Problem Solving Techniques (Pseudo Code and Decision Making) Notes | Basic Computer Engineering | RGPV BTech First Year

Problem Solving Techniques (Pseudo Code and Decision Making) Notes | Basic Computer Engineering | RGPV BTech First Year


Problem Solving Techniques (Pseudo Code and Decision Making)

Problem Solving Computer Programming рддрдерд╛ Software Development рдХреА рд╕рдмрд╕реЗ рдорд╣рддреНрд╡рдкреВрд░реНрдг рдкреНрд░рдХреНрд░рд┐рдпрд╛ рд╣реИред рдХрд┐рд╕реА рднреА Computer Program рдХреЛ рд╡рд┐рдХрд╕рд┐рдд рдХрд░рдиреЗ рд╕реЗ рдкрд╣рд▓реЗ рд╕рдорд╕реНрдпрд╛ (Problem) рдХреЛ рд╕рд╣реА рдкреНрд░рдХрд╛рд░ рд╕реЗ рд╕рдордЭрдирд╛, рдЙрд╕рдХрд╛ рд╡рд┐рд╢реНрд▓реЗрд╖рдг рдХрд░рдирд╛ рддрдерд╛ рдЙрд╕рдХрд╛ Logical Solution рддреИрдпрд╛рд░ рдХрд░рдирд╛ рдЖрд╡рд╢реНрдпрдХ рд╣реЛрддрд╛ рд╣реИред рдЗрд╕реА рдЙрджреНрджреЗрд╢реНрдп рдХреЛ рдкреВрд░рд╛ рдХрд░рдиреЗ рдХреЗ рд▓рд┐рдП Problem Solving Techniques рдХрд╛ рдЙрдкрдпреЛрдЧ рдХрд┐рдпрд╛ рдЬрд╛рддрд╛ рд╣реИред Pseudo Code рддрдерд╛ Decision Making Programming Logic рддреИрдпрд╛рд░ рдХрд░рдиреЗ рдХреЗ рджреЛ рдорд╣рддреНрд╡рдкреВрд░реНрдг рдорд╛рдзреНрдпрдо рд╣реИрдВред

рдЖрдЬ Software Engineering, Artificial Intelligence, Data Science, Web Development, Mobile Applications рддрдерд╛ Enterprise Software Development рдореЗрдВ Problem Solving Skills рд╕рдмрд╕реЗ рдЕрдзрд┐рдХ рдорд╣рддреНрд╡рдкреВрд░реНрдг рдорд╛рдиреА рдЬрд╛рддреА рд╣реИрдВред рдПрдХ рдЕрдЪреНрдЫрд╛ Programmer рд╡рд╣реА рд╣реЛрддрд╛ рд╣реИ рдЬреЛ рдХрд┐рд╕реА рднреА рд╕рдорд╕реНрдпрд╛ рдХрд╛ рд╕рд░рд▓, Logical рддрдерд╛ Efficient рд╕рдорд╛рдзрд╛рди рддреИрдпрд╛рд░ рдХрд░ рд╕рдХреЗред


Introduction to Problem Solving

Problem Solving рдРрд╕реА рд╡реНрдпрд╡рд╕реНрдерд┐рдд рдкреНрд░рдХреНрд░рд┐рдпрд╛ рд╣реИ рдЬрд┐рд╕рдХреЗ рдорд╛рдзреНрдпрдо рд╕реЗ рдХрд┐рд╕реА рд╡рд╛рд╕реНрддрд╡рд┐рдХ рд╕рдорд╕реНрдпрд╛ рдХрд╛ рд╡рд┐рд╢реНрд▓реЗрд╖рдг рдХрд░рдХреЗ рдЙрд╕рдХреЗ рд╕рдорд╛рдзрд╛рди рдХреЗ рд▓рд┐рдП Logical Steps рддреИрдпрд╛рд░ рдХрд┐рдП рдЬрд╛рддреЗ рд╣реИрдВред Programming рдореЗрдВ Coding рдкреНрд░рд╛рд░рдореНрдн рдХрд░рдиреЗ рд╕реЗ рдкрд╣рд▓реЗ Problem рдХреЛ рд╕рдордЭрдирд╛ рддрдерд╛ рдЙрд╕рдХрд╛ рдЙрдЪрд┐рдд рд╕рдорд╛рдзрд╛рди рддреИрдпрд╛рд░ рдХрд░рдирд╛ рдЕрддреНрдпрдВрдд рдЖрд╡рд╢реНрдпрдХ рд╣реЛрддрд╛ рд╣реИред

