They are arranged the way they are because of the QWERTY layout. It was used to slow down how people typed so they wouldn't get the typewriter jammed. Hope this helps. :)
Answer:
An Operating System (OS) is an interface between a computer user and computer hardware. An operating system is a software which performs all the basic tasks like file management, memory management, process management, handling input and output, and controlling peripheral devices such as disk drives and printers.
Explanation:
I believe it is 8
Hope this helps
Answer:
Biometrics
Explanation:
Biometrics is the techniques that is used to measure and identify different characteristic of human being that are usually unique in nature for individuals such as voice characteristics, eye retina and finger prints. These features are unique for every person. These features could be used for different purposes now a day such biometric identification, biometric verification and for forensic purposes.
There are different algorithms to compute and compare these unique characteristics for each user and store in a database for the purpose of identification of the users. This data can also be used for forensic purpose if needed by some security agency to identify some person.
The type of identification in which these features such as voice, finger prints and iris pattern use is called biometrics.
