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Operating System
1081
Computer Science Fundamentals
998
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OS Memory Management
The first fit, best fit and worst fit are strategies to select a ______
process from a queue to put in memory
processor to run the next process
free hole from a set of available holes
all of the mentioned
Author:
rikazzz
Comment
OS Distributed File Systems
In the token passing approach of distributed systems, processes are organized in a ring structure ____________
logically
physically
both logically and physically
none of the mentioned
Author:
rikazzz
Comment
OS Memory Management
To obtain better memory utilization, dynamic loading is used. With dynamic loading, a routine is not loaded until it is called. For implementing dynamic loading ____________
special support from hardware is required
special support from operating system is essential
special support from both hardware and operating system is essential
user programs can implement dynamic loading without any special support from hardware or operating system
Author:
rikazzz
Comment
Computer Science Fundamentals
PDU stands for?
Protocol Data Unit
Professional Data Unit
Protocol Distributed Unit
Professional Distributed Unit
PDU stands for Protocol Data Unit. It is transmitted as a single unit to other units in a computer network.
Author:
rikazzz
Comment
Computer Science Fundamentals
Line Printers that print one line at a time are _________
Laser Printers
Inkjet Printers
Drum Printers
Chain Printers
The drum printers have a solid cylindrical drum with characters embossed on its surface in the form of circular bands. It can only print a predefined set of characters.
Author:
rikazzz
Comment
OS File Systems and Their Implementation
Some directory information is kept in main memory or cache to ___________
fill up the cache
increase free space in secondary storage
decrease free space in secondary storage
speed up access
Author:
rikazzz
Comment
OS Multimedia Systems
Which algorithm can be optimized to meet the timing deadlines and rate requirements of continuous media?
Earliest-Deadline-First scheduling
SCAN-EDF scheduling
Both Earliest-Deadline-First scheduling & SCAN-EDF scheduling
None of the mentioned
Author:
rikazzz
Comment
Computer Science Fundamentals
A method used to force one thread to wait for another thread to finish.
join()
connect()
combine()
concat()
The answer is join(). We can use the join() method to force one thread to wait for another thread to finish.
Author:
rikazzz
Comment
Computer Science Fundamentals
Internet was evolved from the basic ideas of ARPANET.
True
False
The statement is true. ARPANET is the first WAN i.e., Wide Area network that had only four sites in 1969 for interconnecting computers.
Author:
rikazzz
Comment
OS Mass-Storage Structures
A process is moved to wait queue when I/O request is made with ____________
non-blocking I/O
blocking I/O
asynchronous I/O
synchronous I/O
Author:
rikazzz
Comment
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