Intro To Programming - Java (ch 1)

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| By Thames

Thames

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| Questions: 22

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1. What is a program?

A programming language.

A program is a set of instructions that a computer follows in order to perform a task.

A type of computer hardware.

A collection of software bugs.

A program is not computer hardware, bugs, or a programming language. It is a specific set of instructions for a computer to follow.

Explanation

A program is not computer hardware, bugs, or a programming language. It is a specific set of instructions for a computer to follow.

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About This Quiz

Intro To Programming - Java (Ch 1) - Quiz

Dive into the basics of Java programming with this focused assessment, which is designed to test foundational skills in Java as outlined in 'Starting Out with Java From... see moreControl Structures through Data Structures'. This is ideal for beginners looking to understand core concepts and apply them in Java development. see less

2. What is an algorithm?

A list of random instructions.

A set of well defined steps to completing a task.

A type of computer virus.

An advanced mathematical formula.

An algorithm is a systematic approach to solving a problem or completing a task, typically involving a sequence of steps that need to be followed in a specific order.

Explanation

An algorithm is a systematic approach to solving a problem or completing a task, typically involving a sequence of steps that need to be followed in a specific order.

Submit

3. Why were programming languages invented?

To make programming more difficult

To ease the task of programming.

To limit the potential of software development

To confuse developers

Programming languages were created to simplify the process of writing code and make it easier for programmers to communicate instructions to computers.

Explanation

Programming languages were created to simplify the process of writing code and make it easier for programmers to communicate instructions to computers.

Submit

4. What is a programming language?

A type of mathematical equation used to solve complex problems.

A type of software used for editing documents and images.

A vocabulary and set of grammatical rules for instructing a computer to perform specific tasks.

A physical device used to input data into a computer system.

A programming language is a structured way to communicate instructions to a computer. It is not a mathematical equation, input device, or document editing software.

Explanation

A programming language is a structured way to communicate instructions to a computer. It is not a mathematical equation, input device, or document editing software.

Submit

5. Who is credited with the creation of Java programming language?

IBM

Apple Inc.

Microsoft

Sun Microsystems

Java was developed by Sun Microsystems in the early 1990s as a programming language for digital devices.

Explanation

Java was developed by Sun Microsystems in the early 1990s as a programming language for digital devices.

Submit

6. What is Java?

Java is a type of coffee originating from Indonesia.

Java is a high level programming language that derives much of its syntax from C and C++ but has a simpler object model.

Java is a computer virus that infects systems through malicious websites.

Java is a type of island in the Pacific Ocean known for its volcanic activity.

Java is a high level programming language commonly used for building web applications, mobile apps, and enterprise software. It is not related to the coffee, computer virus, or island mentioned in the incorrect answers.

Explanation

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7. Primary goal in the creation of the Java language:

Focus on low-level programming operations.

Creation of a language for artificial intelligence development.

1. Use of object-oriented programming methodology.

Implementation of a functional programming paradigm.

Java was created with the primary goal of using object-oriented programming methodology, which allows for efficient code organization and reusability.

Explanation

Java was created with the primary goal of using object-oriented programming methodology, which allows for efficient code organization and reusability.

Submit

8. What is source code?

A type of coffee made from specially roasted beans.

An ancient manuscript written in a foreign language.

Programming statements written by the programmer

A tool used to measure soil acidity levels.

Source code refers to the programming statements written by the programmer to create a computer program. It is the human-readable text that is translated into machine code by a compiler or interpreter.

Explanation

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9. Primary goal (2) in the creation of the Java language:

Facilitate the creation of web-based applications.

2. Same program can be executed on multiple operating systems.

Minimize memory usage and maximize efficiency.

Optimize for high performance computing.

The primary goal in the creation of the Java language was to allow the same program to be executed on multiple operating systems, known as 'write once, run anywhere'. This is a key feature of Java that differentiates it from other programming languages.

Explanation

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10. Primary goal (3) in the creation of the Java language:

To have a strict adherence to functional programming principles.

To be primarily focused on desktop application development.

To minimize memory usage and maximize performance.

3. Contains built-in support for using computer networks.

The correct answer refers to one of the primary goals in the creation of Java, which is to have built-in support for computer networks. This feature allowed Java to become widely used in developing networked applications.

Explanation

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11. What was the primary goal (4) in the creation of the Java language?

1. To be a platform-specific language for Windows operating system.

3. To focus on real-time operating systems and embedded systems.

2. To replace the C++ programming language completely.

4. Designed to execute code from remote sources securely.

The primary goal in the creation of the Java language was to design it to execute code from remote sources securely, known as the 'sandbox' environment, which ensures that downloaded code does not harm the system it is running on.

