Answer:
Android
iOS
Explanation:
Operating systems refers to the embedded software program upon which a machine ( computer or smartphone) is programmed to work. Applications or programs which machines would run must be compatible with that which is designed for the operating system. Operating systems handles and controls process and file management, input and output among others.
The Android and iOS operating system are the two most popular operating systems used on smartphones. In terms of ownership, iOS is developed by Apple and it is not open source (closed source). It has a simple and very less customizable interface. Smart products such as iPhones, iPads run on iOS operating system.
Android on the other hand is runned by googl and is more open source, with a much more customizable interface, android garners more
popularity in the smartphone ecosystem. Most major smartphone devices run on Android such as Samsung, Sony and so on.
Other operating systems may include windows which are very less popular.
Explanation:
A computer is an machine that accepts data as input,processes that data using programs, and outputs the processes the data as information.
the features are
1) speed
2) accuracy
3) versatility
4) multi tasking
5) reliability
10.......................................
If you have choices, then I mut assume that these are following:
A. valve lift
B. push rod
C. intake manifold
D. valve timing.
I think the answer is letter A.
