Across
1
Programs and applications on a computer
5
Pointer on a computer screen
6
Smallest unit of digital data
8
Encode data to keep it secure
9
Computer model of a real-world system
10
Portable personal computer
Down
2
Set of instructions for a computer
3
Rules for data communication
4
Convert code into executable program
7
Device that directs network traffic
11
Display screen for a computer