横向
1
Computer model of a real-world system
5
Input device with letter and number keys
6
Unit of digital information equal to 8 bits
8
Software designed to harm computers
9
Temporary storage for fast access
10
Ordered collection of data elements
纵向
2
Connected group of computers
3
Security system blocking unauthorized access
4
Storage location for code
7
Online data storage and computing
11
Storage medium for digital data
12
Wireless internet connection