Across
1
Input device with letter and number keys
6
Reusable block of code
7
Rules for data communication
Down
2
Device that directs network traffic
3
Interface for software to communicate
4
Storage medium for digital data
5
Display screen for a computer
8
Set of instructions for a computer
9
Instructions written for a computer
10
Computer model of a real-world system
11
Storage location for code