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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 |
For Some Page Replacement Algorithms The Page Fault Rate May Increase As The Number Of Allocated Frames __________
|
Constant
|
Decreased
|
Increased
|
All Of The Given
|
C |
| CS604 |
Hardware Provide Basic Computing Resource
|
True
|
False
|
Na
|
Na
|
A |
| CS604 |
------------Has A Hierarchical File System Structure
|
Dos
|
Windows
|
Unix
|
None Of The Given Options
|
C |
| CS604 |
---------Holds The Smallest Legal Physical Memory Address For A Process
|
Base Register
|
Limit Register
|
Index Register
|
Stack Pointers Register
|
A |
| CS604 |
I Mb Or 1 Megabyte Is Equivalent To__________
|
1024 Bytes
|
1024^2 Bytes
|
1024^3 Bytes
|
1000000 Bytes
|
B |
| CS604 |
I/O Instructions Are Privileged Instructions
|
True
|
False
|
Na
|
Na
|
A |
| CS604 |
Identify The Odd Thing In The Services Of Operating System
|
Accounting
|
Protection
|
Error Detection And Correction
|
Dead Lock Handling
|
C |
| CS604 |
If A Process Continues To Fault Replacing Pages For Which It Then Faults And Brings Back In Right Away. This High Paging Activity Is Called __________
|
Paging
|
Thrashing
|
Page Fault
|
Cpu Utilization
|
C |
| CS604 |
If A System Is Not In A Safe State There Can Be No Deadlocks
|
True
|
False
|
Na
|
Na
|
B |
| CS604 |
If The Disk Head Is Located Initially At 32 Find The Number Of Disk Moves Required With Fcfs If The Disk Queue Of I/O Blocks Requests Are 98 37 14 124 65 67
|
310
|
324
|
315
|
321
|
C |
| CS604 |
If The Fork System Call Fails It Returns
|
-1
|
0
|
1
|
2
|
A |
| CS604 |
If The System Can Allocate Resources To Each Process In Some Order And Still Avoid A Deadlock Then It Said To Be In State
|
Safe
|
Unsafe
|
Mutual
|
Starvation
|
A |
| CS604 |
If Validation Bit Is 0 It Indicates A/An --------- State Of Segment
|
Protected
|
Shared
|
Legal
|
Illegal
|
D |
| CS604 |
If Your Processor Does Not Have Two Slots Empty In Per Process File Descriptor Table Then Your ___________ System Call Will Fail
|
Pipe
|
Read
|
Write
|
Open
|
A |
| CS604 |
In ------------- Technique Memory Is Divided Into Several Fixed-Size Partitions
|
Swapping
|
Overlays
|
Multiprogramming With Fixed Tasks (Mft)
|
Multiprogramming With Variable Tasks (Mvt)
|
C |
| CS604 |
In __________ Communication The Process Which Wants To Communicate With The Other Process Must Explicitly Name The Recipient And The Sender
|
Direct
|
Indirect
|
Automatic
|
Self
|
A |
| CS604 |
In __________ Page Replace Algorithm We Will Replace The Page That Has Not Been Used For The Longest Period Of Time
|
Counter Based
|
Least Frequently Used
|
Fifo
|
Lru
|
D |
| CS604 |
In __________Addressing The Recipient Is Not Required To Name The Sender
|
Symmetric
|
Asymmetric
|
Both Symmetric And Asymmetric
|
None Of The Given Options
|
B |
| CS604 |
In A Symmetric Multiprocessor Threads Can Always Be Run On Any Processor
|
True
|
False
|
Na
|
Na
|
F |
| CS604 |
In A Unix System __________ System Call Can Be Used To Request The Operating System To Memory Map An Opened File
|
Mmap( )
|
Fork ( )
|
Exec( )
|
Read( )
|
A |