Topic 2

Topic 2

1. Paging and Segmentation

   • Paging-A method of manipulating memory which uses pages to stored code in fixed size blocks and allows programs to run despite insufficient memory. Uses virtual memory
   • Segmentation-A method of manipulating memory which uses segments to store code in different sized, logical sections. Uses virtual memory

2. Key words

   • ISR(Internet Service Routine- Determines what happens when an interrupt is raised
   • Virtual Machine- WHen software is used to take on the function of a physical machine
   • A signal which stops the fetch decode execute cycle from running normally in order to prioritise a different a device
     • Types of interrupy
       • Hardware:

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