横向
1
Device that directs network traffic
5
Smallest unit of a digital image
6
Point where user interacts with system
8
Encode data to keep it secure
9
Online data storage and computing
11
Set of instructions for a computer
12
Main processor of a computer
纵向
2
Smallest unit of digital data
3
Program to access the internet
4
Rules for data communication
7
Reusable block of code
10
Physical components of a computer
13
Request for information from a database