横向
1
Smallest unit of digital data
3
Temporary storage for fast access
4
Input device with letter and number keys
9
Computer model of a real-world system
10
Physical components of a computer
11
Instructions written for a computer
15
Storage medium for digital data
纵向
2
Collection of web pages
5
Information processed by a computer
6
Security system blocking unauthorized access
7
Online data storage and computing
8
Ordered collection of data elements
12
Programs and applications on a computer
13
Function that calls itself
14
Data type with true or false values