Across
1
Input device with letter and number keys
4
Smallest unit of digital data
6
Connected group of computers
7
Set of instructions for a computer
8
Software designed to harm computers
11
Encode data to keep it secure
12
Computer that provides services to others
Down
2
Online data storage and computing
3
Programs and applications on a computer
5
Device that directs network traffic
9
Unit of digital information equal to 8 bits
10
Program to access the internet