computing
    b) Utility Computing ✅
    c) Autonomic Computing
    d) None of these
  9. The concept of enabling users to access servers without knowing the details is known as:
    a) Web Services
    b) Virtualization ✅
    c) Green Computing
    d) None of these
  10. The Web Services framework includes:
    a) Communication Protocols
    b) Service Descriptions
    c) Service Discovery
    d) All of these ✅
  11. What were some consequences of mass factory-based production?
    a) Conservation of natural resources
    b) Increase in biodiversity
    c) Depletion of natural resources ✅
    d) Decrease in pollution
  12. Significant factor contributing to pollution during the Industrial Revolution:
    a) Renewable energy resources
    b) Carbon capture technology
    c) Deforestation ✅
    d) Use of clean fuels
  13. Who developed a patent for an inexpensive hearing aid based on semiconductors?
    a) Werner Jacobi ✅
    b) Geoffrey Drummer
    c) Jack Kilby
    d) ENIAC
  14. Jack Kilby was working for:
    a) Siemens AG
    b) British Royal Radar
    c) Texas Instruments ✅
    d) US Military
  15. System whose limitations led to development of IC:
    a) ENIAC ✅
    b) Mainframe Computers
    c) Super Computers
    d) Personal Computers
  16. Who observed transistor doubling in ICs every two years (Moore’s Law)?
    a) Bill Gates
    b) Gordon Moore ✅
    c) Steve Jobs
    d) Mark Zuckerberg
  17. Graphical interface that replaced text-based interface on the internet:
    a) Microsoft
    b) Apple
    c) Google Inc.
    d) Mosaic ✅
  18. Analogy used for energy consumption of information economy:
    a) Blue Whale economy ✅
    b) Elephant economy
    c) Tiger economy
    d) Dolphin economy
  19. Key challenge facing Green Technology:
    a) Legacy systems ✅
    b) Reliable measurement tech
    c) Increasing energy usage
    d) Robust regulations
  20. Green way of moving from power-hungry computing:
    a) Legacy Systems
    b) IoT
    c) Energy harvesting
    d) Cloud Computing ✅
  21. Sustainable development has:
    a) Direct impact
    b) Indirect impact
    c) Positive effect
    d) All of these ✅
  22. Life cycle of IT products depends on:
    a) Material acquisition
    b) Material processing
    c) Both a and b ✅
    d) None of these
  23. Use phase CO₂ impact in PC lifecycle:
    ✅ 52%
  24. Overall energy consumption depends on:
    a) Low-power design
    b) Hardware design
    c) Circuit design
    d) All of these ✅
  25. Best method to assess energy usage of code:
    a) Power consumption of device executing the code ✅
    b) Processor types
    c) Memory hierarchy
    d) None of these
  26. DVFS stands for:
    a) Dynamic Voltage – Frequency Scaling ✅
    b) Dynamic Voltage – Frequency System
    c) Dynamic Voltage – Frequency Software
    d) None of these
  27. Spatial locality refers to data use within:
    a) Specific data
    b) Scratch pad memory
    c) Storage locations ✅
    d) None of these
  28. Approaches to reduce compiler energy usage:
    a) Static Analysis
    b) Dynamic Analysis
    c) Runtime ILP Parameters
    d) All of these ✅
  29. Average mobile phone ownership in India:
    a) 15.7 months
    b) 18 months ✅
    c) 24.5 months
    d) 36 months
  30. Reducing multiprocessor energy usage:
    a) Heterogeneous nature ✅
    b) Homogeneous nature
    c) Increasing frequencies
    d) None
  31. SLA must specify:
    a) User satisfaction
    b) Technical specifications & user needs ✅
    c) Marketing strategies
    d) Hardware configuration
  32. Three pillars of sustainable development:
    a) Performance, Efficiency, Cost
    b) Quality, Speed, Reliability
    c) People, Planet, Profit ✅
    d) Design, Implementation, Testing
  33. Not part of Green ICT metrics (SMART 2020):
    a) Carbon emission
    b) Energy efficiency
    c) Application-specific metrics ✅
    d) Recyclability
  34. Role of smart metering in Green ICT:
    a) Reduce user costs
    b) Analyze & control energy use ✅
    c) Improve graphical interfaces
    d) Increase data storage
  35. Not a requirement in Green ICT architecture:
    a) Recyclability estimation
    b) Energy cost calculation
    c) Radio wave emission estimation ✅
    d) Carbon emission estimation
  36. Additional requirement in ethics pillar of ICT:
    a) Energy efficiency
    b) Scalability
    c) Speed and accuracy
    d) Anonymity & privacy control ✅
  37. Abstract but essential ICT system measure:
    a) Data performance
    b) Hardware reliability
    c) User satisfaction ✅
    d) System aesthetics
  38. Ultimate goal of sustainable ICT engineering:
    a) Green ICT design ✅
    b) Reduce project risks
    c) Marketing strategy
    d) Graphical design
  39. Report on ICT & climate change ambivalence:
    ✅ SMART 2020
  40. SMART 2020 ICT carbon emission contribution:
    ✅ 2% in 2007
  41. Usability challenge for malfunctioning devices:
    a) Finding devices
    b) Function limitations
    c) UID compromises
    d) Compatibility issues ✅
  42. Consequence of demand for speed/reliability:
    a) Decrease in resource volume
    b) Reduction in power
    c) Memory requirement increase ✅
    d) Redundancy elimination
  43. Consequence of rapid change in IT industry:
    a) Longer OS lifespan
    b) Lower complexity
    c) Functional obsolescence ✅
    d) Better H/W–S/W compatibility
  44. New & old software compatibility is called:
    a) Forward compatibility
    b) Cross-platform
    c) Backward compatibility ✅
    d) Interoperability
  45. UK’s analog TV shutdown driver:
    a) Tech limitations
    b) Reallocate frequency ✅
    c) Low demand
    d) Manufacturer decision
  46. Likely result of IT growth:
    a) Lower resource demand
    b) Higher resource demand ✅
    c) Stable demand
    d) No impact
  47. Technology for fuel efficiency in cars:
    a) Entertainment systems
    b) Traffic information
    c) Engine Management Systems ✅
    d) Speed control
  48. BMS optimizes energy based on weather by:
    a) Turning off HVAC
    b) Adjusting HVAC to forecasts ✅
    c) Relying on mutual adjustments
    d) Increasing energy use
  49. Communication system role in transport:
    a) Satellite navigation
    b) Real-time traffic info ✅
    c) Bluetooth
    d) Adaptive cruise control
  50. River near data centers for hydropower:
    a) Mississippi
    b) Nile
    c) Columbia ✅
    d) Amazon

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