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Programming Languages Overview
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Programming Languages Overview

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@FairLarimar

Questions and Answers

What is the first step in testing a software solution?

  • Write and document the code
  • Refine the algorithm
  • Identify missing points
  • Perform the desk check (correct)

    • What is the basis of assembly languages?

  • High-level programming syntax
  • Binary code
  • Numeric codes
  • English-like abbreviations called mnemonics (correct)

    • Reviewing the requirements is unnecessary if you are confident in your algorithm.

    False

    Machine languages consist of human-readable text.

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

    What should a programmer do if they identify errors in the algorithm during testing?

    <p>Refine the algorithm and perform the desk check again.</p> Signup and view all the answers

    Name one example of a high-level programming language.

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

    To calculate the area of a circle, the input needed from the user is the ______.

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

    The process of translating source code into machine code as a complete unit is known as __________.

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

    Match the programming languages to their characteristics:

    <p>Java = Object-oriented programming C = Structured programming Python = High-level syntax and easy readability SQL = Database querying language</p> Signup and view all the answers

    Match the following programming languages with their type:

    <p>C = High-level programming language Assembly = Low-level programming language Java = High-level programming language Machine Language = Low-level programming language</p> Signup and view all the answers

    Which of the following statements is true regarding high-level programming languages?

    <p>They are easy for humans to understand and closer to mathematical notation.</p> Signup and view all the answers

    Assemblers are used to convert high-level programming languages into machine language.

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

    What happens if a syntax error is found during the compilation process?

    <p>The machine code file is not created.</p> Signup and view all the answers

    What is the primary function of a computer?

    <p>To process data to produce information</p> Signup and view all the answers

    Software is defined as a set of instructions that allows a user to work with a computer's hardware.

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

    What is the process of creating computer programs called?

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

    A set of rules that tell a computer what operations to perform is known as a __________.

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

    Match the following computer-related terms with their definitions:

    <p>Computer = Machine for processing data Software = Instructions used to operate a computer Programming = The process of creating computer programs Hardware = Physical components of a computer</p> Signup and view all the answers

    Which of the following is NOT a function of a computer?

    <p>Making coffee</p> Signup and view all the answers

    What percentage of the overall assessment does the Final Exam contribute?

    <p>50%</p> Signup and view all the answers

    Name one key step involved in the Software Development Life Cycle.

    <p>Writing code</p> Signup and view all the answers

    Students must obtain a minimum of 50% in all continuous assessments to pass the module.

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

    Who is the course instructor for the IT1120 - Introduction to Programming module?

    <p>Dr.Junius Anjana</p> Signup and view all the answers

    Translators convert high-level programming languages into machine code.

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

    The practical test accounts for _____ of the overall assessment.

    <p>20%</p> Signup and view all the answers

    Match the following assessment components with their respective percentages:

    <p>Weekly Lab Submissions = 10% Mid Exam = 20% Practical Test = 20% Final Exam = 50%</p> Signup and view all the answers

    How many hours per week are allocated for lectures in the IT1120 course?

    <p>2 hours</p> Signup and view all the answers

    Lectures, tutorials, and labs each contribute equally to the module's delivery.

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

    What is the minimum overall mark required to qualify for a 'C' grade or above?

    <p>50%</p> Signup and view all the answers

    What is the purpose of the Java Virtual Machine (JVM)?

    <p>To translate bytecode into native machine language code.</p> Signup and view all the answers

    Java is a programming language designed only for web development.

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

    In what year was Java released to the public?

    <p>1995</p> Signup and view all the answers

    The _______ translates Java source code into bytecode.

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

    Match the following steps in the Java execution process:

    <p>Java source code = Step 1 Translation to bytecode = Step 2 Enter into the JVM = Step 3 Interpret the bytecode = Step 4 Running the Program = Step 5</p> Signup and view all the answers

    Which of the following is NOT a characteristic that Java was designed to have?

    <p>High-performance</p> Signup and view all the answers

    Java programs can only run on computers of the same type.

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

    Who was one of the key engineers behind the development of Java?

    <p>James Gosling</p> Signup and view all the answers

    Study Notes

    Low-level Programming Languages

    • Machine language consists of binary code (1s and 0s) and is machine-dependent.
    • Computers can directly interpret their own machine language without conversion.

    Assembly Languages

    • Utilize mnemonics (English-like abbreviations) for instructions, making them clearer for humans.
    • Requires translation into machine language via assemblers for computer comprehension.
    • Example assembly instructions: load salary, add bonus, store total.

    High-level Programming Languages

    • Instructions resemble English and mathematical notation, simplifying programming tasks.
    • A single statement can accomplish substantial tasks, making it user-friendly.
    • High-level languages need translation into machine language by compilers or interpreters.
    • Common high-level languages include C, C++, Python, Visual Basic, and Java.
    • Example high-level statement: total = salary + bonus;.

    Program Code Translation

    • Translators are essential for converting code between languages.
    • Assemblers convert assembly language to machine language.
    • Compilers convert high-level language to machine language.
    • Interpreters translate high-level language to machine language on-the-fly.

    Compiling

    • Compilation translates the entire source code file into machine code in one go.
    • If the source code has syntax errors, the machine code file will not be created; errors must be corrected first.

    Software Development Life Cycle

    • Involves creating computer programs through various steps, including requirements analysis, design, implementation, and testing.

    Role of Software

    • Software is a set of instructions to operate a computer and produce specific results.
    • Acts as a bridge between users and hardware, facilitating task management and problem-solving.

    Steps in Software Design and Testing

    • Desk checks and testing with known inputs help ensure algorithms produce correct outputs.
    • Review and refine algorithms based on test cases, correcting errors iteratively.

    History of Java

    • Developed in the early 1990s by Sun Microsystems, designed for simplicity and flexibility.
    • Released in 1995, it gained popularity for its cross-platform capabilities and utility in web development.
    • Continues to be favored for large business applications and Android development.

    How Java Works

    • Java source code is written in the Java programming language.
    • A Java compiler converts the source code to bytecode, which is machine-independent.
    • The bytecode is processed by the Java Virtual Machine (JVM), translating it into native machine code for execution.
    • This process ensures that the same Java program can run on any computer with a JVM, enhancing its versatility.

    Studying That Suits You

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    Quiz Team

    Description

    This quiz explores the fundamentals of different programming languages, including low-level, assembly, and high-level languages. Understand the unique characteristics of each type and the translation process from code to machine language. Test your knowledge on key examples and definitions.

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