Problem Solving Techniques Programmer рдХреЛ Efficient Program Design рдХрд░рдиреЗ, Errors рдХрдо рдХрд░рдиреЗ рддрдерд╛ Software Quality Improve рдХрд░рдиреЗ рдореЗрдВ рд╕рд╣рд╛рдпрддрд╛ рдХрд░рддреА рд╣реИрдВред


Definition of Problem Solving

Problem Solving рд╡рд╣ рдкреНрд░рдХреНрд░рд┐рдпрд╛ рд╣реИ рдЬрд┐рд╕рдХреЗ рдорд╛рдзреНрдпрдо рд╕реЗ рдХрд┐рд╕реА рд╕рдорд╕реНрдпрд╛ рдХрд╛ рд╡рд┐рд╢реНрд▓реЗрд╖рдг рдХрд░рдХреЗ рдЙрд╕рдХреЗ рд╕рдорд╛рдзрд╛рди рдХреЗ рд▓рд┐рдП Logical рддрдерд╛ Systematic Method рддреИрдпрд╛рд░ рдХрд┐рдпрд╛ рдЬрд╛рддрд╛ рд╣реИред

Problem Solving = Systematic Process of Finding Logical Solution for a Problem

Need of Problem Solving

  • Programming Logic рд╡рд┐рдХрд╕рд┐рдд рдХрд░рдиреЗ рдХреЗ рд▓рд┐рдПред
  • Complex Problems рдХреЛ рдЫреЛрдЯреЗ рднрд╛рдЧреЛрдВ рдореЗрдВ рд╡рд┐рднрд╛рдЬрд┐рдд рдХрд░рдиреЗ рдХреЗ рд▓рд┐рдПред
  • Error Free Programs рдмрдирд╛рдиреЗ рдХреЗ рд▓рд┐рдПред
  • Software Development рдХреЛ рдЖрд╕рд╛рди рдмрдирд╛рдиреЗ рдХреЗ рд▓рд┐рдПред
  • Efficient Algorithms рддреИрдпрд╛рд░ рдХрд░рдиреЗ рдХреЗ рд▓рд┐рдПред
  • Better Decision Making рдХреЗ рд▓рд┐рдПред

Characteristics of Problem Solving

  • Logical Thinking.
  • Step-by-Step Approach.
  • Systematic Analysis.
  • Efficient Solution Design.
  • Supports Software Development.
  • Improves Program Quality.

Advantages of Problem Solving Techniques

  • Easy Program Design.
  • Reduces Programming Errors.
  • Improves Software Quality.
  • Enhances Logical Thinking.
  • Supports Team Development.
  • Easy Maintenance.

Limitations of Problem Solving

  • Requires Proper Analysis.
  • Time Consuming for Complex Problems.
  • Needs Logical Skills.
  • Frequent Requirement Changes Affect Design.

Steps of Problem Solving

  1. Identify the Problem.
  2. Analyze the Problem.
  3. Collect Required Data.
  4. Design Solution.
  5. Prepare Pseudo Code.
  6. Create Flowchart.
  7. Write Program.
  8. Test and Debug.
  9. Maintain the Program.

