Across
1
Connected group of computers
2
Storage location for code
6
Set of instructions for a computer
7
Computer model of a real-world system
8
Online data storage and computing
11
Pointer on a computer screen
12
Point where user interacts with system
Down
2
Function that calls itself
3
Smallest unit of digital data
4
Encode data to keep it secure
4
Conversion of data into secret code
5
Portable personal computer
9
Short-range wireless technology
10
Instructions written for a computer