Across
1
Temporary computer memory
3
Security system blocking unauthorized access
5
Error in computer code
6
Instructions written for a computer
8
Input device with letter and number keys
11
Pointer on a computer screen
12
Reusable block of code
Down
2
Computer model of a real-world system
4
Temporary storage for fast access
7
Interface for software to communicate
9
Function that calls itself
10
Online data storage and computing