iii) Detection of Viruses and Sign of Viruses.
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Q.Explain in Details the following concepts?
i) Sector/Partition Table Viruses.
ii) Anatomy of Executable File Viruses.
iii) Detection of Viruses and Sign of Viruses.
iv) Removal of Viruses and Prevention from Viruses.
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- Q6. Explain in Details the following concepts a) Sector/Partition Table Viruses. b) Anatomy of Executable File Viruses. c) Detection of Viruses and Sign of Viruses. c) Removal of Viruses and Prevention from Viruses.Answer the following question. All the files in the Quarantine area are: A. to be considered safe and restorable. B. infected with viruses and all of them should be deleted. C. untouchable and cannot be deleted. D. encrypted and cannot do the computer any harm.What are binary executables, and how do they differ from script files in terms of file type and execution?
- How exactly does one go about gaining access to a file system? What precisely differentiates these two possibilities from one another?What is the difference between file encryption and disk encryption?a. How do directory structures affect the performance of the file system? b. Explain how the concepts of buffering, caching, and spooling differ in an I/O system.
- the answer Operating systems try to ensure that consecutive blocks of a file are stored onconsecutive disk blocks. Why is doing so very important with magnetic disks?If SSDs were used instead, is doing so still important, or is it irrelevant? Explainwhy.List all the differences and its importance of File Management Programs, Diagnostic & Disk Management Programs, Antivirus Programs, Backup & Recovery Utilities, and Network & Internet Utilities as utility programs.What are the two kinds of file access that exist in the world? What exactly is the difference between these two?
- The logical size of a given file is 12400 bytes in a magnetic disk with each cluster consisting of 8 sectors, each of which having a fixed size of 512 bytes. 1. How many clusters will the above file take? 2. What will the physical size of the above file be (in bytes)? 3. What is the slack space in this case?What operating systems are susceptible to the new file-erasing technique?1. Which is NOT a function of the file management system? a. File security and protection of file integrity b. Permits manipulation of data within a file c. Provides a logical view for the user and hides the physical implementation d. Manages directory structures and space allocation for each I/O device e. Allows the use of paging scheme in the storage of files. 2. An MS-DOS table that contains the first block of each file on the disk or disk partition. a. Acyclic directory b. NTFS c. Master file table d. File allocation table