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Define request edge and assignment edge.
Answer: A directed edge from process Pi to resource type Rj is denoted by Pi->j; it signifies that process Pi requested an instance of resource type Rj and is currently waiting for that resource. A directed edge from resource type Rj to process Pi is denoted by Rj->Pi, it signifies that an instance of resource type has been allocated to a process Pi. A directed edge Pi->Rj is called a request edge. A directed edge R->Pi is called as an assignment edge.
Q. Which of the subsequent instructions should be privileged? a) Read the clock b) Clear memory c) Set value of timer d) Issue a trap instruction e) Turn off interr
Compare user threads and kernel threads. User threads:- User threads are supported above the kernel and are executed by a thread library at the user level. Thread creation
explain function of computer operating system?
What are the operations that can be performed on a directory? The operations that can be performed on a directory are Search for a file Create a file Delete a
The principle is that of ordinary addition; however remember the highest number is 1. Calculate the following: 11001 + 11
What is sector sparing? Low-level formatting also sets aside extra sectors not visible to the operating system. The controller can be told to change each bad sector logically w
Q. Some untimely computers protected the operating system by placing it in a memory partition that couldn't be modified by either the user job or the operating system itself. Expl
Process States A total of nine states are acknowledged by the UNIX system. They are like as follow: User running Executing
advantages
Since each thread has its own processing space therefore communication between threads will need to be done through a common global variable. Since multiple threads can access the
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