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The principle is that of ordinary addition; however remember the highest number is 1. Calculate the following: 11001 + 11010 Answer: 11001 + 11010 110011 Subtraction of binary is difficult, however uses 2 compliment it is easier.
Calculate the following: 110011- 11010 Answer: Step One: Invert 11010 and add 1 11010 -> 00101 + 1 = 00110 Step two: Replace -11010 with 00110 and add 110011+ 00110 Step three: Remove msb = 110012
Partitions and mounting A disk can be sliced into many partitions, or a partition can span multiple disks. Every partition can be either "raw", having no file system, or "cooke
Question 1: a) State the different file attributes and briefly explain the operations that can be performed on each files. b) What is a semaphore? Describe why it is impor
What is sector sparing? Low-level formatting also sets aside extra sectors not visible to the operating system. The controller can be told to change each bad sector logically w
What is paging? Paging is a memory management scheme that authorizes the physical-address space of a process to be noncontiguous. Paging evades the considerable problem of fi
FIFO page replacement algorithm with example
What is the kernel? A more common explanation is that the OS is the one program running at all times on the computer usually known as the kernel, with all else being applicati
What are race conditions? Race conditions are problems that take place due to the sharing of the same file by several processes. In such a case none of the processes is able to
Determine what the expansion of nested macro calls follows The expansion of nested macro calls follows the Last in First out (LIFO) rule.
how copy on write on pages when many process works at a same time?
how does DMA increase system concurrency
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