Computers are incredibly useful in many ways. I used to have no idea about them  — I was really (1) ... at anything technical and felt very (2) ... whenever people asked me to do anything on the computer. When I first started using them, I made a lot of mistakes and would feel very embarrassed when people referred to the latest technological (3) ... and I didn’t know what they were talking about. But now I know enough not to feel (4) ... ignorant when my friends discuss the latest gadgets.