Across
1
Display screen for a computer
5
Software designed to harm computers
6
Wired networking technology
7
Encode data to keep it secure
8
Computer that provides services to others
13
Connected group of computers
Down
2
Interface for software to communicate
3
Computer model of a real-world system
4
Physical components of a computer
9
Point where user interacts with system
10
Input device with letter and number keys
11
Programming language for web browsers
12
Pointer on a computer screen