Across
1
Pointer on a computer screen
5
Interface for software to communicate
6
Computer that provides services to others
7
Encode data to keep it secure
8
Step-by-step problem-solving method
12
Wired networking technology
Down
2
Function that calls itself
3
Short-range wireless technology
4
Conversion of data into secret code
6
Computer model of a real-world system
9
Point where user interacts with system
10
Programming language for web browsers
11
Portable personal computer
13
Instructions written for a computer
