横向
1
Computer model of a real-world system
6
Smallest unit of digital data
7
Point where user interacts with system
11
Instructions written for a computer
12
Reusable block of code
纵向
2
Information processed by a computer
3
Smallest unit of a digital image
4
Connected group of computers
5
Error in computer code
8
Request for information from a database
9
Capacity of a data connection
10
Conversion of data into secret code
13
Rules for data communication