Python Chapter 1 Flashcards
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Questions and Answers

What is the Python script file extension name?

Word.py

What is an assembler?

A software used to translate assembly language programs into machine code

What is assembly language?

A low-level programming language that uses a mnemonic for each machine language instruction

What is a bit?

<p>A binary number 0 or 1</p> Signup and view all the answers

What is a bus in computing?

<p>The components are connected through a subsystem that transfers data or power between them</p> Signup and view all the answers

What is a byte?

<p>A unit of storage that consists of 8 bits</p> Signup and view all the answers

What does a cable modem do?

<p>Uses the TV cable line maintained by the cable company and is as fast as DSL</p> Signup and view all the answers

When you use a function in programming, you are said to be "invoking a function" or "_______________"

<p>calling a function</p> Signup and view all the answers

What is the central processing unit (CPU)?

<p>A small silicon semiconductor chip with millions of transistors that executes instructions</p> Signup and view all the answers

What is a comment in programming?

<p>Documents what a program is and how it is constructed; ignored by the compiler</p> Signup and view all the answers

What is a compiler?

<p>A software program that translates program source code into a machine language program</p> Signup and view all the answers

What does a console refer to in computing?

<p>Text entry and display device of a computer</p> Signup and view all the answers

What is dot pitch?

<p>The amount of space between pixels</p> Signup and view all the answers

What is DSL?

<p>Uses a phone line and can transfer data at speeds 20 times faster than a regular modem</p> Signup and view all the answers

What is an encoding scheme?

<p>A set of rules that govern how a computer translates characters, numbers, and symbols into data</p> Signup and view all the answers

What is a function in programming?

<p>A block of code to perform actions</p> Signup and view all the answers

What is hardware?

<p>The physical aspect of the computer that can be seen</p> Signup and view all the answers

What is a high-level programming language?

<p>English-like and easy to learn and program</p> Signup and view all the answers

What is indentation in programming?

<p>The use of tabs and spaces to improve readability of source code</p> Signup and view all the answers

Typing a statement at the >>> prompt and executing it is called running Python in _________________

<p>interactive mode</p> Signup and view all the answers

What does an interpreter do?

<p>Reads one statement from the source code, translates it to machine code or virtual machine code, and then executes it</p> Signup and view all the answers

What does IDLE stand for?

<p>Interactive DeveLopment Environment</p> Signup and view all the answers

What is a line comment?

<p>Text after the pound sign # in a line</p> Signup and view all the answers

What is a logic error?

<p>An error that causes the program to produce incorrect results</p> Signup and view all the answers

What is a low-level language?

<p>Close in nature to machine language and is machine-dependent (e.g., assembly language)</p> Signup and view all the answers

What is machine language?

<p>A set of primitive instructions built into every computer in binary code</p> Signup and view all the answers

What is memory in computing?

<p>Stores data and program instructions for CPU to execute</p> Signup and view all the answers

What does a modem do?

<p>Uses a phone line and can transfer data at speeds up to 56,000 bps</p> Signup and view all the answers

What is a module in programming?

<p>A text file for storing Python code; may also be called a script or source file</p> Signup and view all the answers

What is a motherboard?

<p>A circuit case that connects all of the parts of a computer together</p> Signup and view all the answers

What is a network interface card (NIC)?

<p>A device to connect a computer to a local area network (LAN)</p> Signup and view all the answers

What is an operating system (OS)?

<p>A program that manages and controls a computer's activities (e.g., Windows, Linux, Solaris)</p> Signup and view all the answers

What is a pixel?

<p>Tiny dots that form an image on the screen</p> Signup and view all the answers

Writing programs is called _______________

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

What is resolution in computing?

<p>Specifies the number of pixels per square inch</p> Signup and view all the answers

What is a runtime error?

<p>An error that causes the program to terminate abnormally</p> Signup and view all the answers

What is software?

<p>The invisible instructions that control the hardware and make it work</p> Signup and view all the answers

What is source code?

<p>The human-readable instructions that make up a program</p> Signup and view all the answers

Flashcards

Word.py

A file extension used for Python script files, indicating that the file contains Python code.

Assembler

A specialized program that converts instructions written in assembly language into machine code, which the computer's processor understands.

Assembly Language

A low-level programming language that uses mnemonics (short codes) to represent instructions for a computer's processor. It's closer to machine language than high-level languages.

Bit

The smallest unit of data in computing, representing a binary value 0 or 1, like a light switch that's either on or off.

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Bus

A subsystem that transports data or power between different components within a computer. Think of it as the highways that connect various parts of a computer.

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Byte

A unit of digital information consisting of 8 bits. It's commonly used to measure data storage sizes (e.g., hard drives, memory).

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Cable Modem

A device that uses a TV cable line to provide high-speed internet access, often comparable in speed to DSL.

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Calling a Function

The act of executing or calling a function during program execution. It's like telling a function to perform its specific task.

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CPU (Central Processing Unit)

The brain of a computer, a silicon chip containing millions of transistors that process instructions and perform computations.

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Comment

Descriptive text written within a program's code that is ignored by the compiler. It's used to explain the code's purpose and structure.

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Compiler

A software tool that translates human-readable source code written in a programming language into machine code that a computer can understand.

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Console

A text-based interface for interacting with a computer, typically involving typing commands and receiving output as text.

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Dot Pitch

A measurement of the distance between individual pixels (picture elements) on a display screen. Smaller dot pitch means higher image clarity.

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DSL (Digital Subscriber Line)

A technology that utilizes existing phone lines to provide high-speed internet access, exceeding the speeds of traditional modems.

