Across
1
Encode data to keep it secure
5
Instructions written for a computer
7
Error in computer code
8
Program to access the internet
9
Wired networking technology
11
Computer model of a real-world system
12
Display screen for a computer
Down
2
Device that directs network traffic
3
Portable personal computer
4
Computer that provides services to others
6
Organized collection of stored data
10
Function that calls itself