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Discuss difference between symmetric and asymmetric multiprocessing
Symmetric multiprocessing (SMP), in which every processor runs an identical copy of the operating system and these copies, communicate with one another as required.
Asymmetric multiprocessing, in which every processor is assigned an exact task. The master processor controls the system; the other processor looks the master.
What is a sequential file? A file that is read one record or block or parameter at a time in order, based on a tape model of a file.
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
What is dispatch latency? The time taken by the dispatcher to stop one process and begin another running is known as dispatch latency.
What is the use of boot block? For a computer to begin running when powered up or rebooted it requires having an initial program to run. This bootstrap program tends to be easy
Safety algorithm : This is to make sure if the system is in safe state or not. It may need an order of m x n2 operation to determine if the state of the system is safe or not.
OPERATING SYSTEM 1. Describe the term operating system. Write down the functions of operating system. 2. Explain Thread? Write down the advantages and disadvantages of threa
Define spooling. A spool is a buffer that holds output for a device, like printer, that cannot accept interleaved data streams. When a request finishes printing, the spooling s
What is meant by context switch? Switching the CPU to another process needs saving the state of the old process and loading the saved state for the latest process. This task is
Q. Polling for an I/O completion is able to waste a large number of CPU cycles if the processor iterates a busy-waiting loop several times before the I/O completes. However if the
Thermostats are subjected to rigorous testing before they are shipped to air conditioning technicians around the world. Results from the last five samples are shown in the table. D
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