Across
1
Programs and applications on a computer
4
Reusable block of code
6
Input device with letter and number keys
11
Storage location for code
12
Rules for data communication
Down
2
Unit of digital information equal to 8 bits
3
Temporary computer memory
4
Security system blocking unauthorized access
5
Short-range wireless technology
7
Moving images created digitally
8
Function that calls itself
9
Computer that provides services to others
10
Conversion of data into secret code