Digital Literacy and Computer Types

Digital Literacy and Computers

• Staying digitally literate requires keeping up with technology changes.
• Digital literacy encompasses knowledge of computers, mobile devices, Internet usage, and related technologies.

Types of Computers

• Laptop: Portable personal computer.
• Tablet: Touchscreen mobile device, larger than a smartphone but smaller than a laptop.
• Desktop: Personal computer designed for regular use at a single location.
• Server: Computer that provides data or services to other computers on a network.

Mobile and Gaming Devices

• Smartphone: Mobile phone with advanced computing capabilities.
• Digital Camera: Device for capturing images digitally.
• Portable Media Player: Device for playing audio and video files.
• E-book Reader: Device designed for reading electronic books.
• Game Console: Dedicated device for playing video games.

Data and Information Input/Output

• Keyboard: Input device with keys to enter data and instructions.
• Pointing Device: Manipulates a pointer on the screen (e.g., mouse, trackpad).
• Voice Input: Allows data entry via spoken commands.
• Scanner: Converts printed text/images into digital format for processing.
• Output Devices: Hardware that provides information to users.
  • Printer: Outputs text and graphics on physical media like paper.
  • Display: Visualizes text, graphics, and video.
  • Speakers: Produce audio output like music and sounds.

Memory and Storage

• Memory: Stores temporarily the data and instructions for processing.
• Storage Media: Holds data and programs permanently.
  • Hard Disk/SSD: Primary storage devices with variable capacity.
  • USB Flash Drive: Portable storage device for transferring files.
  • Memory Card: Used in cameras and smartphones for storage.
  • Optical Disc: Includes CDs, DVDs, and Blu-ray for data storage.
  • Cloud Storage: Remote storage accessed via the Internet.

The Internet and the World Wide Web

• Internet: Global network connecting millions of users and businesses.
• World Wide Web: Collection of interlinked electronic documents accessible through the Internet.
  • Webpage: Individual document on the web.
  • Website: Collection of related webpages.

Browsing and Searching

• Browser: Software to access and view webpages.
• Search Engine: Tool for finding information online related to specific topics.
• Online Social Network: Platform for users to share content like stories, photos, and videos.

Digital Safety and Security

• Importance of protecting computers and mobile devices from threats.
• Green Computing: Practices to reduce electricity use and electronic waste.
  • Strategies include recycling, using energy-efficient hardware, and extending the life of devices.

Software Concepts

• Software: Program that performs tasks on a computer.
• Installation: Setting up software to work with hardware.
• User Interface: Means of interaction between user and program.
• Software Developer: Individual who creates software applications.

Communications and Networks

• Communications Device: Hardware for transferring data between computers and networks.
• Network: Connection of computers and devices to share resources.
  • Benefits include sharing Internet access, content, and devices.
• Wireless Technologies: Enable communication without physical connections.