Across
1
Interface for software to communicate
3
Set of instructions for a computer
4
Conversion of data into secret code
5
Device that directs network traffic
7
Ordered collection of data elements
8
Step-by-step problem-solving method
10
Connected group of computers
Down
2
Input device with letter and number keys
3
Smallest unit of a digital image
6
Main processor of a computer
9
Computer model of a real-world system
11
Online data storage and computing