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Hardware test

Jaymie Maree Englisch 51 Karten

Karten in diesem Stapel (51)

  1. 1ConcurrencyWhen two or more tasks can start, run and complete in overlapping time periods
  2. 2What are the types of operating systems?Stand alone, embedded and server OS
  3. 3What is Stand Alone operating system?It is independent of other operating systems or programs
  4. 4What is an Embedded operating system?It is used in special purpose applications and functions.
  5. 5What is a Server OS?It is designed to provide platforms for multi-user networked applications
  6. 6What are software drivers?Programs that allow you to interact with the hardware devices inside and outside your system.
  7. 7What does the ALU do in the CPU?It performs computer processor computations
  8. 8What does the Control Unit do inside the CPU?It controls the flow of info through the processor and coordinates the activities of other units
  9. 9What do Registers do inside the CPU?They are temporary memory units that store words
  10. 10What are Buses?The physical path of a set of wires where data flows.
  11. 11What are the 3 different types of Buses?Data Bus
    Address bus
    Control Bus
  12. 12What does a Data Bus do?It contains the contents that have been read from memory location or to be written in memory location
  13. 13What does an Address Bus do?Determines location in memory that processor will read data from or write to
  14. 14What does a Control Bus do?Manages info flow between components
  15. 15What does RAID stand for?Redundant Array of Independent Disks
  16. 16What does RAID do?It divides and replicates data among multiple disk drives
  17. 17Level 0 RAID (striping)Implements a striped disk array. The data is broken down into blocks, then each block separated onto separate disk
  18. 18What is the minimum drives Level 0 RAID needs to implement?2 Drives
  19. 19What are the advantages of Level 0 RAID?Improves performance by spreading the load
    Easy to implement
  20. 20What are the disadvantages of Level 0 RAID?Not a true RAID, Not fault tolerant
    If one drive fails then all data in array will be lost
  21. 21What is Level 1 RAID? (mirroring)Twice the read rate as Level 0, but has the same write rate
  22. 22What is the minimum drives Level 1 RAID needs to implement?2 drives
  23. 23Advantages of Level 1 RAID?100% redundancy of data
    Simplest storage design
  24. 24Disadvantages of Level 1 RAID?Highest disk overhead of all RAID types
    If done by software it can slow computer down through heavy usage
  25. 25What is Level 10 RAID?It is implemented as a striped array whose segments are RAID 1 arrays
  26. 26Advantages of RAID 10?High input/output rate
    Can sustain disk failures
  27. 27Disadvantages of Level 10 RAID?Expensive
    high overheads lower sustained performance
  28. 28What does UPS stand for?Uninterruptible Power Supply
  29. 29What is UPS responsible for?It supplies continuous power to a load despite disturbances in the main power source
  30. 30Name 2 things UPS protects againstVoltage Surges and spikes
    Voltage sags
    Total power failure
    Frequency differences
  31. 31What is Benchmarking?Being able to compare different products on the same machine
  32. 32Challenges of Benchmarking?Companies tune their products for industry standards
    Most only focus on speed
  33. 33What does Software Benchmarking do?It uses a universal program and looks at frames per second
  34. 34Hardware Benchmarks?Allow user yo see how different bits of hardware compare to eachother
  35. 35What is Operating System Benchmark?When different operating systems are put to the test to compare how they do certain things
  36. 36What is Distributed Processing?a form of parallel processing
    A single task split into a number of smaller tasks, each running on a separate computer then coming back together
  37. 37What is Senquential Processing?The centralisation of applications at a data centre
  38. 38What is PC Virtualisation?A single computer similtaneously runs multiple virtual PC's, each with its own operating system
  39. 39What is Parallel Processing?Processing of instructions by dividing them among multiple processors running program in less time
  40. 40Advantages of Parallel Processing?Faster when handling large amounts of data
    Not limited by the bus transfer rate
  41. 41Disadvantages of Parallel Processing?Only certain data types are suitable
    Costly in terms of hardware
  42. 42What is Multi-Core Processing?Multiple cores in a single computer which improves performance
  43. 43What are the main reasons to virtualise your desktops?Saves time, Energy, Money
    Minimizes risk of data loss
  44. 44What is Desktop Virtualisation?The centralisation of applications at a data centre
  45. 45What is Server Virtualisation?Multiple logical servers hosted on the one computer
  46. 46What is Storage Virtualisation?The pooling of storage from multiple network storage devices into a single storage device managed by a central console
  47. 47What is Disaster Recovery?A comprehensive statement of consistent actions to be taken before, during and after a disaster
  48. 48Advantages of the Cloud?Access to info and services everywhere for free
    Companies with ease of scalability
  49. 49Disadvantages of The Cloud?Access to all info to third parties
    Dependence on online services
  50. 50What is Convergence?Bringing different technology into one system or device
  51. 51Example of Convergence?A Smartphone

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Karteikarten am Hardware test, erstellt von Jaymie Maree am 17/02/2016.
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Jaymie Maree
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