Across
1
Physical components of a computer
6
Rules for data communication
7
Connected group of computers
8
Convert code into executable program
9
Step-by-step problem-solving method
10
Computer that provides services to others
11
Computer model of a real-world system
Down
2
Program to access the internet
3
Input device with letter and number keys
4
Wired networking technology
5
Conversion of data into secret code
12
Security system blocking unauthorized access