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Q. Define Input - Output operations?
Serial lines, Disks, tapes and other devices should be communicated with at a very low level. The user require only specify the device and the operation to perform on it while the system converts that request into device- or controller-specific commands. User-level programs can't be trusted to access merely devices they should have access to and to access them only when they are otherwise unused.
The term ‘page traffic’ explains Page traffic’ explains the movement of pages in and out of memory.
DESIGN GOALS OF WINDOWS XP.DESCRIBE IN DETAIL.
breifly write a note on about evolution of operating system?
Q. What is the use of system calls? Answer: System calls permit user-level processes to request services of the operating system.
Q. Explain the File-system manipulation? File-system manipulation there is several details in file allocation, creation, deletion and naming that users should not have to perfo
acyclic graph directories
What is an acyclic graph? A tree that has been corrupted by links to other branches, but does not have any cyclic paths in it.
A hard-disk drive reads “120 GB HDD 7200 rpm 3 GB/sec transfer rate”. If the drive has a sector size of 512 bytes, what is the average rotational latency and transfer time to read
What is single and multithreading and thread pool?
The term IPC (Inter-Process Communication) defines several paths by which different process executing on some operating system interact between each other.
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