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What are the disadvantages of FCFS scheduling algorithm as compared to shortest job first (SJF) scheduling?
Disadvantages:
(i) Waiting time can be huge if short requests wait behind the long ones.
(ii) This is not appropriate for time sharing systems where this is significant that each user should find the CPU for an equal amount of time interval.
(iii) An appropriate mix of jobs is required to achieve good results from FCFS scheduling.
Define rotational latency and disk bandwidth. Rotational latency is the additional time waiting for the disk to rotate the desired sector to the disk head. The disk bandwidth i
What are the gates required to build a half adder ? Ans. The gates needed to build a half adder are EX-OR gate and AND gate as shown below the logic diagram of half adder:
usability of union
Q. What basic concepts of evolution are used by the genetic algorithm? ANSWER: The three concepts are selection, crossover and mutation. Selection is the feature of a genetic a
Write a subroutine in C for toggling the cursor using old directives. ; ; use small memory model for C - near code segment _DATA SEGMENT WORD 'DATA' CURVAL EQU [B
Q. Explain about CD-ROM and DVD-ROM? Optical disks employ Laser Disk Technology that is the latest and most promising technology for high capacity secondary storage. Advent of
DLQ - Dead Letter Queue If an application tries to put a message to one more application and if it is not delivered then it goes to the DLQ. So DLQ is not anything but all und
what can be the good projects for system software subject
Explain about the term E-brokerage briefly. An e-brokerage is an investment house which allows you to buy and sell stocks and acquire investment information through its Web sit
Q. Describe the Limitation of FAT16? DOS designers decided to use clusters with as a minimum four sectors in them (so a cluster size of at least 2KB) for all FAT16 hard disks.
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