Sunday, August 18, 2024

WHAT IS THE LAPTOP?

 


WHAT IS THE LAPTOP?


01. Introduction

Laptops have become an essential part of our daily lives, offering mobility and versatility for both work and leisure. This book, "What is the Laptop?" aims to guide readers through understanding what a laptop is, its components, functionalities, benefits, and how to make informed decisions when choosing one.


02. Topics and Sub-Topics

Chapter 1: Understanding Laptops

  • What is a Laptop?
    • Definition of a laptop
    • History and evolution of laptops
    • Differences between laptops, desktops, and tablets
  • Components of a Laptop
    • Screen (Display Types: LCD, LED, OLED)
    • Keyboard and Trackpad
    • Ports (USB, HDMI, etc.)
    • Battery
    • Motherboard
    • Processor (CPU)
    • Memory (RAM)
    • Storage (HDD, SSD)
    • Graphics Card (GPU)

Chapter 2: Types of Laptops

  • Categories Based on Usage
    • Ultrabooks
    • Gaming Laptops
    • 2-in-1 Laptops (Convertible)
    • Business Laptops
    • Budget Laptops
  • Operating Systems
    • Windows
    • macOS
    • Linux
    • Chrome OS

Chapter 3: How to Choose a Laptop

  • Purpose and Usage
    • For Students
    • For Professionals
    • For Gamers
    • For Creatives (e.g., designers, video editors)
  • Key Specifications to Consider
    • Processor Speed
    • RAM Size
    • Storage Type and Capacity
    • Display Resolution and Size
    • Battery Life
    • Build Quality and Durability

Chapter 4: Advantages and Disadvantages of Laptops

  • Advantages
    • Portability
    • Versatility
    • Energy Efficiency
  • Disadvantages
    • Limited Upgradability
    • Higher Cost Compared to Desktops
    • Potential for Overheating

Chapter 5: Tips and Tricks for Laptop Users

  • Maximizing Battery Life
  • Keyboard Shortcuts for Efficiency
  • Maintaining and Cleaning Your Laptop
  • Improving Laptop Performance

Chapter 6: Troubleshooting Common Laptop Issues

  • Slow Performance
  • Overheating
  • Connectivity Problems
  • Battery Not Charging

Chapter 7: Useful Resources

  • Websites for Laptop Reviews
    • CNET
    • TechRadar
    • LaptopMag
  • Online Forums and Communities
    • Reddit (r/laptops)
    • Tom’s Hardware
    • NotebookReview

Chapter 8: FAQs

  • Common Questions and Answers
    • What is the best laptop for students?
    • How do I increase the battery life of my laptop?
    • Is it better to buy a laptop with an SSD or HDD?

03. Detailed Explanation of Topics

 

Chapter 1: Understanding Laptops

  • What is a Laptop?
    A laptop is a portable computer designed for mobile use, integrating all components (display, keyboard, processor, memory, and storage) into a single device. Examples include Apple's MacBook series and Dell's XPS line.
  • Components of a Laptop:
    The CPU acts as the brain of the laptop, while RAM allows it to handle multiple tasks simultaneously. Storage, such as SSD, provides fast access to files.

Chapter 2: Types of Laptops

  • Gaming Laptops:
    These laptops feature powerful GPUs like NVIDIA RTX series and are designed to handle high-end games. An example is the ASUS ROG series.

Chapter 3: How to Choose a Laptop

  • For Students:
    Focus on battery life and portability. A Chromebook might be ideal due to its lightweight and efficiency.

Chapter 4: Advantages and Disadvantages of Laptops

  • Advantages:
    Portability allows you to work from anywhere, making it ideal for remote work.
  • Disadvantages:
    Limited upgradability can be a drawback for those needing to enhance performance over time.

Chapter 5: Tips and Tricks for Laptop Users

  • Maximizing Battery Life:
    Lower screen brightness and close unnecessary applications.

Chapter 6: Troubleshooting Common Laptop Issues

  • Slow Performance:
    Consider upgrading your RAM or switching to an SSD.

04. Advantages and Disadvantages

Advantages:

  • Portability allows flexibility in work location.
  • All-in-one design is space-saving.

Disadvantages:

  • Generally more expensive than desktops with similar specs.
  • Limited upgrade options, particularly for RAM and GPU.

