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Questions and Answers
What is the primary function of the Central Processing Unit (CPU)?
What type of computer is designed for high-performance networking and remote access?
What type of memory is non-volatile, meaning data is retained when power is turned off?
What is the primary function of the Power Supply in a computer?
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What is the purpose of ASCII in computing?
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What is the purpose of the <p> tag in HTML?
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What type of computer is designed for mobility and convenience?
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What is the purpose of Cache Memory in a computer?
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What is the purpose of the <a> tag in HTML?
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What is the primary function of the Storage Drive in a computer?
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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
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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)
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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
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Basic Tags:
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<!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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Description
Test your knowledge of computer hardware components, types of computers, memory, ASCII, and basic HTML. Learn about CPUs, RAM, storage drives, and more!
