Across
1
Software designed to harm computers
4
Collection of web pages
5
Connected group of computers
7
Computer model of a real-world system
9
Set of instructions for a computer
10
Main processor of a computer
11
Function that calls itself
Down
2
Conversion of data into secret code
3
Program to access the internet
6
Information processed by a computer
8
Portable personal computer
12
Reusable block of code
13
Global computer network