Pseudo Code

Pseudo Code Programming Logic рдХреЛ рд╕рд╛рдорд╛рдиреНрдп рдЕрдВрдЧреНрд░реЗрдЬрд╝реА (Simple English) рддрдерд╛ Programming Style рдореЗрдВ рд▓рд┐рдЦрдиреЗ рдХреА рдПрдХ рддрдХрдиреАрдХ рд╣реИред рдЗрд╕рдореЗрдВ рдХрд┐рд╕реА рд╡рд┐рд╢реЗрд╖ Programming Language рдХрд╛ Syntax рдЙрдкрдпреЛрдЧ рдирд╣реАрдВ рдХрд┐рдпрд╛ рдЬрд╛рддрд╛, рдЗрд╕рд▓рд┐рдП рдЗрд╕реЗ рд╕рдордЭрдирд╛ рддрдерд╛ Modify рдХрд░рдирд╛ рдЖрд╕рд╛рди рд╣реЛрддрд╛ рд╣реИред

START READ A, B SUM = A + B PRINT SUM STOP

Characteristics of Pseudo Code

  • Language Independent.
  • Easy to Read.
  • Easy to Modify.
  • Uses Logical Steps.
  • No Strict Syntax.
  • Supports Program Design.

Advantages of Pseudo Code

  • Easy Communication.
  • Improves Program Planning.
  • Easy Conversion into Code.
  • Supports Team Work.
  • Reduces Coding Errors.
  • Improves Documentation.

Decision Making

Decision Making Programming рдореЗрдВ рдРрд╕реА рдкреНрд░рдХреНрд░рд┐рдпрд╛ рд╣реИ рдЬрд┐рд╕рдореЗрдВ рдХрд┐рд╕реА Condition рдХреЗ рдЖрдзрд╛рд░ рдкрд░ Program рдЕрд▓рдЧ-рдЕрд▓рдЧ Paths рдХрд╛ рдЪрдпрди рдХрд░рддрд╛ рд╣реИред Decision Making Statements Program рдХреЛ Intelligent рддрдерд╛ Dynamic рдмрдирд╛рддреЗ рд╣реИрдВред

Condition тЖУ True тЖУ Execute Block тЖУ False тЖУ Execute Another Block

Decision Structures

Programming Languages рдореЗрдВ рдореБрдЦреНрдп Decision Structures рдирд┐рдореНрдирд▓рд┐рдЦрд┐рдд рд╣реИрдВред

  • if Statement
  • if-else Statement
  • Nested if Statement
  • Switch Statement (Language Dependent)

Decision Table (Introduction)

Decision Table рдПрдХ Tabular Technique рд╣реИ рдЬрд┐рд╕рдХрд╛ рдЙрдкрдпреЛрдЧ рд╡рд┐рднрд┐рдиреНрди Conditions рддрдерд╛ рдЙрдирдХреЗ рдЖрдзрд╛рд░ рдкрд░ рдХрд┐рдП рдЬрд╛рдиреЗ рд╡рд╛рд▓реЗ Actions рдХреЛ рд╡реНрдпрд╡рд╕реНрдерд┐рдд рд░реВрдк рд╕реЗ рдкреНрд░рджрд░реНрд╢рд┐рдд рдХрд░рдиреЗ рдХреЗ рд▓рд┐рдП рдХрд┐рдпрд╛ рдЬрд╛рддрд╛ рд╣реИред рдЬрдм рдХрд┐рд╕реА рд╕рдорд╕реНрдпрд╛ рдореЗрдВ рдЕрдиреЗрдХ Conditions рддрдерд╛ рдЙрдирдХреЗ рдХрдИ рд╕рдВрднрд╛рд╡рд┐рдд рдкрд░рд┐рдгрд╛рдо рд╣реЛрддреЗ рд╣реИрдВ, рддрдм Decision Table рд╕рдмрд╕реЗ рдЙрдкрдпреБрдХреНрдд рддрдХрдиреАрдХ рдорд╛рдиреА рдЬрд╛рддреА рд╣реИред

Condition True False
Marks тЙе 33 Pass Fail

Difference between Algorithm and Pseudo Code

Algorithm Pseudo Code
Step-by-Step Logical Instructions. Programming Style Representation.
Very Simple Language. Uses Programming Keywords.
No Programming Syntax. Similar to Programming Syntax.
Suitable for Initial Planning. Suitable Before Actual Coding.
Easy for Everyone. Easy for Programmers.

