Java Programming Vocabulary Quiz

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Questions and Answers

What does API stand for?

  • Application Program Interface (correct)
  • Automated Program Integration
  • Advanced Programming Instruction
  • Application Protocol Interface

What is an assembler?

A program that converts assembly language into machine language.

Define assembly language.

A low-level language created to ease the code writing.

What is a bit?

<p>A unit of measurement of information, 0 &amp; 1 create digits known as the binary number system.</p> Signup and view all the answers

What does a block in programming refer to?

<p>Curly braces {} that group the data and methods of the class.</p> Signup and view all the answers

What is a block comment?

<p>Comments for multiple line instructions.</p> Signup and view all the answers

What is a bus in computer architecture?

<p>A subsystem of computer components that power and data flow through.</p> Signup and view all the answers

Define byte.

<p>A sequence of 8 bits processed as a single unit of information.</p> Signup and view all the answers

What is bytecode?

<p>Similar to machine instructions but architecture neutral.</p> Signup and view all the answers

What is the purpose of the Bytecode Verifier?

<p>Checks the validity of the Bytecode and ensures it does not violate Java's security restrictions.</p> Signup and view all the answers

What is a cable modem?

<p>A device that uses the cable TV line for internet access and is generally faster than DSL.</p> Signup and view all the answers

What is a CPU?

<p>The part of a computer that does most of the data processing.</p> Signup and view all the answers

What is the role of a class loader in Java?

<p>Dynamically loads Java classes into the Java Virtual Machine.</p> Signup and view all the answers

Define a comment in programming.

<p>Text that helps programmers communicate and understand the program.</p> Signup and view all the answers

What is a compiler?

<p>A program that transforms source code into another computer language.</p> Signup and view all the answers

What does DSL stand for?

<p>Digital Subscriber Line.</p> Signup and view all the answers

What is an Integrated Development Environment (IDE)?

<p>A software application that provides comprehensive facilities for software development.</p> Signup and view all the answers

What is an interpreter?

<p>A program that changes source code into machine code for execution.</p> Signup and view all the answers

What is a library in programming?

<p>Contains predefined classes and interfaces for developing Java programs.</p> Signup and view all the answers

What is a Java Development Toolkit (JDK)?

<p>The software for developing and running Java programs.</p> Signup and view all the answers

Flashcards

Bit

The smallest unit of measurement in computing, represented by a binary digit (0 or 1).

API (Application Programming Interface)

A library of predefined classes and interfaces that provides a set of tools for building software applications in Java.

Assembly Language

A low-level programming language that provides a more human-readable way to write code compared to machine language.

Assembler

A program that translates assembly language into machine language, allowing the code to be executed by the computer.

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Byte

A collection of 8 bits that can represent one character of alphanumeric data.

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Bytecode

Code that is similar to machine code but is platform independent and can be executed on different computers that have a Java Virtual Machine (JVM).

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Bytecode Verifier

Software that verifies the integrity and safety of Java bytecode before it's executed, ensuring it complies with Java's security rules.

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Class Loader

A software module that loads Java classes into the JVM on demand, allowing programs to access necessary classes dynamically.

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Compiler

A program that converts source code from a high-level programming language into a target language, usually object code for execution by the computer.

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Java Command

A command-line tool that allows users to execute Java programs from the command prompt.

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Java Language Specification

A document that defines the rules and syntax of the Java programming language.

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Cable Modem

A high-speed internet connection that uses a cable TV line for data transmission, offering faster speeds than DSL.

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CPU (Central Processing Unit)

The brain of the computer, responsible for processing information and executing instructions. It consists of the Control Unit and Arithmetic/Logic Unit.

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DSL (Digital Subscriber Line)

A technology that transmits digital data over existing telephone lines, offering a way to get internet access.

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IDE (Integrated Development Environment)

A comprehensive software application that provides programmers with tools for writing, debugging, and running code, including a source code editor, build automation tools, and a debugger.

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Interpreter

A program that reads and executes code line by line without first generating a separate binary file, like a compiler.

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JDK (Java Development Toolkit)

A software package that includes all the necessary tools and libraries for developing Java applications, including the compiler, runtime environment, and documentation.

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High-Level Language

A programming language that is designed to be easy for humans to read and write, abstracting away the complexity of the underlying machine.

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Keyword (Reserved Word)

Words that have a specific meaning within a programming language and cannot be used for other purposes.

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Library

A collection of pre-written code modules (classes and interfaces) that can be reused in software projects.

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Block Comment

A comment in code that spans multiple lines, often enclosed in specific delimiters.

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Comment

An explanatory note within code that helps programmers understand what the code does.

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Line Comment

A comment in code that only applies to a single line, usually starting with a specific symbol.

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Dot Pitch

The distance between the centers of adjacent pixels on a display, measured in millimeters or dots per inch (DPI). A smaller dot pitch results in a sharper image.

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Encoding Scheme

A set of rules for translating characters, numbers, and symbols into a computer-readable format.

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Study Notes

Programming and Computer Concepts

  • Application Program Interface (API): A library of predefined classes and interfaces for Java program development.
  • Assembler: Converts assembly language into machine language, enabling code execution.
  • Assembly Language: A low-level programming language that simplifies code writing compared to machine language.
  • Bit: The smallest unit of measurement in computing, represented by a binary digit (0 or 1).
  • Byte: Comprises 8 bits and can represent one character of alphanumeric data.
  • Bytecode: Similar to machine code but architecture-neutral, allowing execution across different platforms with a Java Virtual Machine (JVM).

Java Programming

  • Bytecode Verifier: Validates bytecode to ensure it complies with Java's security settings.
  • Class Loader: Dynamically loads Java classes into the JVM on demand, abstracting file systems from the runtime environment.
  • Compiler: Transforms source code from a high-level programming language into a target language, typically object code for execution.
  • Java Command: Facilitates command-based execution of Java programs.
  • Java Language Specification: Defines the syntax and semantics of the Java programming language.

Computer Hardware and Connectivity

  • Cable Modem: Utilizes a cable TV line for internet access, typically offering faster speeds than DSL.
  • Central Processing Unit (CPU): The microprocessor component responsible for most data processing, consisting of a Control Unit and Arithmetic/Logic Unit.
  • Digital Subscriber Line (DSL): A technology that transmits digital data for internet access over local telephone network wires.

Software Development Tools

  • Integrated Development Environment (IDE): Comprehensive software for programming, including a source code editor, build automation tools, and debugger.
  • Interpreter: Directly converts source code into machine code for execution without generating a separate binary file.
  • Java Development Toolkit (JDK): Essential software package for developing and running Java applications.

Programming Language Characteristics

  • High-Level Language: Offers abstraction from computer details, simplifying programming and often automating complex memory management tasks.
  • Keyword (or reserved word): Special words within a programming language that hold specific meanings and cannot be repurposed.
  • Library: Contains a collection of predefined classes and interfaces for software development, similar to an API.

Comments and Code Structure

  • Block Comment: Used for multiline annotations in code, often enclosed in specific delimiters.
  • Comment: Provides explanatory notes within code to enhance understanding and maintainability.
  • Line Comment: Enables programmers to include brief explanatory notes using specific symbols.

Display Characteristics

  • Dot Pitch: Measures the space between pixels on a display, with smaller distances leading to a sharper image quality.

Data Transmission and Encoding

  • Encoding Scheme: Defines the rules for translating characters, numbers, and symbols into computer-readable data.

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