
Operating Systems Quiz - Basic 03 to Basic 04
Authored by Nestor Philips
Engineering
University
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the `exec()` system call do in Unix/Linux?
Spawns a new process
Duplicates the process
Replaces the current process with a new program
Exits the current process
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following scheduling algorithms may lead to starvation?
FCFS
Round Robin
Shortest Job First
Priority Scheduling
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which algorithm is used in demand paging to decide which page to replace?
FIFO
LRU
Optimal
All of the above
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In UNIX, what happens if a child process is orphaned?
It’s terminated immediately
It’s taken over by the kernel
It’s adopted by the init process
It halts the system
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In a multi-core system, CPU affinity helps by:
Restricting a process to run on a specific core
Allowing only one process at a time
Preventing I/O operations
Speeding up memory fetch
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which structure maintains the status of all active memory pages in a system?
Page Map Table
Translation Lookaside Buffer
Page Table
Frame Map
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is an example of a real-time OS?
MS-DOS
VxWorks
Windows 10
Ubuntu
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