Applications of Problem Solving Techniques

  • Software Development.
  • Web Development.
  • Mobile Application Development.
  • Artificial Intelligence.
  • Machine Learning.
  • Database Systems.
  • Embedded Systems.
  • Automation Systems.
  • Cloud Computing.
  • Enterprise Software Solutions.

Common Errors

  • Incorrect Problem Understanding.
  • Incomplete Pseudo Code.
  • Improper Decision Logic.
  • Missing Conditions.
  • Ignoring Boundary Cases.
  • Poor Documentation.

Best Practices

  • Understand the Problem Clearly.
  • Write Simple and Readable Pseudo Code.
  • Test Every Decision Condition.
  • Use Proper Documentation.
  • Validate Input and Output.
  • Review Logic Before Coding.

Industrial Importance

Problem Solving Techniques рдЖрдзреБрдирд┐рдХ Software Development рдХреА рдиреАрдВрд╡ рд╣реИрдВред Software Companies, Banking Systems, Healthcare Applications, Artificial Intelligence, Cloud Computing, Robotics рддрдерд╛ Enterprise Software Development рдореЗрдВ Developers рд╕рдмрд╕реЗ рдкрд╣рд▓реЗ Problem Analysis, Pseudo Code рддрдерд╛ Decision Making Logic рддреИрдпрд╛рд░ рдХрд░рддреЗ рд╣реИрдВред рдЗрд╕рд╕реЗ Software рдЕрдзрд┐рдХ Reliable, Scalable рддрдерд╛ Maintainable рдмрдирддрд╛ рд╣реИ рдФрд░ Development Cost рднреА рдХрдо рд╣реЛрддреА рд╣реИред


Viva Questions

  1. What is Problem Solving?
  2. Why is Problem Solving important in Programming?
  3. What is Pseudo Code?
  4. State the characteristics of Pseudo Code.
  5. What is Decision Making?
  6. Explain Decision Structures.
  7. What is a Decision Table?
  8. Differentiate Algorithm and Pseudo Code.
  9. State the advantages of Pseudo Code.
  10. Explain the applications of Problem Solving Techniques.

Exam Oriented Important Questions

  1. Define Problem Solving with suitable examples.
  2. Explain the need and characteristics of Problem Solving.
  3. Describe the steps involved in Problem Solving.
  4. Explain Pseudo Code with characteristics and advantages.
  5. Explain Decision Making and Decision Structures.
  6. Differentiate Algorithm and Pseudo Code.
  7. Discuss the applications and industrial importance of Problem Solving Techniques.
  8. Write short notes on Decision Table and Pseudo Code.

Conclusion

Problem Solving Techniques Computer Programming рдХреА рд╕рдлрд▓рддрд╛ рдХрд╛ рдЖрдзрд╛рд░ рд╣реИрдВред Pseudo Code рддрдерд╛ Decision Making рдХреА рд╕рд╣рд╛рдпрддрд╛ рд╕реЗ рдХрд┐рд╕реА рднреА рд╕рдорд╕реНрдпрд╛ рдХрд╛ Logical рддрдерд╛ Structured Solution рддреИрдпрд╛рд░ рдХрд┐рдпрд╛ рдЬрд╛ рд╕рдХрддрд╛ рд╣реИред рдЗрди Concepts рдХреА рдЕрдЪреНрдЫреА рд╕рдордЭ рд╡рд┐рджреНрдпрд╛рд░реНрдерд┐рдпреЛрдВ рдХреЛ Programming, Software Engineering, Data Structures рддрдерд╛ Advanced Computer Science Subjects рдореЗрдВ рдордЬрдмреВрдд рдЖрдзрд╛рд░ рдкреНрд░рджрд╛рди рдХрд░рддреА рд╣реИред

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