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OS Distributed Communication
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OS Distributed Communication
In the layered approach of Operating Systems __________
Bottom Layer(0) is the User interface
Highest Layer(N) is the User interface
Bottom Layer(N) is the hardware
Highest Layer(N) is the hardware
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
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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OS Distributed Communication
To differentiate the many network services a system supports ______ are used.
Variables
Sockets
Ports
Service names
Author:
rikazzz
Comment
OS Distributed Communication
In an interrupt driven input/output __________
the CPU uses polling to watch the control bit constantly, looping to see if a device is ready
the CPU writes one data byte to the data register and sets a bit in control register to show that a byte is available
the CPU receives an interrupt when the device is ready for the next byte
the CPU runs a user written code and does accordingly
Author:
rikazzz
Comment
OS Distributed Communication
What is the full form of RMI?
Remote Memory Installation
Remote Memory Invocation
Remote Method Installation
Remote Method Invocation
Author:
rikazzz
Comment
OS Distributed Communication
A process that is based on IPC mechanism which executes on different systems and can communicate with other processes using message based communication, is called ________
Local Procedure Call
Inter Process Communication
Remote Procedure Call
Remote Machine Invocation
Author:
rikazzz
Comment
OS Distributed Communication
Restricting the child process to a subset of the parent’s resources prevents any process from __________
overloading the system by using a lot of secondary storage
under-loading the system by very less CPU utilization
overloading the system by creating a lot of sub-processes
crashing the system by utilizing multiple resources
Author:
rikazzz
Comment
OS Distributed Communication
Remote Procedure Calls are used ____________
for communication between two processes remotely different from each other on the same system
for communication between two processes on the same system
for communication between two processes on separate systems
none of the mentioned
Author:
rikazzz
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