Across
1
Physical components of a computer
5
Pointer on a computer screen
6
Portable personal computer
9
Conversion of data into secret code
11
Encode data to keep it secure
12
Software designed to harm computers
Down
2
Moving images created digitally
3
Input device with letter and number keys
4
Computer model of a real-world system
7
Capacity of a data connection
8
Connected group of computers
10
Reusable block of code