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Device Drivers
A device driver is a piece of software that communicates between the OS and external I/O devices. They can perform specific operations and the I/O devices, i.e., printing for print...
computer-scienceoperating-systems
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operating-systems
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Virtual Machines
Why? Positives Testing software on different types of hardware in an easier way. Testing malware software disposable. They do not affect hardware. Allows for cross platform use/tes...
computer-scienceoperating-systems
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Multi-tasking and Scheduling
info Scheduling cheatsheat. Scheduling is used by operating systems to support the illusion of running multiple processes simultaneously. Scheduling First Come First Serve FCFS Non...
computer-scienceoperating-systems
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Operating System Needs
Resource management/multi tasking Multi tasking is when you have more than one program open and running simultaneously. The processor allocates a thin slice of time to each process...
computer-scienceoperating-systems
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Paging vs. Segmentation
Similarities 1. Both allow programs to run despite insufficient memory 2. Pages and segments are stored on the disk 3. Pages and segments are transferred to memory when needed Diff...
computer-scienceoperating-systems