This computer science problem involves algorithmic thinking and programming concepts. The solution below explains the approach, logic, and implementation step by step.
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1. The correct option is B. School authorities use passwords on Wi-Fi to prevent unauthorized access to the network, ensuring only approved users can connect. 2. The correct option is A. The robot control system is the brain of the robot, responsible for interpreting commands and sensor data to regulate the robot's movement. 3. The correct option is B. The device shown in the figure is a portable hard drive or solid-state drive, which is primarily used to store information. 4. The correct option is C. To replace the dollar sign with the Ghana cedis sign, the secretary would use the symbol tool in Microsoft Word to find and insert the correct character. 5. The correct option is C. Features like bold, italicize, or underline for selected text are typically found on the format toolbar (or within the formatting section of the ribbon in modern word processors). 6. The correct option is D. The purpose of transition effects in a PowerPoint presentation is to create a smooth flow between slides, making the presentation more engaging visually. 7. The correct option is D. To access a location by scanning, one would typically scan a QR code, which can embed GPS coordinates or a link to a map. Send me the next one 📸