Across
1
Encode data to keep it secure
5
Storage location for code
6
Portable personal computer
7
Program to access the internet
Down
2
Security system blocking unauthorized access
3
Connected group of computers
4
Unit of digital information equal to 8 bits
8
Main processor of a computer
9
Online data storage and computing
10
Computer model of a real-world system
11
Device that directs network traffic