横向
1
Point where user interacts with system
6
Smallest unit of digital data
8
Connected group of computers
9
Security system blocking unauthorized access
10
Computer model of a real-world system
11
Named storage location in code
13
Device that directs network traffic
纵向
2
Programming language for web browsers
3
Global computer network
4
Ordered collection of data elements
5
Set of instructions for a computer
7
Function that calls itself
10
Series of commands for a computer
12
Physical components of a computer