Across
1
Physical components of a computer
4
Rules for data communication
6
Global computer network
9
Display screen for a computer
12
Computer that provides services to others
13
Reusable block of code
Down
2
Pointer on a computer screen
3
Computer model of a real-world system
5
Encode data to keep it secure
7
Main processor of a computer
8
Device that directs network traffic
10
Security system blocking unauthorized access
11
Convert code into executable program
14
Portable personal computer