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Encoding Scheme

A set of rules that define how characters, numbers, and other symbols are translated into computer-readable binary data.

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Function

A reusable block of code designed to perform a specific task. Think of it as a mini-program within a larger program.

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Hardware

The physical components of a computer system that you can physically touch, such as the keyboard, monitor, and hard drive.

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High-Level Programming Language

Programming languages that are designed to be easy for humans to read and write, often resembling English. They abstract away low-level details.

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Indentation

The use of spaces or tabs in code to improve readability and structure, marking the beginning and end of code blocks.

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Interactive Mode

A way of running Python code by typing commands directly into the interactive interpreter, receiving immediate results.

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Interpreter

A programming tool that executes code line by line, reading and interpreting instructions one at a time.

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IDLE

An integrated development environment for Python code, providing tools like a code editor, interpreter, and debugger.

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Line Comment

Comments in code that start with a pound sign (#) and continue on the same line. They are ignored by the compiler.

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Logic Error

An error in a program's logic that causes it to produce incorrect results. It is often difficult to detect, as the code runs without crashing.

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Low-Level Language

Programming languages that are designed to be machine dependent and very close to machine language. They offer limited abstraction and are less human-friendly.

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Machine Language

Binary-coded instructions, the only language a computer's processor can directly understand. It consists of 0s and 1s.

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Memory

The component that temporarily stores data and program instructions for the CPU to access quickly.

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Modem

A device that uses a phone line to connect to the internet, typically transferring data at slower speeds than DSL.

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Module

A file containing reusable Python code, which can be imported and used in other programs.

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Motherboard

The main circuit board in a computer that connects all the other components, acting as the central hub.

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NIC (Network Interface Card)

A hardware component, also known as a network card, that allows a computer to connect to a local area network (LAN).

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Operating System (OS)

Software that manages the basic functions of a computer, such as running applications, controlling hardware, and providing a user interface (e.g., Windows, Linux).

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Pixel

The smallest element of an image on a display screen, represented by a single point of color.

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Programming

The act of writing instructions for computers to follow, which includes designing, writing, testing, and debugging programs.

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Resolution

The number of pixels displayed per square inch on a screen, indicating the sharpness and detail of an image. Higher resolution means more pixels and finer details.

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Runtime Error

An error that occurs during the execution of a program, causing it to crash or behave abnormally. These errors usually happen due to unforeseen circumstances.

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Software

The set of instructions and data that control the operation of a computer's hardware, including the operating system, application programs, and data files.

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Source Code

The human-readable instructions written in a programming language that make up a program, before it's translated into machine code.

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Study Notes

Python Basics Flashcards

  • Word.py: File extension for Python script files.

  • Assembler: Software that translates assembly language programs into machine code.

  • Assembly Language: A low-level programming language using mnemonics for machine language instructions.

  • Bit: The smallest unit of data in computing, representing a binary value of 0 or 1.

  • Bus: Subsystem for transferring data or power between computer components.

  • Byte: Unit of digital information; consists of 8 bits. Data size (e.g., hard disk, memory) is measured in bytes. One megabyte is approximately a million bytes.

  • Cable Modem: Device using a TV cable line which provides speeds comparable to DSL.

  • Calling a Function: The process of invoking or executing a function in programming.

  • CPU (Central Processing Unit): Silicon chip with millions of transistors that executes instructions.

  • Comment: Documentative text in code, ignored by the compiler, explaining program structure.

  • Compiler: Software that translates source code into machine language.

  • Console: Text entry and display interface for a computer.

  • Dot Pitch: Measurement of the distance between pixels on a display.

  • DSL (Digital Subscriber Line): Technology using phone lines, capable of speeds up to 20 times faster than a standard modem.

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

  • Function: A block of code designed to perform specific actions.

  • Hardware: Physical components of a computer that can be physically observed.

  • High-Level Programming Language: Programming languages that are easy to read and write, resembling English.

  • Indentation: Use of spaces or tabs to improve code readability.

  • Interactive Mode: Running Python by typing commands at the >>> prompt for immediate execution.

  • Interpreter: Programming tool that processes and executes one statement after another from the source code.

  • IDLE: Integrated Development and Learning Environment for writing and testing Python code.

  • Line Comment: Comment in the code that follows a pound sign (#) on the same line.

  • Logic Error: A coding mistake that leads to incorrect program output.

  • Low-Level Language: Programming languages that are closely aligned with machine language and are machine dependent (e.g., assembly language).

  • Machine Language: Binary-coded instructions native to a computer's processor.

  • Memory: Component that stores data and program instructions for the CPU.

  • Modem: Device that connects to a phone line, transferring data at speeds up to 56,000 bits per second.

  • Module: Text file containing reusable Python code, also known as a script or source file.

  • Motherboard: Main circuit board connecting all computer parts.

  • NIC (Network Interface Card): Hardware for connecting a computer to a local area network (LAN).

  • Operating System (OS): Software that manages computer activities (e.g., Windows, Linux).

  • Pixel: Smallest element of an image displayed on a screen.

  • Programming: The act of writing computer programs.

  • Resolution: Indicates the number of pixels displayed per square inch.

  • Runtime Error: An error during program execution that leads to abnormal termination.

  • Software: Invisible instructions that control hardware operation.

  • Source Code: Human-readable instructions that make up a program.

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Test your knowledge with this collection of flashcards from Chapter 1 of Python. Each card features key terms and their definitions, helping you grasp fundamental programming concepts. Mastering these terms is crucial for your journey in Python programming.

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