Electrofriends

C program to find the Shortest path for a given graph

by Ranjith | September 20th, 2009.

OUTPUT:
enter the cost matrix :
0 1 4 2 0
0 0 0 2 3
0 0 0 3 0
0 0 0 0 5
0 0 0 0 0
enter number of paths : 4
enter possible paths :
1 2 4 5 0
1 2 5 0 0
1 4 5 0 0
1 3 4 5 0
minimum cost : 4
minimum cost path :
1–>2–>5

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C program for SJF CPU Scheduling Algorithm

by Ranjith | September 20th, 2009.

OUTPUT:
enter no of processes: 5

enter process1 name: aaa
enter process time: 4
enter process2 name: bbb
enter process time: 3
enter process3 name: ccc
enter process time: 2
enter process4 name: ddd
enter process time: 5
enter process5 name: eee
enter process time: 1

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C program for Round Robin CPU Scheduling Algorithm

by Ranjith | September 20th, 2009.

INPUT :
enter the process name : aaa
enter the processing time : 4
enter the process name : bbb
enter the processing time : 3
enter the process name : ccc
enter the processing time : 2
enter the process name : ddd
enter the processing time : 5
enter the process name : [...]

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C program for finding remainder

by Ranjith | September 20th, 2009.

OUTPUT:
enter frame:
1 0 1 1 0 1 0 0
enter generator:
1 0 1 0
remainder is:
0 0 1 0

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C Program for Priority CPU Scheduling Algorithm

by Ranjith | September 19th, 2009.

OUTPUT:
enter no of processes: 5
enter process1 name: aaa
enter process time: 4
enter priority:5
enter process2 name: bbb
enter process time: 3
enter priority:4
enter process3 name: ccc
enter process time: 2
enter priority:3
enter process4 name: ddd
enter process time: 5
enter priority:2
enter process5 name: eee
enter process time: 1
enter priority:1
p_name P_time priority w_time
eee 1 1 0
ddd 5 2 1
ccc 2 3 6
bbb 3 4 [...]

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C Program for Optimal Page Replacement Algorithm

by Ranjith | September 19th, 2009.

OUTPUT :
2 -1 -1
2 3 -1
2 3 -1
2 3 1
2 3 5
2 3 5
4 3 5
4 3 5
4 3 5
2 3 5
2 3 5
2 3 5

no of page faults : 3

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C program for LRU page replacement algorithm

by Ranjith | September 19th, 2009.

OUTPUT :
2 -1 -1
2 3 -1
2 3 -1
2 3 1
2 5 1
2 5 1
2 5 4
2 5 4
3 5 4
3 5 2
3 5 2
3 5 2
no of page faults : 4

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Program for FIFO page replacement algorithm

by Ranjith | September 19th, 2009.

OUTPUT :
2 -1 -1
2 3 -1
2 3 -1
2 3 1
5 3 1
5 2 1
5 2 4
5 2 4
3 2 4
3 2 4
3 5 4
3 5 2

Number of page faults : 6

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C Program for FCFS CPU scheduling algorithm

by Ranjith | September 19th, 2009.

OUTPUT:
enter no of processes: 5

enter process1 name: aaa
enter process time: 4
enter process2 name: bbb
enter process time: 3
enter process3 name: ccc
enter process time: 2
enter process4 name: ddd
enter process time: 5
enter process5 name: eee
enter process time: 1

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Program for Deadlock detection algorithm

by Ranjith | September 19th, 2009.

INPUT:
enter total no. of processes : 4
enter claim matrix :
0 1 0 0 1
0 0 1 0 1
0 0 0 0 1
1 0 1 0 1
enter allocation matrix :
1 0 1 1 0
1 1 0 0 0
0 0 0 1 0
0 0 0 0 0
enter resource vector :
2 1 1 2 1
enter the availability vector [...]

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