Across
1
Computer model of a real-world system
3
Temporary storage for fast access
6
Computer that provides services to others
7
Unit of digital information equal to 8 bits
8
Reusable block of code
9
Programs and applications on a computer
Down
1
Series of commands for a computer
2
Global computer network
4
Encode data to keep it secure
5
Step-by-step problem-solving method
