Programming Language Structure


Welcome to the course on Programming Language Structure, where we delve into the fundamental components that make up the structure of a programming language. This topic plays a pivotal role in shaping your understanding of how to develop problem-solving skills through coding. By grasping the intricacies of programming language structures, you will be equipped to write efficient and effective code to address various computational problems.

At the core of understanding a programming language's structure are the features and syntax that define its uniqueness. Keywords serve as the building blocks of a language, dictating specific actions or functionalities. Variable types define the kind of data a variable can hold, including integers, floats, characters, and more. Constants and literals are fixed values that do not change during program execution, providing stability to your code. The ability to manipulate numeric, string, and alphanumeric data is essential for performing calculations and handling text-based inputs.

Equally important are the basic statements that form the foundation of high-level programming languages. These include input, where data is received from users or external sources, output for displaying results, and processing for performing calculations and operations. Comments play a crucial role in enhancing code readability and conveying information to other programmers.

Furthermore, the course covers subunits such as functions, procedures, methods, and subroutines, which encapsulate specific tasks within a program. Understanding these units allows for modular and organized code development. Statements like iteration/loop, conditional, assignment, and dimension statements enable the execution of specific actions based on conditions or loops.

Delving deeper into programming language structures, we explore the determination and classification of programming languages. By understanding the advantages and disadvantages of different language levels, you can make informed decisions on language selection based on project requirements. The classification of high-level languages based on their characteristics provides insight into the diverse programming paradigms available.

Moreover, the course delves into the functions of translators in converting human-readable code into machine-executable instructions. Definitions and properties of algorithms equip you with problem-solving strategies, while flowchart symbols aid in visualizing program logic. Basic statements, arithmetic and string operators, as well as primitive and non-primitive data types, enhance your understanding of fundamental programming concepts.

By the end of this course, you will have a comprehensive understanding of programming language structure, enabling you to write efficient code, solve complex problems, and develop practical solutions through coding.


  1. Arithmetic Operators and Expressions
  2. Primitive Data Types (Integer, Float, Boolean, Character, etc)
  3. Basic Statements of a High-Level Programming Language
  4. String Operators and Expressions
  5. Built-in Functions
  6. Identify Features/Syntax of a Programming Language
  7. Non-Primitive Data Types (Arrays, Classes, String, etc)
  8. Complex Data Structures (Trees, Graphs, Linked Lists, Objects, etc)

Lesson Note

Programming languages are tools used by developers to create software applications, scripts, or other sets of instructions that a computer can execute. Understanding the structure of a programming language is crucial as it governs how we write our code and how the computer interprets it.

Lesson Evaluation

Congratulations on completing the lesson on Programming Language Structure. Now that youve explored the key concepts and ideas, its time to put your knowledge to the test. This section offers a variety of practice questions designed to reinforce your understanding and help you gauge your grasp of the material.

You will encounter a mix of question types, including multiple-choice questions, short answer questions, and essay questions. Each question is thoughtfully crafted to assess different aspects of your knowledge and critical thinking skills.

Use this evaluation section as an opportunity to reinforce your understanding of the topic and to identify any areas where you may need additional study. Don't be discouraged by any challenges you encounter; instead, view them as opportunities for growth and improvement.

  1. Identify the keyword(s) in the following code snippet: int num = 10; A. int, num B. int C. num D. 10 Answer: A. int, num
  2. Which of the following is NOT a variable type in programming languages? A. Integer B. Float C. Loop D. Boolean Answer: C. Loop
  3. What is the output of the following code snippet? cout << "Hello World!"; A. Hello World! B. "Hello World!" C. Hello World! D. "Hello World!" Answer: C. Hello World!
  4. What type of processing involves performing mathematical calculations, logical operations, etc. in a program? A. Output B. Input C. Processing D. Comments Answer: C. Processing
  5. In programming, what are constants/literals? A. Values that do not change during program execution B. Variables that change during program execution C. Data types that vary between different programming languages D. Statements that dictate the flow of the program Answer: A. Values that do not change during program execution

Recommended Books

Past Questions

Wondering what past questions for this topic looks like? Here are a number of questions about Programming Language Structure from previous years

Question 1 Report

10 LET K = 2

20 LET L = 9

30 LET SUM = 0

40 FOR J = K TO STEP 2

50 SUM = SUM + J2



80 END

Which of the following best represents the sequence of output from the program?

Which of the following best represents the sequence of output from the program?

Practice a number of Programming Language Structure past questions