05. Websites for Further Details


06. Tips and Tricks

  • Regularly update your OS and software for security and performance.
  • Clean your laptop’s vents to prevent overheating.

07. FAQs

  • Q: What is the best laptop for a college student?
    A: Consider a lightweight laptop with long battery life, such as the MacBook Air or a Chromebook.

 

 

01. Introduction


Introduction

A laptop is a portable computer that integrates all the essential components of a desktop computer, such as a display, keyboard, and processing unit, into a single, compact device. Laptops are designed for mobility, allowing users to carry them anywhere and perform various computing tasks on the go. Over the years, laptops have evolved from bulky, expensive machines to sleek, powerful, and versatile devices that cater to different needs, whether for work, study, gaming, or entertainment.


Definition of a Laptop

A laptop, also known as a notebook, is a small, portable personal computer with a "clamshell" form factor, typically having a thin LCD or LED screen mounted on the inside of the upper lid and an alphanumeric keyboard on the inside of the lower lid. When closed, the laptop is easy to carry, making it a convenient device for mobile computing.


History and Evolution of Laptops

  • Early Beginnings: The concept of a portable computer was first realized in the early 1980s with the introduction of devices like the Osborne 1, which was the first commercially successful portable computer. However, it was bulky and limited in capability.
  • Development: Throughout the 1980s and 1990s, laptops became more compact, with significant advancements in battery technology, display quality, and processing power. The introduction of the IBM ThinkPad in 1992 and Apple's PowerBook in 1991 were key milestones.
  • Modern Laptops: Today, laptops are ultra-thin, lightweight, and powerful, with various models designed for specific purposes, including gaming, business, education, and creative work.

Differences Between Laptops, Desktops, and Tablets

  • Laptops vs. Desktops:
    • Portability: Laptops are portable, while desktops are stationary.
    • Upgradability: Desktops offer greater upgradability in terms of hardware components, whereas laptops have limited upgrade options.
    • Power Consumption: Laptops are more power-efficient, with built-in batteries, while desktops require a constant power source.
  • Laptops vs. Tablets:
    • Functionality: Laptops offer a full keyboard and more powerful hardware, making them suitable for a wider range of tasks, from professional work to gaming.
    • Portability: Tablets are more portable and often come with touchscreens, making them ideal for casual browsing, reading, and media consumption.
    • Operating Systems: Laptops generally run full operating systems like Windows, macOS, or Linux, while tablets usually run mobile operating systems like iOS or Android.

02. What is a Laptop?

A laptop is a portable personal computer designed for mobile use. It integrates the components of a desktop computer, including a display, keyboard, and trackpad (or mouse) into a single device. Laptops are typically smaller, lighter, and more energy-efficient than desktops, making them ideal for work, study, and entertainment on the go.


Definition of a Laptop

A laptop, also known as a notebook, is a compact, portable computer that includes all the essential hardware components required to operate a computer, such as a screen, keyboard, storage, memory, and processing unit. Laptops run on battery power but can also be plugged into an electrical outlet. They are designed to be easily carried and used in various environments.


History and Evolution of Laptops

  • 1970s: The concept of a portable computer emerged in the late 1970s with devices like the IBM 5100, which, while portable, was large and bulky by today’s standards.
  • 1981: The Osborne 1, often considered the first true laptop, was released. It weighed 24 pounds and had a small 5-inch screen, making it challenging to carry but groundbreaking for its time.
  • 1983: Compaq Portable introduced compatibility with IBM PCs, marking the beginning of widespread adoption. It was still heavy, but it set the stage for the modern laptop design.
  • 1989: Apple introduced the Macintosh Portable, which, despite being a commercial failure, led to the development of the first PowerBook in 1991, revolutionizing the laptop industry with its innovative design.
  • 1990s: The 1990s saw significant advancements in laptop technology, including lighter designs, improved battery life, and better displays. Notable models include IBM’s ThinkPad series, which set new standards for durability and design.
  • 2000s and Beyond: Laptops became more powerful and affordable, with innovations like solid-state drives (SSDs), high-definition displays, and longer battery life. Ultrabooks, tablets, and 2-in-1 laptops emerged, offering users a variety of portable computing options.

