B.S.W.E. Bachelor of Software Engineering Operating Systems & Computer Networks

Question 1

What is a process in an operating system?

Accepted Answer

A program in execution with its own memory space and resources

Answer

A stored program on disk

Answer

A system call to the kernel

Answer

A type of file system entry

Question 2

What is the key difference between a process and a thread?

Accepted Answer

Threads share memory within a process; processes have separate memory spaces

Answer

Processes are faster than threads

Answer

Threads are used in databases; processes in web servers

Answer

Processes are smaller in size than threads

Question 3

What is virtual memory in operating systems?

Accepted Answer

A technique using disk space to extend apparent RAM capacity

Answer

Memory located on the GPU

Answer

Cache memory embedded in the CPU

Answer

Encrypted RAM for secure operations

Question 4

What scheduling algorithm serves the process that has been waiting the longest?

Accepted Answer

First Come First Served (FCFS)

Answer

Round Robin

Answer

Shortest Job First

Answer

Priority Scheduling

Question 5

What is a semaphore in operating systems?

Accepted Answer

A synchronization mechanism controlling access to shared resources

Answer

A type of CPU interrupt signal

Answer

A memory protection flag in hardware

Answer

A type of file system permission

Question 6

What does the OSI model describe?

Accepted Answer

A framework for network communication protocols in seven layers

Answer

Object-oriented programming standards

Answer

Operating system interface specifications

Answer

Database query optimization strategies