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Operating System
1081
Computer Science Fundamentals
998
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OS Protection
What is false regarding Back-Pointers scheme to revoke capability?
List of pointers is maintained with each object
When revocation is required these pointers are followed
This scheme is not adopted in MULTICS system
These point to all capabilities associated with that object
Author:
rikazzz
Comment
Computer Science Fundamentals
Testing is conducted by the developers in testing phase.
True
False
The statement is false. Testing is conducted by the testers in testing phase. Testing is a process of finding the defects from a user perspective(Black Box Testing).
Author:
rikazzz
Comment
OS Security
What does Light Directory Access Protocol (LDAP) doesn’t store?
Users
Address
Passwords
Security Keys
Author:
rikazzz
Comment
OS File Systems and Their Implementation
The data structure used for file directory is called ____________
mount table
hash table
file table
process table
Author:
rikazzz
Comment
OS Real Time Operating Systems(RTOS)
The most effective technique to keep dispatch latency low is to ____________
provide non preemptive kernels
provide preemptive kernels
make it user programmed
run less number of processes at a time
Author:
rikazzz
Comment
OS The Linux System
If a thread invokes the exec system call ____________
only the exec executes as a separate process
the program specified in the parameter to exec will replace the entire process
the exec is ignored as it is invoked by a thread
none of the mentioned
Author:
rikazzz
Comment
OS Memory Management
The page table contains ____________
base address of each page in physical memory
page offset
page size
none of the mentioned
Author:
rikazzz
Comment
Computer Science Fundamentals
Convert the binary equivalent 10101 to its decimal equivalent.
21
12
22
31
To convert a binary number to its decimal equivalent follow these steps :
Author:
rikazzz
Comment
OS Multimedia Systems
The EDF scheduler uses ________ to order requests according to their deadlines.
stack
disks
queue
none of the mentioned
Author:
rikazzz
Comment
OS Multimedia Systems
The hybrid algorithm that combines EDF with SCAN algorithm is known as ___________
EDS
SDF
SCAN-EDF
None of the mentioned
Author:
rikazzz
Comment
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