Across
1
Programs and applications on a computer
4
Storage medium for digital data
5
Security system blocking unauthorized access
6
Input device with letter and number keys
7
Data type with true or false values
8
Pointer on a computer screen
10
Convert code into executable program
11
Encode data to keep it secure
Down
1
Computer model of a real-world system
2
Wireless internet connection
3
Point where user interacts with system
4
Process of finding and fixing code errors
9
Instructions written for a computer
12
Computer that provides services to others