Across
1
Set of instructions for a computer
3
Computer model of a real-world system
4
Programs and applications on a computer
5
Process of finding and fixing code errors
10
Security system blocking unauthorized access
11
Temporary storage for fast access
12
Device that directs network traffic
Down
2
Wired networking technology
3
Computer that provides services to others
6
Ordered collection of data elements
7
Input device with letter and number keys
8
Connected group of computers
9
Programming language for web browsers