Across
1
Main processor of a computer
3
Software designed to harm computers
4
Physical components of a computer
7
Set of instructions for a computer
9
Connected group of computers
10
Series of commands for a computer
Down
2
Device that directs network traffic
5
Point where user interacts with system
6
Rules for data communication
8
Collection of web pages
11
Pointer on a computer screen
12
Wired networking technology