Across
1
Storage medium for digital data
3
Computer model of a real-world system
4
Security system blocking unauthorized access
10
Capacity of a data connection
11
Physical components of a computer
Down
2
Pointer on a computer screen
5
Connected group of computers
6
Device that directs network traffic
7
Point where user interacts with system
8
Interface for software to communicate
9
Step-by-step problem-solving method