Grade 11 Term 1 Theory Concepts

• The notes cover theory concepts for Grade 11, Term 1.

Concepts and Definitions

• Form: A database object used for capturing data by typing
• Paragraph: A document section with a single theme, indicated by a new line, indentation, or numbering.
• DIMM | RAM: Volatile memory requires power.
• Query: A database object for extracting specific information.
• RFID Tags: They can be read wirelessly and used in long-distance cycling and road races, worn by competitors.
• Style: Design choice.
• Report: A printable database object.
• Driver: Software allowing the operating system to communicate with and control peripheral devices.
• Resolution: A property affects output quality in printers and scanners.
• Table: The most important database object.
• Long text: A data type in database tables storing more than 255 characters.
• Dpi (Dots per Inch): Measures image resolution or quality, especially in printers.
• RANDBETWEEN: A spreadsheet function generates a random number between two numbers.
• Sound indicator: Alerts the user.
• GUI: A graphical user interface is how the user interacts with the computer.
• Touchscreens: Act as both input and output devices.
• Default printer: The system's go-to printer.
• Utility: A type of product.
• Grouping: Bringing things together.
• Printer: Converts softcopy to hardcopy.
• Conditional Formatting: Used in spreadsheets to automatically highlight specific values based on a rule
• HTML: Used to create web pages.

Bluetooth and Wireless Considerations

• Reasons for Bluetooth connection while driving: Enables hands-free calls, reducing accident risks.
• Disadvantages of wireless devices: They use batteries and can be lost or easily stolen.

Hardware and Mobile Devices

• Keyboards: More expensive than wired keyboards and mice.
• Types of storage media in mobile devices: Onboard storage, SD cards, or memory.
• Smartphones for educational purposes: Used for research, collaboration through study groups, watching educational videos, and calculations.
• Disadvantages of using smartphones for playing games: Small screen and risk of repetitive strain injury (RSI).
• Ways to wirelessly connect smartphones: Using NFC, Bluetooth, and Wi-Fi.
• Ways to create more free space on smartphones: Delete unwanted files and apps, use online storage, add a memory card, and save pictures in lower resolution.
• Disadvantages of biometric input: Can be expensive to install on devices.
• Biometric Input: Often a fingerprint scanner

HDMI and Thermometers

• Advantages of using HDMI technology: Transmits data.
• Disadvantages of thermometers: Break easily.

Printing Issues and Solutions

• Printing issues: No paper, cables not connected, incorrect date/time, hardware settings, low ink.
• Factors when buying a new printer: Mobility, connectivity, paper options, monthly duty cycle, print speed, resolution, system compatibility, and cost per page.

Security and Accessibility

• Ways of protecting hardware from theft: Cable locks, motion sensors/alarms, locking hardware in cabinets, and securing computer rooms when not in use.
• Features of the operating system for visually impaired people: Magnifiers, narrators, voice recognition, and Cortana.

Power Management and ICT Advantages

• Functions of a UPS: Protects hardware/data against dips/surges and power outages.
• Ways to save power on a PC: Turn off when not in use, use Energy Star, set power management options.
• Advantages of ICT in the workplace: Enables quicker and more efficient work, allows tasks humans cannot easily/safely perform, and performs repetitive tasks faster with consistent quality.