Across
1
Pointer on a computer screen
4
Computer model of a real-world system
5
Global computer network
6
Display screen for a computer
7
Interface for software to communicate
11
Programming language for web browsers
12
Program to access the internet
Down
2
Device that directs network traffic
3
Portable personal computer
8
Moving images created digitally
9
Function that calls itself
10
Short-range wireless technology
13
Security system blocking unauthorized access