横向
1
Connected group of computers
4
Moving images created digitally
5
Software designed to harm computers
7
Encode data to keep it secure
13
Smallest unit of a digital image
纵向
2
Security system blocking unauthorized access
3
Global computer network
6
Temporary computer memory
8
Series of commands for a computer
9
Organized collection of stored data
10
Ordered collection of data elements
11
Computer model of a real-world system
12
Physical components of a computer