Description: Chapter 1 sample
The domain name server simulation program
1.1.1 introduction to program design of curriculum design:
A simple simulation program, including data input, query, and delete functions, requirements on the basis of the program to add some function, make the program more comprehensive function, operation more convenient.
1.1.2 task requirements for curriculum design:
(1) each function of this program can only complete one operation. If the same operation needs to be returned to the main menu, China can proceed, and the function of the same operation can be performed several times;
(2) after each program execution data cannot be saved, the input data should be stored in a file, in each data record format, time unit is added to the system time when deposited in the add data, and can according to the different time scale (some time ago, after a time, a certain period of time) to find the domain name;
(3) keep the data in the file, and increase the function of opening source files and establishing new files;
(4) increase the function of modifying the original data. When modifying the data, the old and new data should be displayed on the screen at the same time, and ask whether to replace the old data with the new data, press "confirm" and replace the data, or give up.
1.1.3 description of course design:
(1) this procedure stores data in a linked list, and the basic structure is reasonable, without modification, and some functions should be added on the basis of the original structure;
(2) rating difficulty level: class A
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