Across
1
Security system blocking unauthorized access
4
Connected group of computers
5
Reusable block of code
6
Display screen for a computer
7
Programs and applications on a computer
8
Main processor of a computer
Down
2
Temporary storage for fast access
3
Global computer network
9
Wireless internet connection
10
Conversion of data into secret code
11
Online data storage and computing
12
Input device with letter and number keys
13
Temporary computer memory