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Question:
(a) Briefly discuss and describe the possible RMI invocation semantics.
(b) (i) What is data marshaling?
(ii) Explain the role of a remote object reference during marshaling and unmarshalling, at both clients and servers, in an RMI system.
(iii) By using examples, distinguish between a local method invocation and a remote method invocation.
(c) Explain the benefits of middleware to distributed systems programmers, providing an example for each benefit.
(d) What are stub and skeleton and why are they needed in remote procedure calls?
Describe paging technique used in UNIX systems. When a process begin in UNIX, not every its memory pages are read in from the disk at once. In its place, the kernel loads into
Define the features are needed to implement top down parsing Source string marker, Prediction making mechanism and Matching and Backtracking mechanism
Determine a parser which is a variant of top-down parsing without backtracking Recursive Descend parser is a variant of top-down parsing without backtracking.
Usually memory is allocated from a large pool of unused memory area called the heap. In C++, dynamic allocation/deallocation must be manually performed using commands like malloc,
Q. When a process creates a fresh process using the fork() operation which of the following state is shared among the parent process and the child process? 1 Stack 2 Heap
EXPLAIN THE SCAN SHUDDULING WITH DIAGRAM
Which are the different states of a process? Different status of a process is: New: When the process is created. Running: When instructions are executed. Wait
Explain the Statements Present in Assembly Language An assembly program consists of subsequent three types of statements: a. Imperative statements: this point out an action
explain the link between operations management and strategic planning of daily goods shop
Problem: (a) Modern operating systems are interrupt driven. If there are no processes to execute, no I/O devices to service, and no users to whom to respond, an operating syste
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