Across
1
Programming language for web browsers
3
Computer that provides services to others
6
Encode data to keep it secure
7
Conversion of data into secret code
8
Software designed to harm computers
12
Ordered collection of data elements
Down
2
Programs and applications on a computer
3
Computer model of a real-world system
4
Physical components of a computer
5
Interface for software to communicate
9
Short-range wireless technology
10
Set of instructions for a computer
11
Pointer on a computer screen
13
Input device with letter and number keys