Differences Between Laptops, Desktops, and Tablets

  • Laptops:
    • Portability: Laptops are portable and can be used on the go, thanks to their compact size and battery power.
    • Integrated Components: Laptops combine the screen, keyboard, trackpad, and hardware in one unit.
    • Use Cases: Suitable for both work and leisure, allowing users to perform tasks anywhere.
  • Desktops:
    • Power and Upgradability: Desktops offer more powerful hardware and are easier to upgrade with new components like additional RAM, storage, or graphics cards.
    • Fixed Location: Desktops are stationary and require a dedicated space for setup, including external monitors, keyboards, and mice.
    • Performance: Often more powerful than laptops, desktops are ideal for gaming, professional work, and heavy computational tasks.
  • Tablets:
    • Touchscreen Interface: Tablets rely on touch input and often come without a physical keyboard (though one can be added).
    • Portability: Even more portable than laptops, tablets are light and easy to carry but typically less powerful.
    • Use Cases: Best for casual use, media consumption, and light productivity tasks. Some tablets, like the iPad Pro, offer accessories that allow them to function more like laptops.

Components of a Laptop

A laptop is composed of several key components that work together to provide a seamless computing experience. Understanding these components helps users make informed decisions when purchasing or upgrading their laptops.


Screen (Display Types: LCD, LED, OLED)

  • LCD (Liquid Crystal Display):
    • Most common display type in laptops.
    • Uses liquid crystals to produce images, requiring a backlight (usually LED).
    • Advantages: Cost-effective, energy-efficient.
    • Disadvantages: Limited color contrast and viewing angles compared to OLED.
  • LED (Light Emitting Diode):
    • A type of LCD that uses LED backlighting instead of CCFL (Cold Cathode Fluorescent Lamps).
    • Provides better brightness and energy efficiency than traditional LCDs.
    • Often used synonymously with LCD in modern laptops.
  • OLED (Organic Light Emitting Diode):
    • Uses organic compounds that emit light when an electric current is applied, eliminating the need for a backlight.
    • Advantages: Rich colors, deep blacks, high contrast, and wide viewing angles.
    • Disadvantages: More expensive and can suffer from burn-in over time.

Keyboard and Trackpad

  • Keyboard:
    • Laptops feature built-in keyboards that vary in size and layout depending on the laptop’s form factor.
    • Types: Mechanical (rare in laptops, mostly in gaming models) and membrane (common in most laptops).
    • Features: Backlit keyboards are common in modern laptops, improving usability in low-light environments.
  • Trackpad:
    • Acts as the primary pointing device, replacing the need for a mouse.
    • Supports multi-touch gestures (e.g., pinch-to-zoom, scrolling).
    • Some laptops feature precision trackpads that offer more accurate and responsive input.

Ports (USB, HDMI, etc.)

  • USB (Universal Serial Bus):
    • Used for connecting peripherals like mice, keyboards, storage devices, and smartphones.
    • Variants include USB-A, USB-C, and USB 3.0/3.1/3.2 for faster data transfer.
  • HDMI (High-Definition Multimedia Interface):
    • Allows the laptop to connect to external displays, TVs, and projectors for high-definition video and audio output.
    • Common in multimedia and gaming laptops.
  • Other Ports:
    • Ethernet (RJ-45): For wired internet connections.
    • Audio Jack: For headphones and microphones.
    • SD Card Slot: For expanding storage or transferring media from cameras.

Battery

  • Function: Powers the laptop when it is not plugged into an electrical outlet, allowing portability.
  • Types:
    • Lithium-ion (Li-ion): Common in most laptops, offering a good balance of capacity, weight, and longevity.
    • Lithium-polymer (Li-po): Often found in thinner laptops, providing similar benefits as Li-ion but in a more flexible form factor.
  • Capacity: Measured in watt-hours (Wh), with higher capacity leading to longer battery life.

Motherboard

  • Function: The central circuit board that connects all the components of the laptop, including the CPU, RAM, storage, and ports.
  • Features:
    • Houses the chipset that manages data flow between the processor, memory, and peripherals.
    • Often contains integrated components like audio, network adapters, and occasionally graphics.

Processor (CPU)

  • Function: The brain of the laptop, responsible for executing instructions and processing data.
  • Types:
    • Intel: Core i3, i5, i7, i9 series.
    • AMD: Ryzen 3, 5, 7, 9 series.
    • Apple: M1, M2 chips in MacBooks.
  • Key Considerations:
    • Clock Speed: Measured in GHz; higher speeds mean faster performance.
    • Cores and Threads: More cores/threads allow for better multitasking and handling of complex tasks.

