B.S.W.E. Bachelor of Software Engineering Operating Systems & Systems Programming 3

Question 1

What is Inter-Process Communication (IPC)?

Accepted Answer

Mechanisms that allow processes to exchange data and synchronize actions

Answer

A method for CPUs to communicate with GPUs

Answer

A protocol for network communication between servers

Answer

A hardware interrupt mechanism

Question 2

In file systems, what is an inode?

Accepted Answer

A data structure storing metadata about a file (permissions, size, timestamps) but not the file name

Answer

An entry in the directory listing of a file

Answer

A block of data storing file contents

Answer

A virtual device driver for storage

Question 3

What is a context switch in operating systems?

Accepted Answer

The process of saving the state of a running process and loading the state of another process

Answer

Changing the CPU's instruction set architecture at runtime

Answer

Switching between user mode and kernel mode

Answer

Changing the priority of a running process

Question 4

What does the fork() system call do in Unix/Linux?

Accepted Answer

Creates a child process that is an exact copy of the parent process

Answer

Terminates the calling process

Answer

Creates a new thread within the current process

Answer

Loads a new program image into the current process

Question 5

What is thrashing in virtual memory management?

Accepted Answer

A condition where the system spends more time swapping pages than executing processes

Answer

A type of disk fragmentation requiring defragmentation

Answer

An attack that causes excessive cache misses

Answer

An error in page table management

Question 6

Which synchronization construct ensures that only one thread executes a critical section at a time?

Accepted Answer

Mutex

Answer

Condition variable

Answer

Barrier

Answer

Spinlock