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RULE §127.763Computer Science II (One Credit)

(a) General requirements. Students shall be awarded one credit for successful completion of this course. Prerequisite: Algebra I and either Computer Science I or Fundamentals of Computer Science. This course is recommended for students in Grades 11 and 12.

(b) Introduction.

  (1) Career and technical education instruction provides content aligned with challenging academic standards and relevant technical knowledge and skills for students to further their education and succeed in current or emerging professions.

  (2) The Science, Technology, Engineering, and Mathematics (STEM) Career Cluster focuses on planning, managing, and providing scientific research and professional and technical services, including laboratory and testing services, and research and development services.

  (3) Computer Science II will foster students' creativity and innovation by presenting opportunities to design, implement, and present meaningful programs through a variety of media. Students will collaborate with one another, their instructor, and various electronic communities to solve the problems presented throughout the course. Through data analysis, students will identify task requirements, plan search strategies, and use computer science concepts to access, analyze, and evaluate information needed to solve problems. By using computer science knowledge and skills that support the work of individuals and groups in solving problems, students will select the technology appropriate for the task, synthesize knowledge, create solutions, and evaluate the results. Students will learn digital citizenship by researching current laws and regulations and by practicing integrity and respect. Students will gain an understanding of computer science through the study of technology operations, systems, and concepts. The six strands include creativity and innovation; communication and collaboration; research and information fluency; critical thinking; problem solving, and decision making; digital citizenship; and technology operations and concepts.

  (4) Students are encouraged to participate in extended learning experiences such as career and technical student organizations and other leadership or extracurricular organizations.

  (5) Statements that contain the word "including" reference content that must be mastered, while those containing the phrase "such as" are intended as possible illustrative examples.

(c) Knowledge and skills.

  (1) Creativity and innovation. The student develops products and generates new understandings by extending existing knowledge. The student is expected to:

    (A) use program design problem-solving strategies to create program solutions;

    (B) demonstrate the ability to read and modify large programs, including the design description and process development;

    (C) follow the systematic problem-solving process of identifying the specifications of purpose and goals, the data types and objects needed, and the subtasks to be performed;

    (D) compare and contrast design methodologies and implementation techniques such as top-down, bottom-up, and black box;

    (E) analyze, modify, and evaluate existing code by performing a case study on a large program, including inheritance and black box programming;

    (F) identify the data types and objects needed to solve a problem;

    (G) choose, identify, and use the appropriate abstract data type, advanced data structure, and supporting algorithms to properly represent the data in a program problem solution;

    (H) use object-oriented programming development methodology, data abstraction, encapsulation with information hiding, and procedural abstraction in program development and testing; and

    (I) create, edit, and manipulate bitmap images that are used to enhance user interfaces and program functionality.

  (2) Communication and collaboration. The student communicates and collaborates with peers to contribute to his or her own learning and the learning of others. The student is expected to:

    (A) use the principles of software engineering to work in software design teams, break a problem statement into specific solution requirements, create a program development plan, code part of a solution from a program development plan while a partner codes the remaining part, team test the solution for correctness, and develop presentations to report the solution findings;

    (B) create interactive console display interfaces with appropriate user prompts;

    (C) create interactive human interfaces to acquire data from a user and display program results using an advanced Graphical User Interface (GUI);

    (D) write programs and communicate with proper programming style to enhance the readability and functionality of the code by using meaningful descriptive identifiers, internal comments, white space, indentation, and a standardized program style;

    (E) improve data display by optimizing data visualization;

    (F) display simple vector graphics to interpret and display program results; and

    (G) display simple bitmap images.

  (3) Research and information fluency. The student locates, analyzes, processes, and organizes data. The student is expected to:

    (A) use local area networks (LANs) and wide area networks (WANs), including the Internet and intranets, in research, file management, and collaboration;

    (B) understand programming file structure and file access for required resources;

    (C) acquire and process information from text files, including files of known and unknown sizes;

    (D) manipulate data structures using string processing;

    (E) manipulate data values by casting between data types;

    (F) identify and use the structured data type of one-dimensional arrays to traverse, search, modify, insert, and delete data;

    (G) identify and use the structured data type of two-dimensional arrays to traverse, search, modify, insert, and delete data; and

    (H) identify and use a list object data structure to traverse, search, insert, and delete data.

  (4) Critical thinking, problem solving, and decision making. The student uses appropriate strategies to analyze problems and design algorithms. The student is expected to:

    (A) develop sequential algorithms using branching control statements, including nested structures, to create solutions to decision-making problems;

    (B) develop choice algorithms using selection control statements based on ordinal values;

    (C) demonstrate proficiency in the use of short-circuit evaluation;

    (D) demonstrate proficiency in the use of Boolean algebra, including De Morgan's Law;

    (E) develop iterative algorithms using nested loops;

    (F) identify, trace, and appropriately use recursion in programming solutions, including algebraic computations;

    (G) design, construct, evaluate, and compare search algorithms, including linear searching and binary searching;

    (H) identify, describe, design, create, evaluate, and compare standard sorting algorithms, including selection sort, bubble sort, insertion sort, and merge sort;

    (I) measure time/space efficiency of various sorting algorithms;

    (J) compare and contrast search and sort algorithms, including linear, quadratic, and recursive strategies, for time/space efficiency;

    (K) analyze algorithms using "big-O" notation for best, average, and worst-case data patterns;

    (L) develop algorithms to solve various problems, including factoring, summing a series, finding the roots of a quadratic equation, and generating Fibonacci numbers;

    (M) test program solutions by investigating boundary conditions; testing classes, methods, and libraries in isolation; and performing stepwise refinement;

    (N) identify and debug compile, syntax, runtime, and logic errors;

    (O) compare and contrast algorithm efficiency by using informal runtime comparisons, exact calculation of statement execution counts, and theoretical efficiency values using "big-O" notation, including worst-case, best-case, and average-case time/space analysis;

    (P) demonstrate the ability to count, convert, and perform mathematical operations in the binary and hexadecimal number systems;

    (Q) demonstrate knowledge of the maximum integer boundary, minimum integer boundary, imprecision of real number representations, and round-off errors;

    (R) create program solutions to problems using the mathematics library class;

    (S) use random algorithms to create simulations that model the real world;


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