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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
Determine how Action implementing instruction’s meaning are a actually carried out Action implementing meaning of instruction are a actually carried out Instruction executio
KERNEL ACTIVITY FOR ULTS: The kernel isn't aware of thread activity but it is still managing process activity. When a thread compose a system call the whole process will be bl
What are the system components of an operating system and explain them? a) Process management b) Main-memory management c) I/O management d) File management e) Seco
Write a note about Directory structure with examples. The FreeBSD directory hierarchy is basic to obtaining an overall understanding of the system. The most significan
Explain about demand paging? A demand paging system is same to a paging system with swapping. Processes reside on secondary memory. When we require executing a process, we chan
Q. Why would it be an awful idea for gateways to pass broadcast packets between networks? What would be the merite of doing so? Answer: All broadcasts would be spreads to all
Operating Systems 1. Illustrate the Microkernel Architecture with suitable diagram. 2. When Deadlock occurs? What are the Necessary Conditions for Deadlock? 3. Describe f
Explain Busy Waiting Semaphores Weak, Busy-wait Semaphores a) The simplest way to implement semaphores. b) Useful while critical sections last for a short time, or we com
Lexical substitution during macro expansion Lexical substitution is employed to produce an assembly statement from a model statement. A model statement contains 3 types of stri
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