Across
1
Point where user interacts with system
7
Computer model of a real-world system
8
Reusable block of code
9
Temporary storage for fast access
10
Display screen for a computer
12
Unit of digital information equal to 8 bits
13
Device that directs network traffic
Down
2
Physical components of a computer
3
Security system blocking unauthorized access
4
Ordered collection of data elements
5
Input device with letter and number keys
6
Function that calls itself
11
Short-range wireless technology
14
Connected group of computers
15
Capacity of a data connection