Advertisements
Advertisements
प्रश्न
What are the different method by which virus can infect other programs ?
Advertisements
उत्तर
Infection Methods:
(a) Append: In this method viral code appends itself to the unaffected program.
(b) Replace: In this method viral code replaces original executable program completely or partially.
(c) Insert: In this method the viral code is inserted in the body of an executable code to carry out some funny actions.
(d) Delete: In this case viral code deletes some codes from executable program.
(e) Redirect: In this case the normal control flow of a program is changed to execute some other code.
APPEARS IN
संबंधित प्रश्न
Give three differences between WORM and VIRUS.
Explain Multiuser and Time Sharing Operating Systems.
.....................is an Operating System.
(i) VBSCRIPT
(ii) UNIX
(iii) c
(iv) BASIC
Explairt the process of Multiprogramming in Process Management with help of an example.
What functions are performed by Memory Management of Operating System?
State any four Memory Management System.
What is VDU?
Explain following terms of VDU: Intelligent Terminal
What is Graphical User Interface (GUI) ?
Explain the different elements of security.
Explain following terms in case of Process Scheduling
1) Turn-around Time
2) Waiting Time
3) Terminal Response Time
4) Event Response Time
List any six features of LINUX Operating System.
Write a short note on Paging.
Complete the following activity.

Name the following and complete the diagram.

The Operating system is a ______.
Identify the usage of Operating Systems.
List out any two uses of the Operating System?
List out the key features of the Operating system?
Which operating system is installed on your computer at home or school?
