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Operating System
1081
Computer Science Fundamentals
998
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OS Deadlocks
Which of the following condition is required for a deadlock to be possible?
mutual exclusion
a process may hold allocated resources while awaiting assignment of other resources
no resource can be forcibly removed from a process holding it
all of the mentioned
Author:
rikazzz
Comment
OS CPU Scheduling
In priority scheduling algorithm ____________
CPU is allocated to the process with highest priority
CPU is allocated to the process with lowest priority
Equal priority processes can not be scheduled
None of the mentioned
Author:
rikazzz
Comment
OS Distributed File Systems
What are the characteristics of process migration?
transfer data by entire file or immediate portion required
transfer the computation rather than the data
execute an entire process or parts of it at different sites
none of the mentioned
Author:
rikazzz
Comment
OS Memory Management
The size of a page is typically ____________
varied
power of 2
power of 4
none of the mentioned
Author:
rikazzz
Comment
OS Distributed File Systems
What are the characteristics of mutual exclusion using centralized approach?
One processor as coordinator which handles all requests
It requires request,reply and release per critical section entry
The method is free from starvation
All of the mentioned
Author:
rikazzz
Comment
OS Memory Management
Memory management technique in which system stores and retrieves data from secondary storage for use in main memory is called?
fragmentation
paging
mapping
none of the mentioned
Author:
rikazzz
Comment
Computer Science Fundamentals
The operation represented by parallelograms.
Input/Output
Assignment
Comparison
Conditions
The input/output operations are represented by parallelograms. They generally are used to display messages during input and output part of a program.
Author:
rikazzz
Comment
Computer Science Fundamentals
A number with both integer and a fractional part has digits raised to both positive and negative powers of 2 in a decimal number system.
True
False
In a decimal number system, a number with both integer and a fractional part has digits raised to both positive and negative powers of 10 and not 2.
Author:
rikazzz
Comment
Computer Science Fundamentals
A small data file in the browser.
Cookie
Web Server
FTP
Database
Cookie is a small data file in the browser. Most browsers nowadays allow the user to decide if they want the cookies or not.
Author:
rikazzz
Comment
OS File Systems and Their Implementation
Once the changes are written to the log, they are considered to be ________
committed
aborted
completed
none of the mentioned
Author:
rikazzz
Comment
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