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Operating System
1081
Computer Science Fundamentals
998
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OS File Systems and Their Implementation
In the tree structured directories _____________
the tree has the stem directory
the tree has the leaf directory
the tree has the root directory
all of the mentioned
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Computer Science Fundamentals
What does D in the D-flip flop stand for?
Digital
Direct
Delay
Durable
In the hardwired control unit, the delay element method uses D-flip flop which causes a delay. Since, in the delay element method, there must be a finite time gap between the 2 steps.
Author:
rikazzz
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OS Memory Management
Swap space is allocated ____________
as a chunk of disk
separate from a file system
into a file system
all of the mentioned
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OS Mass-Storage Structures
RAID level 5 is also known as ____________
bit-interleaved parity organization
block-interleaved parity organization
block-interleaved distributed parity
memory-style ECC organization
Author:
rikazzz
Comment
OS Multimedia Systems
The streaming that takes place as the event is occurring is ___________
live streaming
dead streaming
static streaming
on demand streaming
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rikazzz
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OS Security
What is characteristic of RADIUS system?
It is essential for centralized encryption and authentication
It works on Network layer to deny access to unauthorized people
It provides centralized authentication mechanism via network devices
It’s a strong File access system
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rikazzz
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Computer Science Fundamentals
The memory implemented using the semiconductor chips is _________
Cache
Main
Secondary
Registers
The main memory is implemented using semiconductor chips. Main memory is located on the motherboard. It mainly consists of RAM and small amount of ROM.
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rikazzz
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OS Process Synchronization
What are the two kinds of semaphores?
mutex & counting
binary & counting
counting & decimal
decimal & binary
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rikazzz
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OS File Systems and Their Implementation
The mount request is mapped to the corresponding __________ and is forwarded to the mount server running on the specific server machine.
IPC
System
CPU
RPC
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rikazzz
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OS Distributed File Systems
Which technique is based on compile-time program transformation for accessing remote data in a distributed-memory parallel system?
cache coherence scheme
computation migration
remote procedure call
message passing
Author:
rikazzz
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