Across
1
Security system blocking unauthorized access
3
Main processor of a computer
5
Physical components of a computer
6
Input device with letter and number keys
8
Conversion of data into secret code
13
Smallest unit of a digital image
Down
2
Software designed to harm computers
3
Convert code into executable program
4
Collection of web pages
7
Online data storage and computing
9
Computer that provides services to others
10
Program to access the internet
11
Error in computer code
12
Computer model of a real-world system