Across
1
Smallest unit of a digital image
4
Encode data to keep it secure
5
Rules for data communication
6
Pointer on a computer screen
8
Computer model of a real-world system
Down
2
Global computer network
3
Security system blocking unauthorized access
6
Temporary storage for fast access
7
Portable personal computer
9
Convert code into executable program
10
Program to access the internet
11
Wireless internet connection