Across
1
Point where user interacts with system
5
Portable personal computer
6
Computer model of a real-world system
11
Data type with true or false values
12
Encode data to keep it secure
Down
2
Step-by-step problem-solving method
3
Main processor of a computer
4
Information processed by a computer
7
Programs and applications on a computer
8
Wired networking technology
9
Function that calls itself
10
Instructions written for a computer