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Operating System
1081
Computer Science Fundamentals
998
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OS Security
What is Trojan horse?
It is a useful way to encrypt password
It is a user which steals valuable information
It is a rogue program which tricks users
It’s a brute force attack algorithm
Author:
rikazzz
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OS File Systems and Their Implementation
When a user refers to a particular file?
system MFD is searched
his own UFD is not searched
both MFD and UFD are searched
every directory is searched
Author:
rikazzz
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Computer Science Fundamentals
What do you call testing individual components?
system testing
unit testing
validation testing
black box testing
The testing strategy is called unit testing. It ensures a function properly works as a unit.
Author:
rikazzz
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OS Distributed Communication
In UNIX, the return value for the fork system call is _____ for the child process and _____ for the parent process.
A Negative integer, Zero
Zero, A Negative integer
Zero, A nonzero integer
A nonzero integer, Zero
Author:
rikazzz
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OS Security
Why is one time password safe?
It is easy to generated
It cannot be shared
It is different for every access
It is a complex encrypted password
One time password is safe since it is generated per access and thus cannot be brute forced or deduced.
Author:
rikazzz
Comment
OS Memory Management
Smaller page tables are implemented as a set of _______
queues
stacks
counters
registers
Author:
rikazzz
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Computer Science Fundamentals
He made the first animated film in 1906.
Walt Disney
J. Stuart Blackton
William Horner
J.A. Ferdinand Plateau
J. Stuart Blackton made the first animated film in 1906. Humorous Phases of Funny Faces was the first animation film.
Author:
rikazzz
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Computer Science Fundamentals
GKS stands for?
General Kernel System
Graphics Kernel System
Graphics Kernel Software
General Kernel Software
GKS-Graphics Kernel System is the first graphics package. It was accepted by ISO & ANSI.
Author:
rikazzz
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OS Memory Management
When memory is divided into several fixed sized partitions, each partition may contain ________
exactly one process
at least one process
multiple processes at once
none of the mentioned
Author:
rikazzz
Comment
OS Distributed Communication
What is interprocess communication?
communication within the process
communication between two process
communication between two threads of same process
none of the mentioned
Interprocess Communication (IPC) is a communication mechanism that allows processes to communicate with each other and synchronise their actions without using the same address space. IPC can be achieved using shared memory and message passing.
Author:
rikazzz
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