Vignan's Institute of Info. Tech.

Vignan's Institute of Info. Tech.

Saturday, 16 November 2013

CD lab programs

The file is in .zip format....after extracting u will get files of different formats ('.l' '.y'...etc)
to open.....
step 1)Right click on the file
       2)click>open with
       3)select notepad>ok

download link

OS unit 8

OS text manual with solutions

The filae is in rar format....unrar it to use.

download link

OS question papers

The file is in .rar format.....unrar it
.
.
 download link

Wednesday, 6 November 2013

OS Unit-1 Exam Questions



1. a) What is multiprogramming? Explain.
b) What are the responsibilities of OS in file management?

2. What is a system call? Explain in brief the types of system calls provided by OS.
3. a) Discuss about the operating system components
4. a) Explain the terms multiprogramming and multitasking.
5. a) List and explain the different operating system services.

Wednesday, 18 September 2013

CN important questions

Unit-1

-OSI Model
-TCP/IP Model
-Types of Addressing

Unit-2

-Write any 3 differences b/w virtual circuits & datagram subnets?

Unit-3

-CRC (theory and problems)
-Simplex stop & wait protocol
-Unrestricted simplex protocol
-Checksum problem (internet checksum also)

Unit-4

-HDLC
     Frame formats
-Explain Piggy Bagging
-Explain GoBack N protocol