Across
1
Encode data to keep it secure
4
Short-range wireless technology
5
Input device with letter and number keys
8
Computer model of a real-world system
9
Temporary computer memory
10
Step-by-step problem-solving method
11
Smallest unit of a digital image
12
Programs and applications on a computer
Down
2
Organized collection of stored data
3
Portable personal computer
4
Capacity of a data connection
6
Online data storage and computing
7
Security system blocking unauthorized access