Across
1
Portable personal computer
5
Main processor of a computer
6
Step-by-step problem-solving method
7
Smallest unit of a digital image
8
Computer model of a real-world system
10
Data type with true or false values
12
Encode data to keep it secure
Down
2
Named storage location in code
3
Set of instructions for a computer
4
Conversion of data into secret code
9
Function that calls itself
11
Pointer on a computer screen