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Define the Executor (Worker Thread)
The responsibility of the Executor (or Worker Threads) is to execute instructions on behalf of a client-server connection. The Executor must designed to process requests sent from client Workstations. The Worker Thread is accountable for executing instructions (or performing work) for the client application. It is also responsible for sending and receiving data back and forth to the client station. Actually, the Worker Thread will make requests into the SCM for these data-transmission requests.
What is an I/O subsystem? The control of devices connected to the computer is a main issue while designing operating systems. Because I/O deices differ widely in their function
Q. List the four steps that are essential to run a program on a completely dedicated machine. Answer: a) Reserve machine time b) Manually load program into memory c)
What is spooling? Spooling overlaps the I/O of single job with the computation of other jobs.
Indexed allocation Indexed allocation bringing all the pointers together into one location: the index block. Every file has its own index block, which is an array of disk-block
Q. Distinguish among PCS and SCS scheduling. Answer: PCS scheduling is completed local to the process. It is how a thread library schedules threads onto available LWPs. SCS sch
TURNAROUND TIME
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
LRU approximation page replacement In this we are able to use the reference bit associated with the page entry to choose a page to be removed. The various algorithms used for
A UNIX file system has 1-KB blocks and 4-byte disk addresses. What is the maximum file size if i-nodes contains 10 direct entries, and one single, double, and triple indirect entry
expalin about the design issues of network operating system
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