Across
1
Rules for data communication
4
Interface for software to communicate
6
Input device with letter and number keys
7
Instructions written for a computer
9
Smallest unit of digital data
12
Main processor of a computer
Down
2
Programming language for web browsers
3
Organized collection of stored data
5
Function that calls itself
8
Short-range wireless technology
10
Encode data to keep it secure
11
Program to access the internet