Grade 11 Term 1 Study Notes

• Study notes for Grade 11, Term 1

Concepts and Definitions

• Form: Captures data in a database by typing.
• Paragraph: A document section with a single theme indicated by a new line, indentation, or numbering.
• DIMM/RAM: Volatile memory that requires power.
• Query: Extracts specific information from a database.
• RFID Tags: Can be read wirelessly and used in long-distance races, worn by competitors.
• Style: N/A
• Report: A printable database object.
• Driver: Software for the OS to communicate/control a peripheral device.
• Resolution: A property affecting output quality in printers and scanners.
• Table: The most important database object.
• Long text: A data type storing more than 255 characters in database tables.
• DPI (Dots per Inch): Measures image resolution/quality, used for printers
• RANDBETWEEN: A spreadsheet function generating a random number between two numbers.
• Sound Indicator: N/A
• GUI: A graphical user interface, lets the user interact with the computer
• Touchscreens: Serve as input and output devices.
• Default printer: N/A
• Utility: N/A
• Grouping: N/A
• Printer: Converts softcopy to hardcopy.
• Conditional Formatting: Highlights specific values according to a rule in spreadsheets.
• HTML: Used to create web pages.

Bluetooth and Wireless Considerations

• Bluetooth Connection while Driving: Allows hands-free calls, reduces accident chances.
• Disadvantages of Wireless: Relies on batteries and can be easily lost or stolen.

Hardware and Peripherals

• Keyboards: Are more expensive than wired keyboards and mice.
• Storage Media in Mobile Devices: Includes onboard storage and SD cards/memory.
• Smartphones for Educational Purposes: Useful for research, group collaboration, watching videos and calculations.
• Disadvantages of using Smartphones for playing games: Small screens and RSI (Repetitive Strain Injuries).
• Ways to Wirelessly Connect Smartphones: NFC, Bluetooth, and Wi-Fi.
• Ways to Create More Free Space on Smartphones: Delete unwanted files/apps, use online storage, add memory card, save pictures in lower resolution.
• Disadvantages of Biometric Input: Expensive to install.
• Biometric Input: Fingerprint scanner.
• Advantages of using HDMI Technology: N/A
• Disadvantages of Thermometers: N/A

Printing Issues and Solutions

• Printing Issues: No paper, cables not connected, date/time settings, hardware settings, low ink.
• Factors when Buying a New Printer: Mobility, connectivity, paper options, monthly duty cycle, print speed, resolution, system compatibility, cost.

Security and Accessibility

• Ways to Protect Hardware from Theft: Cable locks, motion sensors/alarms, locking hardware in cabinets or computer rooms.
• Features of Operating System for Visually Impaired: Magnifiers, narrators, voice recognition, Cortana.

Power Management and Efficiency

• Functions of a UPS: Protects hardware/data from dips and surges, and power outages.
• Ways to Save Power on PC: Switch off when not in use, use Energy Star, set power management options.
• Advantages of ICT in the Workplace: Enables faster and more efficient work with less manpower, performs tasks dangerous/impossible for humans, automates repetitive tasks .