When they first invented the clock...
How did they know what time to set it to?
How did the doofus fall on the floor?
He tripped over the cordless phone.
Mom had just returned from shopping and was surveying the ghastly scene in the den. The family computer had been totally smashed into a dozen pieces.
"What happened to the PC?" she asked of her 14 year old son.
"That was dad's doing," he replied. "As usual he couldn't get it to do what he wanted. I told him to reboot it. That's exactly what he did."
Knock, knock!
Who’s there?
Opportunity!
That is impossible. Opportunity doesn’t come knocking twice!