横向
1
Point where user interacts with system
6
Capacity of a data connection
7
Smallest unit of digital data
9
Ordered collection of data elements
纵向
2
Storage medium for digital data
3
Moving images created digitally
4
Request for information from a database
5
Computer model of a real-world system
8
Temporary storage for fast access
10
Device that directs network traffic
11
Collection of web pages
12
Smallest unit of a digital image
13
Physical components of a computer