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List one advantage and one disadvantage of having large block size.
Ans: Advantage: By using a huge block of memory is maximum process's accommodation that resulting is less no. of page faults.
Disadvantage: Use a large block of memory is internal fragmentation's incidence that is allocated memory may be slightly larger than requested memory. For example: assume that memory is assigned in blocks of 4K, single one 1K process will waste 3K of space into its partition that is a 5K process.
What is low-level formatting? Before a disk can store data, it must be divided into sectors that the disk controller can read and write. This process is known as low-level for
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Design a circuit which computes the square of a number? This should not make use of any multiplier circuits. This should use Multiplexers and some other logic as: 1^2=0+1=1
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