Computer Hardware and Basics
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Questions and Answers

What is the primary function of the Central Processing Unit (CPU)?

  • Converts Alternating Current (AC) to Direct Current (DC) for components
  • Executes instructions and performs calculations (correct)
  • Permanent storage for data and programs
  • Temporary storage for data and applications
  • What type of computer is designed for high-performance networking and remote access?

  • Laptop
  • Mainframe
  • Server (correct)
  • Desktop
  • What type of memory is non-volatile, meaning data is retained when power is turned off?

  • Cache Memory
  • Read-Only Memory (ROM) (correct)
  • Storage Drive
  • Random Access Memory (RAM)
  • What is the primary function of the Power Supply in a computer?

    <p>Converts Alternating Current (AC) to Direct Current (DC) for components</p> Signup and view all the answers

    What is the purpose of ASCII in computing?

    <p>To assign unique numerical codes to characters, symbols, and control codes</p> Signup and view all the answers

    What is the purpose of the <p> tag in HTML?

    <p>To define a paragraph element for text content</p> Signup and view all the answers

    What type of computer is designed for mobility and convenience?

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

    What is the purpose of Cache Memory in a computer?

    <p>Small, high-speed memory for frequently accessed data</p> Signup and view all the answers

    What is the purpose of the <a> tag in HTML?

    <p>To create a hyperlink</p> Signup and view all the answers

    What is the primary function of the Storage Drive in a computer?

    <p>Permanent storage for data and programs</p> Signup and view all the answers

    Study Notes

    Hardware Components

    • Central Processing Unit (CPU): Executes instructions and performs calculations
    • Memory (RAM): Temporary storage for data and applications
    • Storage Drive: Permanent storage for data and programs (e.g., Hard Disk Drive, Solid State Drive)
    • Input/Output Devices: Keyboard, Mouse, Monitor, Printer, etc.
    • Power Supply: Converts Alternating Current (AC) to Direct Current (DC) for components

    Types of Computers

    • Desktop: Designed for home or office use, often more powerful and upgradable
    • Laptop: Portable, designed for mobility and convenience
    • Server: High-performance computers for networking, data storage, and remote access
    • Mainframe: Large, high-performance computers for enterprise-level applications
    • Mobile Devices: Smartphones and tablets, designed for mobility and convenience

    Computer Memory

    • Random Access Memory (RAM): Temporary storage for data and applications
      • Volatile, meaning data is lost when power is turned off
      • Measured in bytes (e.g., 8GB, 16GB)
    • Read-Only Memory (ROM): Permanent storage for firmware and basic input/output system (BIOS)
      • Non-volatile, meaning data is retained when power is turned off
    • Cache Memory: Small, high-speed memory for frequently accessed data

    ASCII (American Standard Code for Information Interchange)

    • Character Encoding: Assigns unique numerical codes to characters, symbols, and control codes
    • Character Set: 95 printable characters (letters, digits, punctuation) and 33 non-printable control codes
    • ASCII Art: Using characters to create images and designs

    Basic HTML (Hypertext Markup Language)

    • Markup Language: Uses tags to define structure and content of web pages
    • Basic Tags:
      • <!DOCTYPE html>: Document type declaration
      • <html>: Root element of an HTML document
      • <head>: Contains metadata about the document
      • <body>: Contains content of the HTML document
      • <p>: Paragraph element for text content
      • <a>: Anchor element for hyperlinks

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    Test your knowledge of computer hardware components, types of computers, memory, ASCII, and basic HTML. Learn about CPUs, RAM, storage drives, and more!

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