Across
1
Software designed to harm computers
4
Request for information from a database
5
Connected group of computers
6
Set of instructions for a computer
7
Wireless internet connection
9
Input device with letter and number keys
11
Online data storage and computing
Down
1
Display screen for a computer
2
Rules for data communication
3
Computer that provides services to others
6
Smallest unit of a digital image
8
Security system blocking unauthorized access
10
Step-by-step problem-solving method
12
Collection of web pages