OS Distributed Communication

Information Service Request

Interrupt Service Request

Interrupt Service Routine

Information Service Routine

High speed devices(disks and communications network)

Low speed devices

Utilizing CPU cycles

All of the mentioned

Saving the current state of the system

Loading the interrupt handling code and executing it

Once done handling, bringing back the system to the original state it was before the interrupt occurred

All of the mentioned

Sending signals to CPU through a system bus

Executing a special program called interrupt program

Executing a special program called system program

Executing a special operation called system call

Multiprocessing, Multiprogramming

Multiprogramming, Uniprocessing

Multiprogramming, Multiprocessing

Uniprogramming, Multiprocessing

hardware generated interrupt caused by an error

software generated interrupt caused by an error

user generated interrupt caused by an error

none of the mentioned

shared data structures

procedures that operate on shared data structure

synchronization between concurrent procedure invocation

all of the mentioned

the queue can store at least one message

the sender blocks until the receiver receives the message

the sender keeps sending and the messages don’t wait in the queue

none of the mentioned

A communication link can be associated with N number of process(N = max. number of processes supported by system)

A communication link can be associated with exactly two processes

Exactly N/2 links exist between each pair of processes(N = max. number of processes supported by system)

Exactly two link exists between each pair of processes

transmits the message to the server where the server side stub receives the message and invokes procedure on the server side

packs the parameters into a form transmittable over the network

locates the port on the server

all of the mentioned