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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.
What is the benefits OS co-operating process? Information sharing. Computation speeds up. Modularity. Convenience.
What are the functions of virtual file system (VFS)? a. It separates file-system-generic operations from their execution defining a clean VFS interface. It permits transparent
Paging full question
Determine the syntax of the assembler directive EQU The following is syntax of the assembler directive EQU: EQU
Q. Is there any way to execute truly stable storage? Describe your answer. Answer: Truly steady storage would never lose data. The fundamental technique for steady storage is
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
Compare contiguous-memory allocation with pure paging in the following aspects: 1. In support of dynamic memory allocation: most systems allow programs to allocate more memory t
linked allocation using i node
Suppose a logical address space is 1KB, and the page-size is 16 bytes. Assume no page is in the main memory for this process initially and the pure demand paging is used. Current f
Develop a utility in C language which will run in Linux operating systems to display following properties of the system: ? Processor speed ? Ram size ? Computer name ? System time
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