Across
1
Computer model of a real-world system
3
Physical components of a computer
5
Instructions written for a computer
7
Request for information from a database
8
Step-by-step problem-solving method
10
Function that calls itself
12
Input device with letter and number keys
Down
1
Computer that provides services to others
2
Wired networking technology
4
Security system blocking unauthorized access
6
Convert code into executable program
9
Conversion of data into secret code
11
Smallest unit of a digital image
13
Unit of digital information equal to 8 bits