Memory (RAM)

  • Function: Temporary storage that the CPU uses to store and access data quickly while performing tasks.
  • Types:
    • DDR4/DDR5: Most common in modern laptops, offering fast speeds and efficiency.
  • Capacity: Typically ranges from 4GB (basic use) to 32GB (gaming and professional tasks). More RAM allows for smoother multitasking and handling of demanding applications.

Storage (HDD, SSD)

  • HDD (Hard Disk Drive):
    • Traditional storage with spinning disks and mechanical parts.
    • Advantages: High capacity, lower cost.
    • Disadvantages: Slower speeds, more prone to physical damage.
  • SSD (Solid State Drive):
    • Modern storage with no moving parts, offering faster data access and boot times.
    • Advantages: Speed, durability, energy efficiency.
    • Disadvantages: More expensive per GB than HDDs.
    • NVMe SSDs: Even faster than traditional SATA SSDs, commonly used in high-performance laptops.

Graphics Card (GPU)

  • Function: Handles rendering of images, video, and animations, crucial for gaming, video editing, and graphic design.
  • Types:
    • Integrated GPU: Built into the CPU, suitable for basic tasks like web browsing and video streaming.
    • Dedicated GPU: Separate from the CPU, offers superior performance for demanding applications. Examples include NVIDIA GeForce and AMD Radeon series.
  • VRAM (Video RAM): Memory used by the GPU. More VRAM allows for better performance in graphically intensive tasks.

 

 

Chapter 2: Types of Laptops

Laptops come in various types, each designed to meet different needs and preferences. This chapter explores the different categories of laptops based on usage and operating systems, helping users choose the right device for their specific requirements.


Categories Based on Usage

  1. Ultrabooks
    • Description: Ultrabooks are slim, lightweight laptops that offer powerful performance in a portable package. They are ideal for professionals who need a high-performing device that’s easy to carry.
    • Key Features:
      • Thin and lightweight design (usually under 3 pounds).
      • Long battery life, often exceeding 10 hours.
      • High-resolution displays (often 1080p or higher).
      • SSD storage for quick boot times.
    • Examples: Dell XPS 13, MacBook Air, HP Spectre x360.
  2. Gaming Laptops
    • Description: Gaming laptops are built for high-performance gaming and are equipped with powerful graphics cards, high-refresh-rate displays, and enhanced cooling systems.
    • Key Features:
      • Dedicated GPU (e.g., NVIDIA GeForce, AMD Radeon).
      • High-refresh-rate displays (120Hz, 144Hz, or higher).
      • RGB backlit keyboards.
      • Advanced cooling systems to manage heat during intense gaming sessions.
    • Examples: ASUS ROG Zephyrus, MSI GS66 Stealth, Alienware m15.
  3. 2-in-1 Laptops (Convertible)
    • Description: 2-in-1 laptops offer the flexibility to function as both a laptop and a tablet. They come with a touchscreen and a hinge that allows the screen to rotate 360 degrees or detach from the keyboard.
    • Key Features:
      • Touchscreen with stylus support.
      • Convertible or detachable design.
      • Versatile modes (laptop, tablet, tent, stand).
    • Examples: Microsoft Surface Pro, Lenovo Yoga Series, HP Envy x360.
  4. Business Laptops
    • Description: Business laptops are designed for professionals who need reliable performance, enhanced security, and long battery life. They often feature business-oriented software and hardware.
    • Key Features:
      • Robust security features (fingerprint scanner, TPM).
      • Durable build quality.
      • Long battery life and fast charging.
      • Enterprise-grade support and warranty options.
    • Examples: Lenovo ThinkPad X1 Carbon, Dell Latitude, HP EliteBook.
  5. Budget Laptops
    • Description: Budget laptops are designed for basic tasks such as web browsing, word processing, and media consumption. They offer essential features at an affordable price.
    • Key Features:
      • Affordable price (usually under $500).
      • Basic hardware specifications (e.g., 4GB RAM, 128GB SSD).
      • Suitable for students and casual users.
    • Examples: Acer Aspire 5, Lenovo IdeaPad, HP Stream.

