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Questions in computers-and-technology

[Answered] Out of 4 now For the following relational schema: Where would you define the foreign keys for each table? Explain your reasoning AIRPORT Airport code Name City State FLIGHT Flight_number Airline Weekdays FLIGHT_LEG Flight number Leg_number Departure airport code Scheduled_departure_time Arrival airport code Scheduled_arrival_time LEG INSTANCE Flight_number Leg_number Departure airport code Date Number_of_available_seats Airplane_id Departure_time Arrival airport code Arrival_time FARE Flight_number Fare_code Amount Restrictions AIRPLANE TYPE Airplane_type_name Max seats Company CAN_LAND Airplane_type_name Airport code AIRPLANE Airplane_id Total_number_of_seats SEAT RESERVATION Flight number Airplane_type Leg number Date Seat number Customer_name Customer_phone For the following relational schema: Where would you define the foreign keys for each table? Explain your reasoning

[Answered] AI in Daily Life – Scrapbook or Poster Objective: Explore how AI helps us every day. Task: Create a colorful scrapbook or digital poster showing at least 5 real-life AI applications. Include: * Images and short descriptions * Your personal opinion on each use * Bonus: Add QR codes linking to related videos/articles

[Answered] In terms of computing, what does ROM stand for? A. Reticulate Obstinate Motion B. Read Only Memory C. Ready Open Motherboard D. Random Obsolete Memory

[Answered] Which of these toolbars allows changing sizes? A. None of above B. Standard C. Formatting D. Options

[Answered] 11. What is a modem? What are its types? 12. What is the difference between primary memory and secondary memory? 13. What are SSD, CD-ROM, and DVD? Explain. 14. What is the difference between hardware and software? 15. What is the difference between impact and non-impact printers? 16. What is a spreadsheet? 17. What are rows, columns, and cells in a spreadsheet?

[Answered] 6. Differentiate between: i. Input device and output device ii. Hardware and software

[Answered] 1. f(x,y) = x'y' + xy' + xy | | y' | y | | :---- | :-: | :-: | | x' | 1 | 0 | | x | 1 | 1 | 2. f(x,y) = x'y' + x'y | | y' | y | | :---- | :-: | :-: | | x' | 1 | 1 | | x | 0 | 0 |

[Answered] All printouts generated by a hit confirmation request or response should be:

[Answered] Consider the following set of processes arriving at time 0, with CPU burst time given in milliseconds (ms). Calculate the following using round robin scheduling algorithm with time quantum 4 ms. (i) Average waiting time (ii) Average turnaround time | Process | CPU Burst Time (ms) | |---------|--------------------| | P1 | 24 | | P2 | 3 | | P3 | 3 |

[Answered] 4. In computer systems servicing, which of the following tools is used to diagnose hardware issues? A. Diagnostic software B. Anti-static wristbands C. Cleaning kits D. Cable testers 5. Which tool would you use to measure electrical parameters like voltage or resistance? A. Pliers B. Multimeter C. Cleaning Kit D. Screwdriver 6. What is the primary purpose of graphic design software like Adobe Photoshop? A. To test and debug software code. B. To compile code into machine-readable format. C. To manipulate images and create digital art. D. To diagnose computer hardware issues.