QUESTION 3 (CLO3)

In operating systems, memory management is the function responsible for managing the computer's primary memory. The memory management function keeps track of the status of each memory location, either allocated or free.

1. EXPLAIN about the swapping techniques in memory management with neat diagram.

(10 marks)

2. EXPLAIN how segment supports virtual memory. With neat diagram explain how logical address is translated into physical address

(10 marks)

(Total: 20 marks)

QUESTION 4 (CLO4)

Directory can be defined as the listing of the related files on the disk. The directory may store some or the entire file attributes.To get the benefit of different file systems on the different operating systems, A hard disk can be divided into the number of partitions of different sizes. The partitions are also called volumes or mini disks.Each partition must have at least one directory in which, all the files of the partition can be listed. A directory entry is maintained for each file in the directory which stores all the information related to that file.

1. DISCUSS about the directory structure in the operating system.

(20 marks)

2. LIST the Security Violation Categories in operating system. (10marks)