Operating Systems

  1. Windows
    • Overview: Windows is the most widely used operating system in laptops, known for its versatility and compatibility with a vast range of software.
    • Key Features:
      • User-friendly interface with extensive software support.
      • Regular updates and security patches.
      • Supports touch, pen, and voice input.
    • Usage: Suitable for both personal and professional use, gaming, and creative work.
  2. macOS
    • Overview: macOS is Apple’s proprietary operating system, known for its sleek design, stability, and seamless integration with other Apple devices.
    • Key Features:
      • Intuitive interface with built-in apps for creativity and productivity.
      • Integration with iCloud, iPhone, iPad, and Apple Watch.
      • Regular updates and strong security.
    • Usage: Preferred by creatives, designers, and users within the Apple ecosystem.
  3. Linux
    • Overview: Linux is an open-source operating system that offers customization and control. It is favored by developers, IT professionals, and tech enthusiasts.
    • Key Features:
      • Highly customizable with various distributions (e.g., Ubuntu, Fedora, Debian).
      • Lightweight and efficient, suitable for older hardware.
      • Strong security features with less susceptibility to malware.
    • Usage: Ideal for programming, server management, and users who prefer open-source software.
  4. Chrome OS
    • Overview: Chrome OS is a lightweight operating system developed by Google, focused on cloud-based applications and designed for simplicity and speed.
    • Key Features:
      • Fast boot times and efficient performance on low-end hardware.
      • Integration with Google services (Gmail, Drive, Docs).
      • Ability to run Android apps and Linux apps.
    • Usage: Best for students, casual users, and those who primarily use web-based applications.

 

Chapter 3: Detailed Analysis of Laptop Types

In this chapter, we will dive deeper into the various types of laptops, examining their features, advantages, disadvantages, and suitable use cases. We will also analyze the different operating systems, providing examples and practical advice for selecting the right laptop based on specific needs.


1. Ultrabooks

  • Features:
    • Design: Thin, lightweight, and stylish, often under 3 pounds.
    • Performance: Equipped with efficient processors (Intel Core i5/i7 or AMD Ryzen 5/7), SSD storage, and high-resolution displays.
    • Battery Life: Typically 10-15 hours, suitable for all-day use.
  • Advantages:
    • Portability and sleek design make them ideal for frequent travelers and professionals.
    • Long battery life and quick boot times enhance productivity.
  • Disadvantages:
    • Limited upgradability due to compact design.
    • Higher cost compared to standard laptops.

 

 

 

  • Use Cases:
    • Ideal for business professionals, students, and anyone needing a powerful, portable laptop.

2. Gaming Laptops

  • Features:
    • Performance: High-end CPUs (Intel Core i7/i9, AMD Ryzen 7/9) and dedicated GPUs (NVIDIA RTX, AMD Radeon).
    • Display: High refresh rates (120Hz, 144Hz, or higher) for smooth gaming experiences.
    • Cooling Systems: Advanced cooling to manage heat during intense gaming.
  • Advantages:
    • Powerful hardware for gaming, video editing, and 3D rendering.
    • Customizable RGB lighting and durable build quality.
  • Disadvantages:
    • Heavier and bulkier than other laptops, reducing portability.
    • Shorter battery life due to high power consumption.
  • Use Cases:
    • Perfect for gamers, video editors, and creative professionals needing high performance.

3. 2-in-1 Laptops (Convertible)

  • Features:
    • Versatility: Can switch between laptop, tablet, tent, and stand modes.
    • Touchscreen: Often supports stylus input for drawing and note-taking.
    • Portability: Lightweight and portable with varying sizes.
  • Advantages:
    • Versatile design suitable for multiple tasks.
    • Ideal for creatives and students who need both a laptop and tablet.
  • Disadvantages:
    • Typically more expensive than standard laptops.
    • Some models may have performance compromises due to their hybrid nature.
  • Use Cases:
    • Suitable for artists, designers, students, and anyone who needs flexibility in their device.

4. Business Laptops

  • Features:
    • Security: Built-in features like fingerprint readers, TPM chips, and secure boot.
    • Durability: Designed to withstand heavy use, with spill-resistant keyboards and rugged casings.
    • Battery Life: Often provides extended battery life for long workdays.
  • Advantages:
    • Robust security features make them ideal for sensitive work environments.
    • Reliable performance with enterprise support options.
  • Disadvantages:
    • Higher cost compared to consumer laptops.
    • Focused on productivity, often lacking in multimedia and gaming features.
  • Use Cases:
    • Ideal for business professionals, government workers, and anyone requiring a secure, dependable laptop.

