横向
1
Process of finding and fixing code errors
4
Smallest unit of a digital image
5
Instructions written for a computer
6
Input device with letter and number keys
8
Point where user interacts with system
11
Security system blocking unauthorized access
纵向
2
Device that directs network traffic
3
Convert code into executable program
4
Rules for data communication
7
Wired networking technology
9
Encode data to keep it secure
10
Error in computer code
12
Reusable block of code
