横向
1
Connected group of computers
4
Smallest unit of a digital image
5
Pointer on a computer screen
6
Program to access the internet
7
Portable personal computer
10
Security system blocking unauthorized access
11
Series of commands for a computer
纵向
2
Computer model of a real-world system
3
Set of instructions for a computer
8
Programs and applications on a computer
9
Organized collection of stored data
12
Conversion of data into secret code
