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14 Sep
2020

# Make a PHP program that connects to a database named “myDB” on localhost. The…

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Make a PHP program that connects to a database named “myDB” on localhost. The username for the database is “root” and the password is “pwroot”. If you can’t connect, you should abort with an error message “Database connection failed”. If the connection is successful, you should display all records from the table named “inventory” (Columns – models Make, model Year, modelPrice), using POST parameters. You don’t need to specify the ID column because it is an auto-incrementing primary index.If selection is successful, display the message “Records are shown below: ” and display the records. Otherwise, display the message “Records not available”.Don’t worry about data validation for this question, just focus on the PHP and SQL code.
Lets assume it is possible to travel from any state to any other state in the U.S. using a suitable
Lets assume it is possible to travel from any state to any other state in the U.S. using a suitable any combination of routes. Suppose you have a list of all trips; assume that whenever there is a route x → y, there is also a route y → x. Given 8 states in the US say, Florida, Michigan, Arizona, Texas, New York, California, Alaska, and Kentucky.i. lets use Arizona as the origin. Now starting from Arizona and the 7 other states in the U.S, express this problem as a Graph clearly stating the set of vertices and edges using set notation.ii. From your Graph, what is the destination that requires the maximum number of connections among the list of states? Compute the adjacency Matrix of your Graph. Next, compute the adjacency list and Draw the graph. iii. Illustrate the Breadth First Search of the Graph (starting with the same origin state in i) and use it to prove whether or not the graph is Bipartite iv. Using any programming language of your choice, code the graph and the code should print its set of vertices, edges as well as the destination with the maximum number of connections
CPU Scheduling CPU scheduling is a process which allows one process to use the CPU while the execution of another
CPU Scheduling CPU scheduling is a process which allows one process to use the CPU while the execution of another process is on hold (in waiting state) due to unavailability of any resource like I/O etc., thereby making full use of CPU. The aim of CPU scheduling is to make the system efficient, fast and fair. Whenever the CPU becomes idle, the operating system must select one of the processes in the ready queue to be executed. The selection process is carried out by the short-term scheduler (or CPU scheduler). The scheduler selects from among the processes in memory that are ready to execute and allocates the CPU to one of them. There are 10 processes in the run queue of a processor, all at equal priority, we apply round- robin scheduling, and a scheduling slice is 100ms. a) How long does it take for a process to obtain a slice in which to run? b) Suppose that all 10 processes are compute-bound. Is the round-robin scheduler fair? Why or why not? c) Now suppose that 9 of 10 processes are compute-bound and one process is I/O bound and receives one character per second of user typing, that it processes for 10ms and then blocks again waiting for the next. Is this unfair? Is this an undesirable situation for the user of the I/O bound process?
Answer the following questions a) For segmentation with pages, is there any internal or external fragmentation in segmentation? If yes,
Answer the following questions a) For segmentation with pages, is there any internal or external fragmentation in segmentation? If yes, give an example. b) Most system allows a program to allocate more memory to its address space during execution. The allocation of data in segments of a program is an example of such allocated memory. What is required to support dynamic memory allocation scheme? Briefly describe that scheme. Question related to Operating System
program that creates four processes. The original process creates two children processes and then prints out “parent”. The children process
Computer Science Assignment Writing Serviceprogram that creates four processes. The original process creates two children processes and then prints out “parent”. The children process print “child1” and “child2″respectively. The second child process creates a child process that prints out “grandchild”.The process should print out its process id and the process id of its parent.
Configuration management (5 marks)Code/file version management (2 marks)TeachBen/CMP73010-assignment1-2020 Version management systems are a daily reality for the software development professional.