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Examen
CS370 Midterm #1 2023 with complete solution questions and answers
Define operating system in terms of what they do 
- manages the computer's resources 
- establish a user interface 
- execute and provide services for applications software 
 
 
 
What is dual mode operation? How does it switch between modes? 
allows OS to protect itself and other system components 
kernel and user mode --> privileged instructions can only execute in kernel mode 
 
 
 
 
volatile 
main storage 
loses its contents when power is turned off 
 
 
 
non-volatile 
second storage 
...