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What is the use of boot block?
For a computer to begin running when powered up or rebooted it requires having an initial program to run. This bootstrap program tends to be easy. It finds the operating system on the disk loads that kernel into memory and jumps to a first address to start the operating system execution. The full bootstrap program is kept in a partition called the boot blocks, at fixed location on the disk. A disk that has boot partition is known as boot disk or system disk.
what is dual mode operation
Q. Explain about Operating System Services? An operating system offers services to programs and to users of those programs. It provided by one environment for execution of
Write pseudo code to implement the pthread_create wrapper of the Tern memoizer. Note you need to describe your data structure for maintaining deterministic thread IDs. In addition,
Explain briefly the working of semaphore with example ? The E.W. Dijkstra (1965) abstracted the key idea of mutual exclusion in his concepts of semaphores. Definition A s
explain about oprating system services and topics briefly
Discuss the high barriers to entry in the market for PL operating systems
Q. What is the use of system calls? Answer: System calls permit user-level processes to request services of the operating system.
Identifying parallelism A formal way to identify parallelism in an activity is to draw a task dependence graph in a directed graph in which each vertex represents a task to
Page fault is a trap to the software gained by the hardware when a process accesses a page that is goes in the virtual address space, but not added in physical memory. In the har
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