Answer:1. The biggest challenge I face with computers is keeping up with all the new technology. It seems like there's always a new update or a new program to learn, and it can be overwhelming!2. Computers are essential for my work. I use them for everything from sending emails and scheduling meetings to researching information and creating presentations.3. Computers have definitely made my work easier and more efficient. For example, I can now collaborate with colleagues on projects from anywhere in the world, and I can access information much faster than I could before.4. I've definitely experienced some negative effects from using computers. My eyes get tired from staring at the screen for long periods, and sometimes I get a stiff neck or backache from sitting at my desk all day. I try to take breaks and stretch regularly to help prevent these problems.