11.
State four factors to consider when selecting an input device for use in a computer roo
(4marks)
12. State three functions of uninterruptible power supply (3marks)



Answer :

Sure! Here are the answers to the questions provided: 11. Factors to consider when selecting an input device for use in a computer room: 1. **Purpose**: Consider the specific tasks the input device will be used for. For example, a graphic designer may need a graphics tablet for precision work, while a data entry clerk may need a keyboard with a comfortable layout. 2. **Compatibility**: Ensure that the input device is compatible with the computer system in the room. Different devices may require specific software or drivers to function properly. 3. **Ergonomics**: Choose an input device that promotes comfort and reduces the risk of strain or injury. For instance, ergonomic mice or keyboards can help prevent repetitive strain injuries. 4. **User Preference**: Take into account the preferences of the users who will be using the input device. Some users may prefer touch screens, while others may prefer traditional keyboards or mice. 12. Functions of an uninterruptible power supply (UPS): 1. **Power Backup**: UPS systems provide a backup power source in case of electrical power failures. This ensures that critical systems remain operational during outages, preventing data loss or damage. 2. **Voltage Regulation**: UPS units regulate the voltage supplied to connected devices, protecting them from power surges or fluctuations. This helps prevent damage to sensitive electronics. 3. **Automatic Shutdown**: UPS devices can initiate an automatic shutdown sequence for connected equipment in case of a prolonged power outage. This controlled shutdown helps prevent data corruption and ensures a safe power-off process. These factors and functions play crucial roles in selecting input devices and using uninterruptible power supplies effectively in a computer room environment.