Across
1
Security system blocking unauthorized access
3
Instructions written for a computer
5
Main processor of a computer
6
Conversion of data into secret code
7
Function that calls itself
10
Online data storage and computing
Down
1
Reusable block of code
2
Computer that provides services to others
4
Set of instructions for a computer
8
Smallest unit of digital data
9
Short-range wireless technology
11
Wired networking technology