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Operating System
1081
Computer Science Fundamentals
998
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OS File Systems and Their Implementation
What is the major disadvantage with a linked allocation?
internal fragmentation
external fragmentation
there is no sequential access
there is only sequential access
Author:
rikazzz
Comment
Computer Science Fundamentals
The storage capacity of an optical disk is given by:
Number of sectors * number of bytes per sector
Number of sectors * 2(number of bytes per sector)
Number of sectors * 3(number of bytes per sector)
Number of sectors * 0.5(number of bytes per sector)
The storage capacity is given by the formula in option a. The most popular disk uses a disk of 5.25 inch diameter with a storage capacity of around 650 megabytes.
Author:
rikazzz
Comment
Computer Science Fundamentals
What is NaN in IEEE standards?
Not arithmetic
Not a negation
Not a number
Not a Node
It stands for not a number in IEEE standards. A NaN is obtained whenever a result id indeterminate like whenever anything is divided by 0.
Author:
rikazzz
Comment
OS The Linux System
The first linux kernel which supports the SMP hardware?
linux 0.1
linux 1.0
linux 1.2
linux 2.0
Author:
rikazzz
Comment
OS File Systems and Their Implementation
Anonymous access allows a user to transfer files _____________
without having an account on the remote system
only if he accesses the system with a guest account
only if he has an account on the remote system
none of the mentioned
The world wide web uses anonymous file exchange almost exclusively.
Author:
rikazzz
Comment
OS Security
Which of the following is a good practice?
Give full permission for remote transferring
Grant read only permission
Grant limited permission to specified account
Give both read and write permission but not execute
Limited access is a key method to circumvent unauthorized access and exploits.
Author:
rikazzz
Comment
Computer Science Fundamentals
Middleware has enabled the production of various types of smart machines having microprocessor chips with embedded software.
True
False
The statement is false. Firmware is designed for this purpose and not middleware. A middleware is for providing abstraction in programming.
Author:
rikazzz
Comment
OS The Linux System
A thread shares its resources(like data section, code section, open files, signals) with ___________
other process similar to the one that the thread belongs to
other threads that belong to similar processes
other threads that belong to the same process
all of the mentioned
Author:
rikazzz
Comment
OS Deadlocks
Which one of the following is the deadlock avoidance algorithm?
banker’s algorithm
round-robin algorithm
elevator algorithm
karn’s algorithm
Author:
rikazzz
Comment
Computer Science Fundamentals
A planned program if work that requires a definitive amount of time, effort and planning to complete.
Problem
Project
Process
Program
The answer is Project. A project is a program which is something which is planned and needs effort and time to complete.
Author:
rikazzz
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