横向
1
Conversion of data into secret code
6
Device that directs network traffic
7
Security system blocking unauthorized access
8
Collection of web pages
13
Information processed by a computer
纵向
2
Ordered collection of data elements
3
Smallest unit of a digital image
4
Wired networking technology
5
Input device with letter and number keys
9
Computer model of a real-world system
10
Smallest unit of digital data
11
Instructions written for a computer
12
Programs and applications on a computer
