COMPUTER SOFTWARE
SYSTEM SOFTWARE
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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User Interface, multitasking, communicates with hardware via device drivers
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User Interface, multitasking, saving
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fetch, decode and execute instructions
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memory management, fetching instructions, user interface
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Detailed explanation-1: -An operating system has three main functions: (1) manage the computer’s resources, such as the central processing unit, memory, disk drives, and printers, (2) establish a user interface, and (3) execute and provide services for applications software.
Detailed explanation-2: -Device Management An OS manages device communication via their respective drivers. It performs the following activities for device management. Keeps tracks of all devices connected to system. designates a program responsible for every device known as the Input/Output controller.
Detailed explanation-3: -It facilitates communication between an application and its user by acting as an intermediary between them. Every application that is included in the operating system is provided with a specific UI for effective communication.
Detailed explanation-4: -Device drivers relay requests for device access and actions from the operating system and its active applications to their respective hardware devices. They also deliver outputs or status/messages from the hardware devices to the operating system and thus to applications.