Across
1
Input device with letter and number keys
5
Instructions written for a computer
6
Computer model of a real-world system
9
Connected group of computers
10
Encode data to keep it secure
11
Information processed by a computer
Down
2
Programs and applications on a computer
3
Portable personal computer
4
Series of commands for a computer
7
Storage medium for digital data
8
Process of finding and fixing code errors
12
Request for information from a database