Across
1
Encode data to keep it secure
5
Smallest unit of a digital image
6
Reusable block of code
7
Wireless internet connection
8
Computer model of a real-world system
9
Security system blocking unauthorized access
10
Ordered collection of data elements
11
Online data storage and computing
Down
2
Connected group of computers
3
Display screen for a computer
4
Rules for data communication
12
Interface for software to communicate