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What is an I/O subsystem?
The control of devices connected to the computer is a main issue while designing operating systems. Because I/O deices differ widely in their function and speed, varied methods are required to control them. These processes form the I/O subsystem of the kernel, which divide the rest of the kernel from the managing I/O devices
Computing uses three number bases:- Binary (base 2), Octal (base 8) and Hexadecimal (base 16). Binary has been described before, although various catchphrases are used to describe
Define swapping. A process requires being in memory to be executed. Though a process can be swapped temporarily out of memory to a backing store and then brought back into memo
Q. Suppose an operating system maps user-level threads to the kernel utilizing the many-to-many model where the mapping is done through the use of LWPs. In addition the system allo
Write about directory structure?
How free-space is managed using bit vector implementation? The free-space list is implemented as a bit map or bit vector. Each block is shown by 1 bit. If the block is free, th
UNIX Shell and History feature. 1.Creating a child process. 2.Creating a history feature. With the notes under code. Its exactly "programming project 1 - Unix Shell and History Fea
List the four steps that are essential to run a program on a completely dedicated machine. a. Reserve machine time. b. Manually load program into memory. c. Load starting
What is logical address space and physical address space? The set of all logical addresses formed by a program is known as a logical address space; the set of all physical addr
Question: (a) Explain the similarities and differences between two different threads running in the same process and two independent processes. When would you want to use two t
What are the two principles in Hungarian method?
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