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Questions and Answers
What is the first step in testing a software solution?
What is the basis of assembly languages?
Reviewing the requirements is unnecessary if you are confident in your algorithm.
False
Machine languages consist of human-readable text.
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What should a programmer do if they identify errors in the algorithm during testing?
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Name one example of a high-level programming language.
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To calculate the area of a circle, the input needed from the user is the ______.
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The process of translating source code into machine code as a complete unit is known as __________.
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Match the programming languages to their characteristics:
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Match the following programming languages with their type:
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Which of the following statements is true regarding high-level programming languages?
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Assemblers are used to convert high-level programming languages into machine language.
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What happens if a syntax error is found during the compilation process?
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What is the primary function of a computer?
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Software is defined as a set of instructions that allows a user to work with a computer's hardware.
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What is the process of creating computer programs called?
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A set of rules that tell a computer what operations to perform is known as a __________.
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Match the following computer-related terms with their definitions:
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Which of the following is NOT a function of a computer?
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What percentage of the overall assessment does the Final Exam contribute?
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Name one key step involved in the Software Development Life Cycle.
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Students must obtain a minimum of 50% in all continuous assessments to pass the module.
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Who is the course instructor for the IT1120 - Introduction to Programming module?
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Translators convert high-level programming languages into machine code.
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The practical test accounts for _____ of the overall assessment.
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Match the following assessment components with their respective percentages:
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How many hours per week are allocated for lectures in the IT1120 course?
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Lectures, tutorials, and labs each contribute equally to the module's delivery.
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What is the minimum overall mark required to qualify for a 'C' grade or above?
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What is the purpose of the Java Virtual Machine (JVM)?
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Java is a programming language designed only for web development.
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In what year was Java released to the public?
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The _______ translates Java source code into bytecode.
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Match the following steps in the Java execution process:
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Which of the following is NOT a characteristic that Java was designed to have?
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Java programs can only run on computers of the same type.
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Who was one of the key engineers behind the development of Java?
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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.
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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.