Explanation

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12. Primary goal in the creation of the Java language:

Limit the portability of the language to specific operating systems.

5. Easy to use, selects the good parts of other object-oriented languages.

Incorporate complex mathematical functions into the language.

Maximize speed and efficiency of code execution.

The primary goal in creating the Java language was to make it easy to use while selecting the best features from other object-oriented languages. This approach aimed to make Java accessible to a wide range of developers.

Explanation

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13. What is the purpose of a text editor?

Used to play music

Used to browse the internet

Used to edit and save a source code file.

Used to make phone calls

A text editor is specifically designed for editing and saving source code files, not for playing music, browsing the internet, or making phone calls. It provides features that are essential for programmers and developers to write and modify code efficiently.

Explanation

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14. What does a compiler do?

Optimizes the performance of a program during runtime

Checks for syntax errors in source code

Translates source code file into another fileholding the translated instructions; source code into executable files; contains machine code.

Manages memory allocation for variables

A compiler translates source code into executable files, hence making the program understandable by the machine. It does not perform syntax checking, runtime optimization, or memory management.

Explanation

A compiler translates source code into executable files, hence making the program understandable by the machine. It does not perform syntax checking, runtime optimization, or memory management.

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15. What are syntax errors typically recognized as?

Usually runtime errors, detected during translation process.

Frequently mistaken as compilation errors that are caught after translating code.

Often seen as logical errors that are found during execution.

Commonly known as type errors that occur during the coding phase.

Syntax errors are mistakes in the usage of programming language syntax that are typically discovered during the translation process before the program is executed. They are different from logical errors, type errors, and compilation errors, as they directly pertain to the structure of the code.

Explanation

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16. What are byte code instructions?

Cannot be directly executed directly by the CPU, the JVMs machine language

Byte code instructions are executed directly by the CPU.

Byte code instructions are human-readable code.

Byte code instructions are specific to hardware architecture.

Byte code instructions are designed to be platform-independent and are meant to be executed by the Java Virtual Machine (JVM), which then translates them into machine code that the CPU can execute.

Explanation

Byte code instructions are designed to be platform-independent and are meant to be executed by the Java Virtual Machine (JVM), which then translates them into machine code that the CPU can execute.

Submit

17. What does JVM stand for?

Java Virtual Machine

Java Visualization Model

JavaScript Virtual Machine

Just Virtual Memory

JVM stands for Java Virtual Machine, which is an essential part of the Java runtime environment responsible for executing Java bytecode.

Explanation

JVM stands for Java Virtual Machine, which is an essential part of the Java runtime environment responsible for executing Java bytecode.

Submit

18. The JVM is a program that emulates a _____.

Compilation

Micro-processor.

Web browser

Operating system

The JVM (Java Virtual Machine) is a program that works as a virtual machine, emulating a micro-processor to execute Java bytecode. The correct answer is 'micro-processor'.

Explanation

The JVM (Java Virtual Machine) is a program that works as a virtual machine, emulating a micro-processor to execute Java bytecode. The correct answer is 'micro-processor'.

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19. What does the JVM do with instructions as they are read?

Stores instructions

Interprets code

Executes instructions

Compiles code

The correct answer is 'executes instructions' because the Java Virtual Machine (JVM) is responsible for interpreting and executing Java bytecode instructions as they are read.

Explanation

The correct answer is 'executes instructions' because the Java Virtual Machine (JVM) is responsible for interpreting and executing Java bytecode instructions as they are read.

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20. What is JVM often referred to as?

Interpreter

A debugger

A compiler

A linker

JVM (Java Virtual Machine) is often referred to as an interpreter because it interprets Java bytecode and executes it line by line.

Explanation

JVM (Java Virtual Machine) is often referred to as an interpreter because it interprets Java bytecode and executes it line by line.

Submit

21. Java is often referred to as an __________.

Interpreted language

Scripting language

Object-oriented language

Compiled language

Java is often referred to as an interpreted language because it is first compiled into bytecode, which is then interpreted by the Java Virtual Machine (JVM) at runtime.

Explanation

Java is often referred to as an interpreted language because it is first compiled into bytecode, which is then interpreted by the Java Virtual Machine (JVM) at runtime.

Submit

22. Each _____ _____ __ _____ has a Java Virtual Machine developed for it.

Type of computerEx: JVM for Windows, Linux, Solaris,etc.

Internet browser

Brand of smartphone

Operating system

The Java Virtual Machine (JVM) is developed for different types of computers like Windows, Linux, and Solaris. It is not specifically designed for brands of smartphones, operating systems, or internet browsers.

Explanation

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