This is true, A firewall is used to get rid of viruses and attackers and keep them out of your computer. But if not properly implemented can do next to nothing for you.
Answer is A. Red and Blue
This because these are the same color of emergency lights that are used on Emergency vehicles like ambulances, police cars, fire trucks, etc. We wouldn't want normal citizens confusing drivers with police officers in case of an actual emergency.
Answer:
The most operating system perform these task that can be given as:
Allocating RAM to open programs.
Creating and maintaining the FAT
.
Coordinating the interaction between hardware and software.
Displaying the GUI
.
Explanation:
The description of these task as follows:
- Allocating ram to open program: RAM stands for Random Access Memory in the operating system when we on the computer system so the operating system first load some file that use the ram because it is volatile memory. It works when the system is on.
- Creating and maintaining the FAT
: FAT stands for File Allocation Table. This file stored in the hard drive that usually support 12 or 16-bit cluster for insert data into FAT. This file is only used by the operating system for creating and manages files.
- An operating system works as an interface between computer hardware and the user. It is a System software that coordinates between hardware and software.
- Displaying the GUI: The term GUI stands for graphical user interface. It is a feature of operating systems that provide the GUI mode. In this mode, the user can understand things more easily.
