Category: 0. BLOG

In system protection, which mechanism most directly prevents a user program from executing privileged CPU instructions A Large disk partitions

When many processes compete for CPU, which OS measure decides who runs next based on assigned importance levels A Disk

While running many apps, which OS function prevents one app from unfairly using CPU for too long A Disk formatting

In protected-mode systems, why must user programs use system calls for tasks like opening hardware devices A Faster screen drawing

In simple operating system terms, which OS function decides who can use files, apps, and settings on a shared computer

When a running process makes a system call, what controlled transition usually occurs in CPU privilege level A Kernel to

When a process is moved out of CPU but kept ready for later, which OS structure stores its saved CPU

When the OS temporarily stops a running process to give CPU time to another, what is this act called A

Which operating system function ensures different programs cannot directly damage each other’s memory space during normal use A Memory protection

In a computer system, what is the main role of an operating system in daily use A Manage hardware resources