Computer is a (1) that accepts and processes (2) into information under the control of a (3) program. Two parts of a (4) are: The actual machinery--wires, transistors, and (5)--is called (6); The instructions and data are called (7). With software, a computer can execute a (8). Computer technology is the combination of electronic (9) and calculating technology. At its early years, computer was produced to do (10) calculation. But now it has been widely used in almost every field.