Across
1
Main processor of a computer
4
Computer model of a real-world system
8
Encode data to keep it secure
10
Ordered collection of data elements
Down
2
Device that directs network traffic
3
Reusable block of code
5
Pointer on a computer screen
6
Physical components of a computer
7
Capacity of a data connection
9
Short-range wireless technology
11
Wired networking technology
12
Connected group of computers