Software Programming and SDLC Overview
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Questions and Answers

What is the primary benefit of using an object-oriented approach in programming?

  • It allows coding to be done without syntax rules.
  • It enables reusability of classes through inheritance. (correct)
  • It simplifies the coding process by restricting the use of classes.
  • It eliminates the need for algorithms in programming.

    • Which of the following best describes the role of a compiler in the programming life cycle?

  • It translates high-level code line by line into machine code.
  • It identifies logical errors within the code before compilation.
  • It converts code into an executable program without checking for syntax errors.
  • It understands the syntax of a programming language and creates machine language. (correct)

    • What is a key difference between a compiler and an interpreter?

  • An interpreter creates an executable program, while a compiler does not.
  • A compiler is used only for high-level languages, while an interpreter works with low-level languages.
  • A compiler translates the entire code at once, while an interpreter processes code line by line. (correct)
  • An interpreter checks for syntax errors, while a compiler does not.

    • Which of the following accurately describes the identification process during coding?

    <p>Programmers identify key pieces of information and the flow of each step.</p> Signup and view all the answers

    How do programming languages facilitate control of the CPU without requiring hardware knowledge?

    <p>They use a set of special words and strict syntactical rules to control CPU functions.</p> Signup and view all the answers

    Which of the following characteristics typically indicate tasks that are suitable for automation through programming?

    <p>They follow a series of clear steps.</p> Signup and view all the answers

    What is the first step in the System Development Life Cycle (SDLC)?

    <p>Problem/Opportunity identification</p> Signup and view all the answers

    Which of these components is NOT part of an information system?

    <p>Weather Patterns</p> Signup and view all the answers

    What is one of the primary advantages of a career in programming?

    <p>Opportunities for telecommuting.</p> Signup and view all the answers

    During which phase of the SDLC do programmers actually begin coding?

    <p>Development</p> Signup and view all the answers

    What role does maintenance serve in the System Development Life Cycle?

    <p>To evaluate whether the program meets end-user needs.</p> Signup and view all the answers

    Which tool is often utilized in the design phase of the SDLC to depict the flow of data?

    <p>Flowcharts</p> Signup and view all the answers

    Which of the following is a common misconception about programming?

    <p>Programming can substitute for human creativity.</p> Signup and view all the answers

    What is the initial stage in the Program Development Life Cycle?

    <p>Describing the problem</p> Signup and view all the answers

    In which stage of the PDLC is an algorithm developed?

    <p>Making a plan</p> Signup and view all the answers

    How do programmers ensure the program can handle invalid inputs?

    <p>Error handling</p> Signup and view all the answers

    Which method allows programmers to break a problem into high-level tasks?

    <p>Top-down design</p> Signup and view all the answers

    What is represented through flowcharts or pseudocode during the PDLC?

    <p>Algorithms</p> Signup and view all the answers

    What is a characteristic feature of binary decisions in algorithms?

    <p>They can be answered in either yes (true) or no (false).</p> Signup and view all the answers

    Which of the following is NOT a focus of the problem statement in the PDLC?

    <p>Technical specifications of the programming language</p> Signup and view all the answers

    What methodology supports programmers in developing complex algorithms?

    <p>Top-down and object-oriented analysis</p> Signup and view all the answers

    What is the primary purpose of debugging in a program's life cycle?

    <p>To find and correct logical errors</p> Signup and view all the answers

    What type of error is identified during the execution of a program?

    <p>Logical error</p> Signup and view all the answers

    Which phase of program development involves both internal and external testing?

    <p>Testing</p> Signup and view all the answers

    What does the acronym RTM stand for in the release cycle of a software program?

    <p>Release to Manufacturers</p> Signup and view all the answers

    Which of the following is NOT a goal when developing software?

    <p>To be visually appealing</p> Signup and view all the answers

    Who typically writes the user documents for end users in software development?

    <p>Technical writers</p> Signup and view all the answers

    What is a primary requirement for building apps targeting Android devices?

    <p>Android software development kit (SDK)</p> Signup and view all the answers

    What is the main challenge faced by programmers when developing software?

    <p>Balancing conflicting goals</p> Signup and view all the answers

    Study Notes

    Software Programming

    • Software tasks are candidates for automation.
    • Automation involves repetitive tasks and electronic information processing.
    • Tasks require creative thought, human touch, and intuitive thinking.
    • Programming offers plentiful jobs, strong salaries, and telecommuting options.
    • Programming is necessary when no existing software for a task is available.
    • Information systems consist of data, people, procedures, hardware, and software.
    • The systems help in planning decisions and coordinating processes (e.g., purchasing, database applications).

    System Development Life Cycle (SDLC)

    • SDLC is a process for developing information systems.
    • It can be lengthy and potentially using JAD (Joint Application Development).
    • Six steps in SDLC model:
      • Problem/Opportunity Identification: Evaluate proposals, decide on projects, and analyze existing problems for developing program specifications and user requirements.
      • Analysis: Explore the problem, define user needs, and plan a solution.
      • Design: Create a plan using flowcharts and diagrams for inputs, outputs, and processing details.
      • Development: Start programming, include technical documentation, and develop the actual program.
      • Testing and Installation: Ensure the system functions properly and deploy it officially.
      • Maintenance & Evaluation: Monitor performance, ensure user needs are met, and adapt the program.

    The Life Cycle of a Program

    • Program development involves several stages:
      • Describing the Problem (Problem Statement): Clearly outline the task and potential input issues.
      • Making a Plan (Algorithm Development): Design step-by-step instructions for solving the problem.
      • Coding (Language of the Computer): Translating instructions into executable code (using programming language).
      • Debugging: Identify and fix errors in the program's code.
      • Testing and Documentation: Verify functionality and produce supporting materials.
    • Algorithms, represented by flowcharts or pseudocode, help with the planning step.
    • Decision-making is vital in algorithm design (yes/no choices).
    • Different program development methodologies exist to guide the process, including top-down design and object-oriented analysis.
    • Object-oriented analysis uses classes and objects with methods (actions) for data organization
    • Programming involves translating an algorithm (step-by-step plan) to CPU instructions.

    Program Development Considerations

    • Compilation converts code to machine language.
    • Interpreters translate code line by line.
    • Debugging addresses logical and syntax errors.
    • Testing and documentation comprise internal and external tests and create user manuals.
    • Programming languages are designed to balance several conflicting goals.

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    Description

    This quiz explores essential concepts in software programming and the System Development Life Cycle (SDLC). It covers key tasks, the necessity of programming, and the six steps involved in the SDLC model. Test your knowledge on automation, information systems, and the development process.

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