Across
1
Security system blocking unauthorized access
4
Series of commands for a computer
5
Program to access the internet
6
Global computer network
9
Encode data to keep it secure
Down
2
Input device with letter and number keys
3
Capacity of a data connection
4
Computer model of a real-world system
5
Unit of digital information equal to 8 bits
7
Physical components of a computer
8
Programs and applications on a computer
10
Set of instructions for a computer