Podcast
Questions and Answers
Digital literacy involves knowledge and understanding of computers and related technologies.
Digital literacy involves knowledge and understanding of computers and related technologies.
True (A)
A desktop computer cannot have a separate tower.
A desktop computer cannot have a separate tower.
False (B)
A server provides services to other computers or devices on a network.
A server provides services to other computers or devices on a network.
True (A)
A tablet is not considered a type of computer.
A tablet is not considered a type of computer.
Smartphones are categorized as mobile devices.
Smartphones are categorized as mobile devices.
A keyboard is an input device used for entering data and instructions into a computer.
A keyboard is an input device used for entering data and instructions into a computer.
A scanner is an output device that displays information on a screen.
A scanner is an output device that displays information on a screen.
Voice input allows users to give commands to a computer using spoken words.
Voice input allows users to give commands to a computer using spoken words.
The pointer on a screen is controlled by a keyboard.
The pointer on a screen is controlled by a keyboard.
A mouse is a type of input device that can control a pointer on the screen.
A mouse is a type of input device that can control a pointer on the screen.
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Study Notes
Today's Technology and Digital Literacy
- Keeping up with technology is essential for maintaining digital literacy.
- Digital literacy involves understanding computers, mobile devices, the internet, and related technologies.
Types of Computers
- A computer is an electronic device that operates under controlled instructions stored in memory.
- Laptop: A widely used portable computer.
- Tablet: A slate-like portable device often used for various applications.
- Desktop: Typically consists of a separate monitor and tower, whereas an All-in-One integrates everything into one unit.
- Server: Provides services and resources to other computers within a network.
Mobile and Gaming Devices
- Includes smartphones, digital cameras, portable media players, e-book readers, wearable devices, and gaming consoles.
Data and Information
- A computer processes data into information, illustrated by cash register receipts generated from inputted data.
- Input Devices: Keyboards and pointing devices (mouse, touchpad) allow users to enter data.
- Voice and video inputs enable data and instruction input through spoken commands and live video.
- Scanners: Convert printed materials into digital formats for processing.
- Output Devices: Hardware that conveys information, including printers (producing text, 2D/3D graphics), displays (visual output), and speakers (audio output).
Memory and Storage
- Memory temporarily holds data and instructions pending execution; storage devices permanently save data.
- Storage devices include hard disks and solid-state drives.
The Web
- Browser: Software allowing users to access and view web pages.
- Search Engine: Finds resources such as websites, images, and videos based on search queries.
- Social Networks: Online platforms where users share content and connect with others.
Digital Safety and Security
- Users must safeguard devices against threats like viruses, malware, privacy issues, and health concerns.
- Green Computing: Aims to reduce energy consumption and waste, including practices such as recycling and efficient hardware use.
Software and Applications
- Software (programs) instructs computers on task execution, categorized into system software (operating systems) and application software.
- Installing software involves setting it up for interaction with hardware; users engage through a program’s user interface.
- Software developers create programs and apps, directing how devices process data into information.
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