横向
1
Instructions written for a computer
4
Ordered collection of data elements
5
Device that directs network traffic
6
Wired networking technology
8
Set of instructions for a computer
11
Security system blocking unauthorized access
12
Smallest unit of digital data
纵向
2
Connected group of computers
3
Conversion of data into secret code
7
Information processed by a computer
9
Global computer network
10
Reusable block of code