横向
1
Point where user interacts with system
6
Computer that provides services to others
7
Smallest unit of digital data
8
Storage medium for digital data
10
Function that calls itself
11
Process of finding and fixing code errors
纵向
2
Connected group of computers
3
Input device with letter and number keys
4
Instructions written for a computer
5
Unit of digital information equal to 8 bits
9
Programming language for web browsers