Across
1
Software designed to harm computers
3
Device that directs network traffic
4
Input device with letter and number keys
7
Conversion of data into secret code
10
Encode data to keep it secure
13
Interface for software to communicate
Down
2
Global computer network
5
Connected group of computers
6
Storage medium for digital data
8
Moving images created digitally
9
Physical components of a computer
11
Function that calls itself
12
Portable personal computer