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प्रश्न
Explain Virus Detection, Removal and Prevention
Discuss Virus Detection, Virus Removal and Prevention Philosophies
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उत्तर
Explanation:
(1) Virus detection
(i) Normally virus detection program checks integrity of binary files. It maintains a checksum on each file. At regular frequency detection program calculates checksum and matches with original one. If there is mismatch then that program may be infected.
(ii) Some programs reside in the memory and continuously monitor memory and I/O operations against virus.
(2) Virus removal
There are some viruses whose bit pattern in the code can be predicted. The virus removal program scans the disk for the patterns of known viruses and on detection it removes them.
(3) Virus prevention
For prevention of virus the user can take the following precautions
(i) Always buy legal copies of software.
(ii) Take frequent backups of data
(iii) Run monitor programs frequently to detect virus.
APPEARS IN
संबंधित प्रश्न
.....................is an Operating System.
(i) VBSCRIPT
(ii) UNIX
(iii) c
(iv) BASIC
Context Switching is a term related to........... Management
(i) Process
(ii) Memory
(iii) Information
(iv) Device
What is Computer Virus?
State the various steps involved in the allocation of partition in case of fixed partition memory management.
List and explain types of File Systems used in OS.
Explain following terms of VDU: Intelligent Terminal
What is Graphical User Interface (GUI) ?
Explain the following process state:
Running State
Explain the following process state:
Blocked State
List any six features of LINUX Operating System.
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
Complete the following activity.
The Operating system is a ______.
List out the key features of the Operating system?
Differentiate Save and Save As option.
Which operating system is installed on your computer at home or school?
