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What are the services provided by the operating systems?
Program Development
It provides a variety of services and facilities, such as debuggers and editor, to help the programmer in creating programs.
Program execution
It handles scheduling duties like implementation of programs and loading instruction and data into the main memory. Initializing files and I/O device.
Access to I/O devices
OS provides a uniform interface that covers the inner details, thus that the programmer can access any device using simple read and writes.
Controlled access to files
For multiple users it provides protection system to access the file. It controls the right to use of the system and resources. It protects data and resources from unauthorized users.
Error detection and response
OS provides response that clears both external and internal hardware errors.
What is Multitasking? Multitasking provides power to users by offering them to run multiple applications at once. The applications are loaded into memory and appear to the user
Page Fault Handling conditions like, where the copy on write bit of a page is set and that page is send by more than one process, the Kernel assign new page and copies the conten
i need the job to be done within 3 days
What are the operations of processes? Process creation A process may create several new processes. The creating process is called as parent process, where as the new proce
What are the different thread levels? There are two broad type of thread implementation: User-Level Threads -- Thread Libraries. Kernel-level Threads -- System Calls.
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What do you understand by “line balancing”? What happens if balance doesn’t exist?
a program that can do cpu scheduling algorithm priority using javascript or php to display gaant chart and calculate waiting and average waiting time
Q. The Sun Ultra SPARC processor has numerous register sets that describe the actions of a context switch if the new context is previously loaded into one of the register sets. Wha
FIFO page replacement This is the easiest page replacement algorithm. Here the 1 st page toward the inside is the 1 st to leave that is the oldest page leaves. To execute th
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