横向
1
Computer model of a real-world system
4
Smallest unit of a digital image
5
Display screen for a computer
6
Reusable block of code
7
Device that directs network traffic
8
Data type with true or false values
9
Storage location for code
纵向
1
Series of commands for a computer
2
Set of instructions for a computer
3
Input device with letter and number keys
4
Rules for data communication
10
Point where user interacts with system
11
Wired networking technology
12
Portable personal computer
13
Global computer network