Across
1
Moving images created digitally
3
Smallest unit of digital data
6
Connected group of computers
7
Request for information from a database
8
Wired networking technology
12
Security system blocking unauthorized access
Down
2
Portable personal computer
3
Program to access the internet
4
Interface for software to communicate
5
Input device with letter and number keys
9
Reusable block of code
10
Global computer network
11
Computer model of a real-world system
