Across
1
Input device with letter and number keys
4
Function that calls itself
5
Software designed to harm computers
6
Smallest unit of a digital image
10
Connected group of computers
11
Global computer network
Down
2
Temporary computer memory
3
Security system blocking unauthorized access
7
Programs and applications on a computer
8
Request for information from a database
9
Wired networking technology
12
Instructions written for a computer