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Explain the Real Time Operating System
A real-time operating system comprises definite, fixed time constraints. Processing should be done in the defined constraints, or the system will fail. A real time system is referred to function correctly only if it returns the correct result in any time constraints. Thus the subsequent features are desirable in a real-time operating system:
a. Multi-tasking within an application
b. Ability to define the priorities of tasks
c. Priority driven or deadline oriented scheduling
d. Programmer defined interrupts.
What is starvation? A main problem related to deadlock is starvation. Starvation is the circumstances where process waits indefinitely within the semaphore. Indefinite blocking
Consider a demand-paging system with the following time-measured utilizations: CPU utilization: 10%, Paging disk: 98%, Other I/O devices: 5%. What does this imply? How to improv
what operating system mean
1. A digitized voice channel is made by digitizing a 7 KHz bandwidth analog signal. The signal is to be sampled twice the highest frequency (two samples per hertz) . Assume each sa
Explain the various methods for handling deadlocks. A set of processes is deadlocked if every process in the set is waiting for an event that only a process in the
List operations to be performed on directories. Search for a file, delete a file, create a file, list a directory, rename a file, and traverse the file system.
Entry-sequenced file organization The records in an entry-sequenced file are store up in the order they are written into the file. New records are for all time appended to
Ask question #Minimum 100 words accepted application of bounded and unbounded buffers
What is the kernel? A more common explanation is that the OS is the one program running at all times on the computer usually known as the kernel, with all else being applicati
Q. Why is it important to scale up system bus and device speeds as the CPU speed increases? Answer: Consider a system which carries out 50% I/O and 50% computes. Doubling-up
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