Across
1
Collection of web pages
5
Program to access the internet
7
Storage medium for digital data
8
Rules for data communication
10
Device that directs network traffic
11
Instructions written for a computer
Down
2
Point where user interacts with system
3
Computer model of a real-world system
4
Global computer network
6
Computer that provides services to others
9
Short-range wireless technology
12
Software designed to harm computers