Across
1
Temporary storage for fast access
3
Computer model of a real-world system
5
Smallest unit of a digital image
6
Step-by-step problem-solving method
7
Software designed to harm computers
Down
1
Main processor of a computer
2
Input device with letter and number keys
3
Computer that provides services to others
4
Conversion of data into secret code
8
Series of commands for a computer