Online Exam Preparation
MCQs Library
Browse subject-wise multiple choice questions, review answers quickly, and start a test from the same section.
Questions
| Code | Question | Option A | Option B | Option C | Option D | Answer |
|---|---|---|---|---|---|---|
| CS604 |
An Optimal Page-Replacement Algorithm Has The Lowest Page Fault Rate Of All Algorithms
|
True
|
False
|
Na
|
Na
|
A |
| CS604 |
An Optimal Scheduling Algorithm In Terms Of Minimizing The Average Waiting Time Of A Given Set Of Processes Is __________
|
Fcfs Scheduling Algorithm
|
Round Robin Scheduling Algorithm
|
Shorest Job - First Scheduling Algorithm
|
None Of The Above
|
C |
| CS604 |
Assume A Logical Address Space Of 16 Pages Each Of 1024 Words Each Mapped Into A Physical Memory Of 32 Frames. Each Word Consists Of 2 Bytes. What Will Be The Total Number Of Bits Required For F (Frames)?
|
5
|
6
|
7
|
8
|
A |
| CS604 |
Assume A Logical Address Space Of 16 Pages Of 1024 Words Each Mapped Into A Physical Memory Of 32 Frames. Each Word Consists Of 2 Bytes. What Will Be The Total Number Of Bits Required For P (Page Number)?
|
4 Bits
|
8 Bits
|
16 Bits
|
32 Bits
|
A |
| CS604 |
At A Particular Time The Value Of Counting Semaphore Is 10. It Will Become 7 After
|
3 V Operations
|
5P Operations
|
5V And 2P Operations
|
13 P And 10 V Operations
|
D |
| CS604 |
Banker"S Algorithm Is Used For __________
|
Deadlock Avoidance
|
Deadlock Detection
|
Deadlock Prevention
|
Deadlock Removal
|
A |
| CS604 |
Batch Programs Are Usually ___________ Programs
|
Interactive
|
Non-Interactive
|
Foreground
|
Preemptive
|
B |
| CS604 |
Binary Semaphores Are Those That Have Only Two Values__________
|
0 And N
|
0 And 0
|
0 And 1
|
None Of The Given Options
|
C |
| CS604 |
Bounded Buffer Is A Buffer Of __________ Size
|
Variable
|
Fixed
|
Constant
|
None Of The Option Is Correct
|
B |
| CS604 |
Cache Is Non-Volatile Memory
|
True
|
False
|
Na
|
Na
|
B |
| CS604 |
Circular Waiting Is A Necessary Condition For Deadlock But Not A Sufficient Condition
|
True
|
False
|
Na
|
Na
|
T |
| CS604 |
Command Display The Status Of A Process
|
Ps
|
Ls
|
Gcc
|
Cat
|
A |
| CS604 |
Command Displays The Contents Of Current Working Directory
|
Is
|
Cs
|
Mv
|
All Of The Given
|
A |
| CS604 |
Command Gives A Snapshot Of The Current Processes
|
Ps
|
Top
|
Who
|
Ls
|
A |
| CS604 |
Command-Line Interpreter Is Also Called __________ In Some Operating Systems
|
Kernel
|
Shell
|
Signal
|
Api
|
B |
| CS604 |
Cooperating Processes Never Share Any Data Code Memory Or State
|
True
|
False
|
Na
|
Na
|
B |
| CS604 |
Copy File1 File2 Is An Example Of Os View
|
Top Down
|
Bottum Up
|
Sequental
|
None Of The Given
|
A |
| CS604 |
Cpu Performance Is Measured Through __________
|
Throughput
|
Mhz
|
Flaps
|
None Of The Above
|
A |
| CS604 |
Cryptography Technique Is Used In __________
|
Polling
|
Job Scheduling
|
Protection
|
File Management
|
C |
| CS604 |
Current Working Directory Can Be Accessed Using --------- Command
|
. (Dot)
|
# ( Hash )
|
/ (Slash)
|
~ (Tilt)
|
D |