Across
1
Physical components of a computer
4
Computer that provides services to others
5
Wireless internet connection
6
Software designed to harm computers
7
Security system blocking unauthorized access
8
Temporary computer memory
9
Device that directs network traffic
10
Reusable block of code
11
Wired networking technology
12
Computer model of a real-world system
Down
2
Organized collection of stored data
3
Moving images created digitally
4
Programs and applications on a computer
