Across
1
Reusable block of code
6
Unit of digital information equal to 8 bits
7
Function that calls itself
8
Security system blocking unauthorized access
12
Instructions written for a computer
13
Program to access the internet
Down
2
Request for information from a database
3
Data type with true or false values
4
Main processor of a computer
5
Wired networking technology
9
Software designed to harm computers
10
Input device with letter and number keys
11
Temporary computer memory