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Computer Science
Real Time Operating System
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Q.1
Process means
Program in execution
Program not in execution
Q.2
Task means
Work to be done or a program
A primitive
Q.3
VxWorks is an example for
Real time OS
General purpose OS
Real to me OS
Q.4
In MicroKernel
Only essential kernel services are used
All kernel services are used
Q.5
In Monolithic Kernel
All kernel services are used
Only essential kernel services are used
Q.6
In C programming, return value 0 means
Successful
Unsuccessful
Q.7
POSIX stands for
PORTABLE OS INTERFACE
Non-Portable OS INTERFACE
Q.8
Automatic teller machine is an example of
Hard real time system
Soft real time system
Q.9
Threads are
Primitives
Entire program
Q.10
Windows XP is an example for
General purpose OS
Real time OS
Q.11
How many OS types are there
2
3
5
Q.12
A bridge between user & system resources is
OS
Oh yes
As
Qs
Q.13
The core of the OS is
Kernel
Kamal
Caramel
Q.14
Identify the two memory spaces wrt OS
Kernel space & user space
No separate space at all
Public space & private space
Q.15
What type of RTS do you need for a system that sounds an alarm when a temperature sensor exceeds a threshold?
Hard
Soft
Firm
No idea
Q.16
What type of RTS do you need for a video decoder?
Hard
Soft
Firm
No idea
Q.17
What type of RTS do you need for the opening mechanism of a dish washer?
Hard
Soft
Firm
No Idea
Q.18
Which sempahore is also reffered as Mutex -
Binary
counting
Q.19
Task synchronization issues are
Racing and Deadlock
Racing only
Deadlock only
Q.20
Deadlock conditions are
(Mutual exclusion, hold & wait, No resources pre-emption, circular wait)
Mutual exclusion only
hold & wait only
0 h : 0 m : 1 s
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