Objective Overview: Outline of key topics covered in Chapter 1.
Differentiate: laptops, tablets, desktops, servers.
Purpose and uses of: smartphones, digital cameras, portable devices, game devices.
Relationship between data and information.
Explain various input options.
Differentiate: web vs. Internet; relationship among web, webpages, websites, and web servers.
Explain: browser, search engine, online social networks.
Digital Literacy: Maintaining current knowledge in:
Computers
Mobile devices
The web and related technologies
Essential for adapting to ongoing technological changes.
Definition: Electronic device that operates under controlled instructions in memory.
Types of Computers:
Laptop: Portable, has a screen and keyboard integrated.
Tablet: Touchscreen, portable without a physical keyboard.
Desktop: Stationary, includes separate monitor and peripherals like keyboard and mouse.
All-in-One: Combines all components into a single unit.
Server: Manages network resources and provides services to other computers.
Categories include:
Smartphones: Multifunctional mobile devices.
Digital Cameras: Store and manage photographic images.
Portable Music and Media Players: Play digital media files.
E-book Readers: Display electronic books.
Wearable Devices: Include smartwatches and fitness trackers.
Game Devices: Specialized for playing video games, like consoles.
Definition of Data: Raw facts that are inputted into computer systems.
Example Process:
Data entry (e.g., during a transaction).
Processing by the computer to generate information (e.g., receipts).
Output: Information is produced as usable results (e.g., printed receipt).
Input Devices:
Keyboard: Used to enter data and commands.
Pointing Devices: Control the pointer on the screen (e.g., mouse, touchpad).
Definition: Hardware that communicates information from a computer to users.
Printer: Produces hard copies of documents, graphics, and images.
Speakers: Output sound, including music and audio.
Display Devices: Show visual information (e.g., monitors, screens).
Memory: Stores instructions and data needed for processing.
Storage Devices: Recording and accessing data.
Types include:
Hard Disk Drives
Solid-State Drives
USB Flash Drives
Memory Cards
Cloud Storage solutions.
Internet: Global network connecting millions of computers.
World Wide Web: Collection of information organized as webpages.
Website: Group of related webpages.
Web Server: Enables access to websites.
Browser: Software that allows users to view web content.
Search Engine: Tool to find specific information online relating to queries.
Definition: Platforms for sharing interests and personal content among users (e.g., Facebook).
Importance of Protection: Safeguarding devices from viruses and malware.
Green Computing: Strategies for reducing environmental impact and energy consumption.
Software: Programs that direct the computer's actions.
Types:
System Software: Operating systems.
Applications: User-interfaced programs.
Types of Communication Devices: Hardware used to transfer data, like modems and routers.
Examples of Wireless Technologies: Wi-Fi, Bluetooth.
Networks: Connections among devices allowing sharing of resources.
Applications in various sectors:
Education
Government
Finance
Retail
Health Care
Entertainment
Science
Travel
Manufacturing.
Home Users: Basic use for personal tasks.
Small/Home Office Users: Work-related tasks from home.
Power Users: Users with advanced skills.
Mobile Users: Users who rely on portable devices.
Enterprise Users: Business-level technology usage.