Across
1
Computer model of a real-world system
5
Security system blocking unauthorized access
6
Function that calls itself
7
Temporary storage for fast access
8
Temporary computer memory
11
Storage medium for digital data
Down
2
Encode data to keep it secure
3
Request for information from a database
4
Smallest unit of a digital image
9
Step-by-step problem-solving method
10
Connected group of computers