Across
1
Computer model of a real-world system
6
Ordered collection of data elements
8
Connected group of computers
9
Named storage location in code
10
Global computer network
11
Device that directs network traffic
Down
2
Reusable block of code
3
Short-range wireless technology
4
Set of instructions for a computer
5
Programming language for web browsers
7
Encode data to keep it secure
