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Question: Make an IE Crow's Foot E-R diagram for the entities section and employee and the 1:N relationship between them. Suppose that a section/department does not require to have an employee, but that every EMPLOYEE is assigned to a DEPARTMENT. Include appropriate identifiers and attributes for each entity.
Give examples of binary 1:N relationships, other than those in the textbook, for (a) an optional-to-optional relationship, (b) an optional-to-mandatory relationship, (c) a mandatory-to-optional relationship, and (d) a mandatory-to-mandatory relationship. Illustrate your answer using IE Crow's Foot E-R diagrams.
What (if any) relation holds between the following pairs of sets of algorithms (a) Priority and SJF (b) Multilevel feedback queues and FCFS
Assuming fetches to main memory are started in parallel with look-ups in cache, calculate the effective (average) access time of this system.
Qqueue for service (if the server process is busy servicing another request). Requests in queue are served according to the scheduling policy in use: First-In-First-Out (FIFO) scheduling.
What are the three different categories of command, support your answer by giving three examples. Give three good reasons, with valid explanation, to justify why partitioning hard disk provides a variety of advantages. Explain the client/server..
Virtual machines supported by a host operating system
VLIW processor - assembler
How many page faults would occur under pure demand paging (all frames are initially empty), assuming four frames are available, under FIFO, LRU.
The Shortest Job Next (SJN) algorithm queues processes in a way that the ones that use the shortest CPU cycle will be selected for running rst.
Determine how long does it take to transmit a 10baseT Ethernet frame that contains 256 bytes of data and ignore all the interframe gap that follows the frame.
the wife calls deposit (). Describe how a race condition is possible and what might be done to prevent the race condition from occurring.
What is the main advantage of multiprogramming How does the distinction between the monitor mode and user mode function as a rudimentary form of protection (security) system What is the difference between a trap and an interrupt? What is the u..
Forking the child process
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