横向
1
Conversion of data into secret code
4
Request for information from a database
7
Step-by-step problem-solving method
8
Connected group of computers
9
Reusable block of code
12
Input device with letter and number keys
纵向
2
Temporary storage for fast access
3
Computer that provides services to others
5
Information processed by a computer
6
Global computer network
7
Ordered collection of data elements
10
Main processor of a computer
11
Physical components of a computer
13
Encode data to keep it secure