Programming Fundamentals: Chapter 1
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Programming Fundamentals: Chapter 1

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Questions and Answers

What is the primary function of a compiler in a programming language?

To translate high-level language code into machine language

What is the primary function of an interpreter in a programming language?

To execute a program one statement at a time

What type of error occurs when the code is not written according to the syntax rules of a programming language?

Syntax error

What is the term for named memory locations used to store data during the execution of a program?

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

What type of error occurs when the output of a program is incorrect due to incorrect logic?

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

What is the first step in problem solving?

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

What are the three major operations performed by a computer?

<p>Input, Processing, Output</p> Signup and view all the answers

What is a feature of object-oriented programming that allows for the use of other code without re-coding it completely?

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

What is the fourth step in the program development cycle?

<p>Test the program</p> Signup and view all the answers

What is the main difference between procedural programming and object-oriented programming?

<p>The use of objects in object-oriented programming</p> Signup and view all the answers

What is the purpose of access specifiers in object-oriented programming?

<p>To hide data and make it more secure</p> Signup and view all the answers

What is the final step in the program development cycle?

<p>Maintain the program</p> Signup and view all the answers

Study Notes

Computer Operations

  • The computer performs three major operations: Input, Processing, and Output

Programming Languages

  • A programming language has its own set of rules, symbols, and syntax
  • Compiler: translates high-level language code into machine language
  • Interpreter: translates programming code one statement at a time

Key Aspects of Programming Logic

  • Variables: named memory locations used to store data during program execution
  • Data types: define the type of data stored in variables
  • Operators: symbols used to perform operations on one or more operands
  • Control structures: used to determine the flow of execution of the program
  • Functions: reusable pieces of code that perform a specific task
  • Syntax: set of rules that define how programs in a programming language must be written

Types of Errors

  • Syntax errors: incorrectly written code that does not follow syntax rules
  • Run-time errors: errors that arise during program execution
  • Logical errors: incorrect output due to incorrect order of instructions

Problem Solving

  • Identify the problem
  • Understand the problem
  • Identify alternative solutions
  • Select the best solution
  • List the instructions to solve the problem
  • Evaluate the solution

Program Development Cycle

  • Understand the problem
  • Plan the logic
  • Code the program
  • Translate the program into machine language
  • Test the program
  • Put the program into production
  • Maintain the program

Programming Paradigms

  • Procedural programming: divides program structure into small parts called functions, procedures, or methods
  • Object-oriented programming (OOP): divides program structure into small parts called objects
  • OOP features:
    • Access specifiers (private, public, protected)
    • Data hiding for security
    • Overloading (different functionality with the same function name)
    • Inheritance (reusing code with minor modifications)

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