Across
1
Temporary storage for fast access
4
Input device with letter and number keys
5
Security system blocking unauthorized access
6
Unit of digital information equal to 8 bits
7
Ordered collection of data elements
11
Pointer on a computer screen
Down
2
Physical components of a computer
3
Function that calls itself
8
Computer model of a real-world system
9
Device that directs network traffic
10
Portable personal computer