Across
1
Request for information from a database
3
Data type with true or false values
5
Connected group of computers
6
Software designed to harm computers
11
Series of commands for a computer
Down
2
Rules for data communication
4
Physical components of a computer
7
Encode data to keep it secure
8
Main processor of a computer
9
Set of instructions for a computer
10
Reusable block of code