Across
1
Connected group of computers
4
Software designed to harm computers
6
Temporary computer memory
7
Smallest unit of a digital image
8
Request for information from a database
11
Process of finding and fixing code errors
12
Portable personal computer
Down
2
Encode data to keep it secure
2
Conversion of data into secret code
3
Input device with letter and number keys
5
Rules for data communication
9
Main processor of a computer
10
Step-by-step problem-solving method