Across
1
Computer model of a real-world system
6
Organized collection of stored data
8
Global computer network
9
Connected group of computers
10
Temporary storage for fast access
11
Encode data to keep it secure
Down
1
Programs and applications on a computer
2
Input device with letter and number keys
3
Security system blocking unauthorized access
4
Set of instructions for a computer
5
Conversion of data into secret code
7
Named storage location in code
12
Ordered collection of data elements