Across
1
Reusable block of code
5
Input device with letter and number keys
6
Capacity of a data connection
8
Pointer on a computer screen
9
Wired networking technology
10
Encode data to keep it secure
10
Conversion of data into secret code
12
Storage location for code
Down
2
Instructions written for a computer
3
Point where user interacts with system
4
Named storage location in code
7
Global computer network
11
Computer model of a real-world system
