Across
1
Conversion of data into secret code
5
Storage medium for digital data
7
Reusable block of code
8
Input device with letter and number keys
10
Physical components of a computer
11
Point where user interacts with system
13
Rules for data communication
Down
2
Interface for software to communicate
3
Series of commands for a computer
4
Wireless internet connection
6
Function that calls itself
9
Instructions written for a computer
12
Programs and applications on a computer