5. Budget Laptops

  • Features:
    • Affordability: Prioritizes cost over high-end features.
    • Basic Hardware: Often includes lower-tier processors, limited RAM, and smaller storage.
    • Design: Simple and functional, with minimalistic features.
  • Advantages:
    • Low cost makes them accessible to a wide audience.
    • Suitable for everyday tasks like web browsing, word processing, and media consumption.
  • Disadvantages:
    • Limited performance, not suitable for gaming or demanding applications.
    • Lower build quality and shorter lifespan.
  • Use Cases:
    • Ideal for students, casual users, and anyone needing an affordable, basic laptop.

Operating Systems

1. Windows

  • Advantages:
    • Broad compatibility with software and hardware.
    • Regular updates, extensive support network, and wide usage across various industries.
  • Disadvantages:
    • Vulnerable to malware and requires regular updates and security measures.
    • Can become slow over time without proper maintenance.

2. macOS

  • Advantages:
    • Seamless integration with Apple devices, highly stable and secure.
    • Regular updates and user-friendly interface.
  • Disadvantages:
    • Limited to Apple hardware, higher cost.
    • Less software availability for certain professional applications (compared to Windows).

3. Linux

  • Advantages:
    • Highly customizable, open-source, and free to use.
    • Secure and efficient, with minimal system resource requirements.
  • Disadvantages:
    • Steeper learning curve, less support for mainstream software.
    • Limited gaming and multimedia options compared to Windows and macOS.

4. Chrome OS

  • Advantages:
    • Lightweight, fast, and secure with regular updates.
    • Designed for cloud computing, integrates well with Google services.
  • Disadvantages:
    • Limited offline functionality, heavily reliant on internet access.
    • Restricted to web-based applications, not suitable for heavy tasks.

 

 

Chapter 6: Tips and Tricks for Using Laptops

This chapter provides valuable tips and tricks to help you maximize the performance, efficiency, and lifespan of your laptop. Whether you're a student, professional, or casual user, these insights will ensure you get the most out of your device.


1. Optimize Battery Life

  • Tip: Reduce screen brightness, close unnecessary background applications, and use power-saving modes to extend battery life.
  • Trick: Set your laptop to "Battery Saver" mode on Windows or "Low Power Mode" on macOS when running low on battery.

2. Keep Your Laptop Cool

  • Tip: Avoid using your laptop on soft surfaces like beds or couches, which can block airflow and cause overheating.
  • Trick: Use a cooling pad or an elevated stand to improve ventilation and prevent overheating during intensive tasks like gaming or video editing.

3. Regularly Update Software

  • Tip: Keep your operating system, drivers, and applications up to date to ensure optimal performance and security.
  • Trick: Enable automatic updates for your OS and critical software to avoid missing important security patches.

4. Maintain Your Laptop’s Health

  • Tip: Clean your laptop's keyboard, screen, and vents regularly to prevent dust buildup and maintain performance.
  • Trick: Use compressed air to clean out dust from vents and fans to ensure proper cooling.

5. Manage Storage Effectively

  • Tip: Use cloud storage services like Google Drive, OneDrive, or Dropbox to free up space on your laptop’s hard drive.
  • Trick: Regularly delete temporary files, uninstall unused programs, and use disk cleanup tools to reclaim storage space.

6. Protect Your Laptop

  • Tip: Use a strong, unique password and enable two-factor authentication to secure your laptop and accounts.
  • Trick: Install reliable antivirus software and avoid downloading files or clicking on links from unknown sources to prevent malware infections.

7. Improve Productivity

  • Tip: Customize keyboard shortcuts and trackpad gestures to streamline your workflow and save time.
  • Trick: Use multiple virtual desktops to organize tasks and reduce clutter on your screen.

8. Back Up Your Data

  • Tip: Regularly back up important files to an external hard drive or cloud storage to prevent data loss in case of a system failure.
  • Trick: Schedule automatic backups to run periodically, so you never have to worry about losing your data.

 

 

 

 

Python

    Python Int roduction Python is a widely-used, high-level, interpreted programming language created by Guido van Rossum in 1991. It...