横向
1
Software designed to harm computers
3
Smallest unit of digital data
4
Main processor of a computer
7
Instructions written for a computer
9
Conversion of data into secret code
10
Program to access the internet
12
Reusable block of code
13
Input device with letter and number keys
纵向
2
Function that calls itself
5
Point where user interacts with system
6
Unit of digital information equal to 8 bits
7
Online data storage and computing
8
Wireless internet connection
11
Ordered collection of data elements
