Across
1
Device that directs network traffic
5
Computer model of a real-world system
7
Instructions written for a computer
9
Portable personal computer
11
Wired networking technology
Down
2
Convert code into executable program
3
Rules for data communication
4
Software designed to harm computers
6
Short-range wireless technology
7
Temporary storage for fast access
8
Pointer on a computer screen
10
Connected group of computers
