Given below is a program which when executed spawns two concurrent processes : semaphore $X : = 0 ;$ /* Process now forks into concurrent processes $P1$ & $P2$ */ $\begin... 2 answers 2 Which of the following DMA transfer modes and interrupt handling mechanisms will enable the highest I/O band-width? Transparent DMA and Polling interrupts Cycle-stealing ... 6 answers 3 Consider the$3$processes,$P1, P2$and$P3$shown in the table.$$\small \begin{array}{|c|c|c|} \hline \textbf{Process} & \textbf{Arrival Time} & \textbf{Time Units Req... 5 answers 4 A CPU has two modes -- privileged and non-privileged. In order to change the mode from privileged to non-privileged a hardware interrupt is needed a software interrupt is... 12 answers 5 A processor uses$36$bit physical address and$32$bit virtual addresses, with a page frame size of$4$Kbytes. Each page table entry is of size$4\$ bytes. A three level...