Across
1
Pointer on a computer screen
4
Storage location for code
5
Software designed to harm computers
7
Security system blocking unauthorized access
8
Step-by-step problem-solving method
Down
2
Global computer network
3
Physical components of a computer
6
Computer model of a real-world system
9
Computer that provides services to others
10
Error in computer code
11
Input device with letter and number keys
12
Interface for software to communicate
13
Reusable block of code