Across
1
Computer model of a real-world system
5
Software designed to harm computers
9
Storage location for code
10
Reusable block of code
12
Pointer on a computer screen
Down
2
Smallest unit of a digital image
3
Storage medium for digital data
4
Rules for data communication
6
Wired networking technology
7
Named storage location in code
8
Security system blocking unauthorized access
11
Series of commands for a computer
13
Main processor of a computer