Across
1
Device that directs network traffic
5
Smallest unit of a digital image
6
Point where user interacts with system
8
Software designed to harm computers
10
Computer model of a real-world system
Down
2
Temporary storage for fast access
3
Security system blocking unauthorized access
4
Pointer on a computer screen
7
Data type with true or false values
9
Program to access the internet
11
Reusable block of code
12
Connected group of computers