横向
1
Unit of digital information equal to 8 bits
4
Temporary storage for fast access
5
Reusable block of code
6
Program to access the internet
7
Named storage location in code
8
Point where user interacts with system
9
Input device with letter and number keys
11
Portable personal computer
纵向
2
Ordered collection of data elements
3
Conversion of data into secret code
10
Physical components of a computer
12
Rules for data communication