横向
1
Request for information from a database
3
Smallest unit of digital data
4
Security system blocking unauthorized access
5
Step-by-step problem-solving method
6
Data type with true or false values
8
Information processed by a computer
11
Computer that provides services to others
12
Temporary computer memory
纵向
2
Computer model of a real-world system
7
Ordered collection of data elements
9
Display screen for a computer
10
Named storage location in code
