横向
1
Capacity of a data connection
4
Function that calls itself
9
Point where user interacts with system
10
Reusable block of code
纵向
2
Portable personal computer
3
Smallest unit of digital data
5
Encode data to keep it secure
6
Programs and applications on a computer
7
Pointer on a computer screen
8
Ordered collection of data elements
11
Instructions written for a computer