What is System Software?

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System software is responsible for controlling, integrating and managing the hardware components of a computer system, providing a friendly environment for users to run other software applications.

System software is a set of software programs that allow users to interact with devices without getting lost in the technical complexity of the equipment. These programs are the basis of software architecture, including the parts that regulate the functions of input/output.

System software includes operating systems, device drivers, and system utilities.
They allow coordinate all internal and external computer devices such as computer memories, printers, keyboards, monitors, etc.

System software is copied to your computer when you install the operating system. You can update your system software by running programs such as “Windows Update” in Windows or “Software Update” in Mac OS X. Since the system software runs on basic level of a computer, it is also known as “low level” software.

There are four main categories of the system software:

  1. Basic Input Output System (BIOS) is the boot loader that defines the interface firmware and load the operating system;
  2. Device Firmware controls the operation and performance of the equipment;
  3. Operative System (OS) allows users to interact with hardware and others internal devices, acting as a platform between equipment and software applications;
  4. Utility software controls the functionality of the computer by analyzing its performance, configuration and optimization of processes.
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