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.
What is File System?
.....................is an Operating System.
(i) VBSCRIPT
(ii) UNIX
(iii) c
(iv) BASIC
Explain virus detection.
State features of WINDOWS - NT
List and explain types of File Systems used in OS.
Explain tape-based and disk-based file system.
Explain the following process state:
Blocked State
Define Security
Explain following terms in case of Process Scheduling
1) Turn-around Time
2) Waiting Time
3) Terminal Response Time
4) Event Response Time
Write the difference between Worm and Virus.
Explain the function of the following in Operating system:
1) Virus Detection
2) Virus Removal
3) Virus Prevention
What are the functions of Memory Management? State any two types of continuous Real Memory Management System.
Complete the following activity.
The Operating system is a ______.
From the options given below, choose the operations managed by the operating system.
Write a note on Recycle bin.
Which operating system is installed on your computer at home or school?
