Answer:
Functions of an operating system. An operating system provides three essential capabilities: It offers a UI through a CLI or GUI; it launches and manages the application execution; and it identifies and exposes system hardware resources to those applications -- typically, through a standardized API.
Explanation:
Like a DVD and stuff like that.
Answer:
A) ALU
Explanation:
The arithmetic logic unit (ALU) performs the arithmetic and logical functions that are the work of the computer.
So, the correct option is - A) ALU
Answer: TDMA(Time division multiple access)
Explanation: Time-division multiple access is the method that is used by GSM(Global system for mobile communication) usually for the separation process of the data.It is a way in which a same frequency is shared by different time slots of signal.It has high flexibility and so thus is helpful for the GSM network and provides easy services of division.It divides the data according to the time period slots in a GSM network.