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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
Define Virtual memory Virtual memory is employed in all major commercial operating systems
Q. Why is it important to scale up system bus and device speeds as the CPU speed increases? Answer: Consider a system which carries out 50% I/O and 50% computes. Doubling-up
BEST FIT ALGORITHM Here scanning is for the finest fit one. Signifies it searches the entire list for the best fit position. For the process therefore in that the process will
___paging fecthces a page only when needed
Discuss in detail Table management Techniques? An Assembler employs the subsequent tables: OPTAB: Operation Code Table consists of mnemonic operation code and its machi
What is the main difficulty that a programmer must overcome in writing an operating system for a real-time environment? The main difficulty is keeping the operating system with
How Memory utilization factor shall be computed Memory utilization factor shall be defined as Memory in use/total memory connected
Placement algorithms :calculate where in available real-memory to execute a program. Common functions are next-fit, first-fit, and best-fit. Replacement algorithms :are
Determine a policy that is not a valid page replacement policy? RU policy (Recurrently used) is not a valid page replacement policy.
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
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