1. Computer System

2. The capacity of a computer to perform completely different types of jobs depending on the program fed to it.
7. A mechanical calculating device dating back to around 3000 BC that uses a frame, rods, and beads.
11. A unit of time equal to one billionth of a second.
14. The numerical mechanical calculating machine invented by Blaise Pascal to assist his father.
15. The characteristic that allows a computer to perform repetitive tasks without getting tired or losing concentration.

1. The unit typically used to measure a computer processor's clock speed.
3. The mathematical system introduced by John Napier that made complex calculations easier.
4. A unit of time equal to one trillionth of a second.
5. A unit of digital information equal to four bits or half a byte.
6. The name given to the upper part or deck of a Chinese abacus.
8. The Latin word from which "computer" is derived, meaning to calculate or compute.
9. The name given to the lower part or deck of an abacus which contains five beads per rod.
10. Instructions given to a computer by a user to solve problems quickly and easily.
12. The method of computation developed by the German mathematician and philosopher Gottfried Wilhelm Von Leibniz.
13. A contraction of the words "binary" and "digit" representing a 0 or a 1.