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Interrupts
The hardware mechanism that enables a device to inform the CPU is called an interrupt. The basic interrupt mechanism works as follows. The CPU hardware has a wire known as the interrupt-request line that the CPU senses after implementing every instruction.
Sir i want formulas in Memory management starting from paging till the demang paging in a easy manner for solving problems in competitive exams
How many disk operations are needed to fetch the i-node for the file /usr/ast/courses/os/handout.t? Assume that the i-node for the root directory is in memory, but nothing else alo
Unix process API The two most important function calls to use when programming with several processes are fork and exec: fork() creates a copy of current process. It gives
In modern operating systems, applications do not directly access the physical memory. Instead, they use so-called virtual memory, where each virtual address is translated to a phys
Define UnixWare UnixWare manages resources at the process level. Each resource allocated to the application is actually allocated to the process representing the application. C
What is a Latency Time Latency Time is the time required through a sector to reach below read/write head.
how does it works
Conservative GC can be used for languages such as C and C++, which were not explicitly designed for garbage collection. This is a non-copying technique. A conservative garbage coll
What is the exclusive feature of UNIX Shell is the exclusive feature of UNIX.
explain how response time are reduced by allowing time sharing on top of multiprogramming
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