Describe the buddy system of memory allocation, Buddy system of memory allo...

Buddy system of memory allocation Free memory is used to maintain in linked lists, each of similar sized blocks. Every block is of size 2^k. When some memory is needed by a th

Quantum settings denoted by q, Determining the time quantum for a job is a ...

Determining the time quantum for a job is a critical task. Given the assumptions that the average switching time between processes is s, and the average amount of time an I/O bo

What is busy waiting?, What is busy waiting? When strict alteration is ...

What is busy waiting? When strict alteration is done there may take place situation like two processes setting their flag as true. Therefore both of the processes have equal pr

Competing process, describe competing process

describe competing process

Define process? what is meant by state of a process?, Define process? What ...

Define process? What is meant by state of a process? Process is a program in implementation. A process in general includes the process stack, which consists temporary data and

Write on short note dma., Write on short note DMA. Direct M emory...

Write on short note DMA. Direct M emory Access (DMA) is a technique for transferring data from  main to a device without passing it through the CPU. Computers that have

Explain process states in the unix system, Process States A total of n...

Process States A total of nine states are acknowledged by the UNIX system. They are like as follow: User running                                                   Executing

Use threads and Semaphores, Unisex Restroom Problem

Unisex Restroom Problem

Buffering,

OS is a resource allocator and control program, why we say OS is a resource...

why we say OS is a resource allocator and control program