Across
1
Input device with letter and number keys
5
Computer that provides services to others
7
Programs and applications on a computer
8
Interface for software to communicate
Down
2
Global computer network
3
Smallest unit of digital data
4
Security system blocking unauthorized access
6
Temporary storage for fast access
9
Instructions written for a computer
10
Step-by-step problem-solving method
11
Function that calls itself
