Across
1
Rules for data communication
6
Connected group of computers
7
Device that directs network traffic
9
Reusable block of code
10
Set of instructions for a computer
Down
2
Data type with true or false values
3
Pointer on a computer screen
4
Encode data to keep it secure
5
Input device with letter and number keys
8
Programming language for web browsers
11
Programs and applications on a computer