10 Questions
What is the primary function of the Central Processing Unit (CPU)?
Executes instructions and performs calculations
What type of computer is designed for high-performance networking and remote access?
Server
What type of memory is non-volatile, meaning data is retained when power is turned off?
Read-Only Memory (ROM)
What is the primary function of the Power Supply in a computer?
Converts Alternating Current (AC) to Direct Current (DC) for components
What is the purpose of ASCII in computing?
To assign unique numerical codes to characters, symbols, and control codes
What is the purpose of the <p> tag in HTML?
To define a paragraph element for text content
What type of computer is designed for mobility and convenience?
Laptop
What is the purpose of Cache Memory in a computer?
Small, high-speed memory for frequently accessed data
What is the purpose of the <a> tag in HTML?
To create a hyperlink
What is the primary function of the Storage Drive in a computer?
Permanent storage for data and programs
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)
-
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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