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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 |
What Is Spooling?
|
Ability Of An Os To Protect Jobs From Writing Into The Wrong Memory Location
|
Ability Of An Os To Do Long Term Job Scheduling
|
Ability Of An Os To Read Jobs From Cards Onto The Disk And Load A New Job From The Disk To Empty Memory Partition
|
Ability Of An Os To Give Priority To Each Job For Execution
|
C |
| CS604 |
What Is The Memory From 1K - 640K Called ?
|
Extended Memory
|
Normal Memory
|
Low Memory
|
Conventional Memory
|
D |
| CS604 |
When A Link Is Created A Directory Entry For The Existing File Is Created Soft
|
Hard
|
Soft Or Hard
|
Soft Or Hard
|
None Of The Given Options
|
A |
| CS604 |
When A Process Opens Its First File Explicitly It Will Get Descriptor Number ___________
|
1
|
2
|
3
|
4
|
C |
| CS604 |
When Process Opens Its First File Explicitly It Will Get Descriptor Number
|
1
|
2
|
3
|
4
|
C |
| CS604 |
When The Address Used In A Program Gets Converted To An Actual Physical Ram Address It Is Called ------------
|
Address Binding
|
Execution
|
Loading
|
Compiling
|
A |
| CS604 |
When The Process Tries To Access Locations That Are Not In Memory The Hardware Traps The Operating System. This Is Called As ___________
|
Page Replacement
|
Page Fault
|
Paging
|
Segmentation
|
B |
| CS604 |
Which Command Display Permissions And Some Other Attributes For Prog1.C In Your Current Directory?
|
Ls –L Prog1.C
|
Ls –D Prog1.C
|
Ls File Prog1.C
|
Ls –L Prog1.C /Directory
|
A |
| CS604 |
Which Component Ensures That A Process Can Execute Only Within Its Own Address Space?
|
I/O Device
|
Memory-Addressing Hardware
|
Timer
|
Virtual Memory
|
B |
| CS604 |
Which Directory Implementation Is Used In Most Operating System?
|
Single Level Directory Structure
|
Two Level Directory Structure
|
Tree Directory Structure
|
Acyclic Directory Structure
|
C |
| CS604 |
Which File System Does Dos Typically Use ?
|
Fat16
|
Fat32
|
Ntfs
|
Wnfs
|
A |
| CS604 |
Which File System Does Windows 95 Typically Use ?
|
Fat16
|
Fat32
|
Ntfs
|
Lmfs
|
B |
| CS604 |
Which Is Not The State Of The Process ?
|
Blocked
|
Running
|
Ready
|
Privileged
|
D |
| CS604 |
Which Of The Following File Name Extension Suggests That The File Is Backup Copy Of Another File ?
|
Txt
|
Com
|
Bas
|
Bak
|
D |
| CS604 |
Which Of The Following Is A Criterion To Evaluate A Scheduling Algorithm?
|
Cpu Utilization: Keep Cpu Utilization As High As Possible
|
Throughput: Number Of Processes Completed Per Unit Time
|
Waiting Time: Amount Of Time Spent Ready To Run But Not Running
|
All Of The Above
|
D |
| CS604 |
Which Of The Following Is Contained In Process Control Block (Pcb)?
|
Process Number
|
List Of Open Files
|
Memory Limits
|
All Of The Above
|
D |
| CS604 |
Which Of The Following Is Correct Definition For Wait Operation?
|
Wait(S) { While(S<=0) ;// No O S--; }
|
Wait(S) { S++; }
|
Wait(S) { While(S>=0) ;// No Op S--; }
|
Wait(S) { S--; }
|
A |
| CS604 |
Which Of The Following Is Crucial Time While Accessing Data On The Disk?
|
Seek Time
|
Rotational Time
|
Transmission Time
|
Waiting Time
|
A |
| CS604 |
Which Of The Following Is Not A Hardware Resource
|
Cpu
|
Os
|
I/O Devices
|
Memory
|
B |
| CS604 |
Which Of The Following Is Not Advantage Of Multiprogramming?
|
Increased Throughput
|
Shorter Response Time
|
Decreased Operating System Overhead
|
Ability To Assign Priorities To Jobs
|
C |