11. What Happens when you execute a program? When you execute a program on your UNIX system, the system creates a special environment for that program. This environment contains everything Continue Reading »
1. Brief about the initial process sequence while the system boots up. While booting, special process called the ‘swapper’ or ‘scheduler’ is created with Process- ID 0. The swapper manages Continue Reading »
31. Name two paging states for a page in memory? The two paging states are: The page is aging and is not yet eligible for swapping, The page is eligible Continue Reading »
21. What is “the principle of locality”? It’s the nature of the processes that they refer only to the small subset of the total data space of the process. i.e. Continue Reading »
11. What is Fork swap? “fork()” is a system call to create a child process. When the parent process calls “fork()” system call, the child process is created and if Continue Reading »
1. What is the difference between Swapping and Paging? Swapping: Whole process is moved from the swap device to the main memory for execution. Process size must be less than Continue Reading »
1. How are devices represented in UNIX? All devices are represented by files called special files that are located in /dev directory. Thus, device files and other files are named Continue Reading »
121. Expand IDEA. IDEA stands for International Data Encryption Algorithm. 122. What is wide-mouth frog? Wide-mouth frog is the simplest known key distribution center (KDC) authentication protocol. (100)
111. Why should you care about the OSI Reference Model? It provides a framework for discussing network operations and design. 112. What is logical link control? One of two sublayers Continue Reading »
91. What is MAC address? The address for a device as it is identified at the Media Access Control (MAC) layer in the network architecture. MAC address is usually stored Continue Reading »