Across
1
Smallest unit of a digital image
3
Information processed by a computer
4
Programs and applications on a computer
5
Program to access the internet
6
Step-by-step problem-solving method
7
Rules for data communication
9
Physical components of a computer
Down
2
Wired networking technology
4
Computer model of a real-world system
8
Main processor of a computer
10
Interface for software to communicate
11
Security system blocking unauthorized access
12
Wireless internet connection