Processor Management with OS

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  • Created by: lordHan
  • Created on: 26-11-17 15:02

1. What does the shortest job first algorithm do?

  • Executes whichever task has the shortest time left for executing, also allowing added processes to take over the currently running process
  • Organizes the queue according to size and then executes accordingly
  • Executes tasks in the order of being added
  • Places the shortest job at the front of the queue, then organizes the rest randomly
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2. What are interrupts?

  • Signals that prevent your CPU from working properly.
  • Signals that are sent from the CPU to other components.
  • Signals from components of a computer that gets the attention of the CPU.
  • People who stop you from working on your computer.

3. What do interrupts do?

  • Automatically move the CPU onto another task regardless of priority
  • Break a computer
  • Move the CPU onto another task if it is of higher priority
  • Prevent you from working

4. What does the Round Robin algorithm do?

  • Gives each task a time slice, and if it is not completed by the end of it it is added back onto the end of the queue
  • Takes a robin and rounds it
  • Executes tasks in the order of being added
  • Organizes the queue according to sizesize and then executes accordingly

5. What is an example of a hardware interrupt?

  • Completion of data transfer between devices
  • A keyboard blocking the monitor of the computer
  • The shutdown of the computer triggered by pressing the off switch
  • Arithemtic overflow
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