The correct abbreviation is "a.c." which stands for "ante cibum" in Latin, meaning "before meals." This abbreviation is used in medical prescriptions to indicate that a medication should be taken before eating. It is important to use the correct abbreviation to ensure clear communication between healthcare providers and patients. **

Dell is a multinational technology company that designs, develops, sells, and supports computers and related products and services. It is known for its range of personal computers, servers, data storage devices, network switches, software, and peripherals. Dell also provides consulting services and support for its products. The company was founded in 1984 by Michael Dell and has since grown to become one of the largest technology companies in the world. **

The speedometer in the Audi Quattro 20V is likely original, as it would have been installed by the manufacturer when the car was first produced. However, it is possible that the speedometer has been replaced with an original part if the original one was damaged or malfunctioning. To confirm whether the speedometer is original, one would need to verify the vehicle's maintenance and repair history. **

The choice between the Dell Inspiron and the Dell Vostro depends on the specific needs of the user. The Dell Inspiron is designed for everyday use and offers a balance of performance and affordability, making it suitable for general computing tasks and entertainment. On the other hand, the Dell Vostro is geared towards small business users, offering enhanced security features and business-focused software. Therefore, if you are a casual user looking for a budget-friendly laptop, the Dell Inspiron may be the better option. However, if you are a small business owner in need of a reliable and secure laptop, the Dell Vostro may be the more suitable choice. **

When choosing a power supply for a laptop with 65W instead of 90W, it's important to ensure that the voltage and polarity of the new power supply match the requirements of the laptop. Additionally, the new power supply should have a compatible connector to the laptop's power input. It's also important to consider the charging time and performance of the laptop with the lower wattage power supply. It's recommended to consult the laptop's manufacturer or a certified technician to ensure compatibility and safety. **

The main difference between the Dell U2412M and the Dell U2412MC is the stand. The U2412M comes with a standard stand that allows for tilt, swivel, and height adjustment, while the U2412MC comes with a stand that also includes a cable management feature. This means that the U2412MC has a more organized and clutter-free setup, as it helps to keep the cables neatly organized and out of the way. Other than the stand, the two monitors have similar specifications and features. **

For two 5V 90W LED strips, you would need a power supply that can provide a total of 180W (90W per strip). Since the LED strips operate at 5V, you would need a power supply that can deliver at least 36A (180W / 5V = 36A). It is important to choose a power supply that can handle the total power requirements of both LED strips to ensure they operate properly and safely. **

You can reduce 17V AC to 12-15V AC by using a step-down transformer. A step-down transformer has a higher number of turns on the primary coil and a lower number of turns on the secondary coil, which allows it to reduce the voltage. You can select a transformer with the appropriate turns ratio to achieve the desired output voltage. Additionally, you can use a voltage regulator circuit to further fine-tune the output voltage to the desired range. **