Young Judy was having trouble with her computer, so she called Tony, the computer guy, over to her desk.
Tony clicked a couple buttons and solved the problem. As he was walking away, Judy called after him, "So, what was wrong?"
He replied, "It was an ID Ten T Error."
A puzzled expression came over Judy's face. "An ID Ten T Error?
What's that? In case I need to fix it again."
Tony gave her a grin. "Haven't you ever heard of an ID Ten T Error before?"
"No," replied Judy.
"Write it down," he said, "and I think you'll figure it out."
She wrote... I D 1 0 T