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1) Consider the following set of processes which arrive in the ready queue at the same time:

Process        CPU time
P1                  2
P2                  5
P3                  2
P4                  1
P5                 4

 Consider the following scheduling algorithms:

First Come First Serve (FCFS), Shortest job first (SJF) and Round Robin (quantum = 1)

• Compute turnaround time of each process for each of the above scheduling algorithms?

• Compute waiting time of each process for each of the above scheduling algorithms?             

2) prepare a shell program to convert decimal number to its hexadecimal equivalent.     

3) Construct Context Free Grammar for the “While” and “Switch” Statement of C Language.   

4) Compare and contrast the significant features of WINDOWS VISTA and UBUNTU (Linux) operating system.                              

5) prepare shell program to determine sum of alternate digits in a given 5 digit number. Also, draw flow chart for the program.

6) describe advantages and disadvantages of using stream-oriented approach in UNIX system rather than record-oriented approach.

7) prepare UNIX commands for the following tasks:

(a) To print location of first difference after comparing 2 files.

(b) To search files for lines that match a particular string pattern given.

(c) To search for the given pattern in a file and display its count.

(d) To append contents of file1, file2 to file3.

Computer Engineering, Engineering

  • Category:- Computer Engineering
  • Reference No.:- M92311

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