OPERATING SYSTEMS FOR COMPUTERS
COMPUTER OPERATING SYSTEMS
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Handling “interrupts” generated by the I/O controllers
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Making external devices to work properly
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Creating instructions to connect user’s PC to the local network
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Finding ways for student to answer this question
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Detailed explanation-1: -The operating system’s responsibility is to manage the processes running on your computer. This includes starting and stopping programs, allocating resources, and managing memory usage. The operating system ensures that the programs running on your computer should be compatible.
Detailed explanation-2: -One of the important jobs of an Operating System is to manage various I/O devices including mouse, keyboards, touch pad, disk drives, display adapters, USB devices, Bit-mapped screen, LED, Analog-to-digital converter, On/off switch, network connections, audio I/O, printers etc.
Detailed explanation-3: -1. CPU: The CPU checks for pending interrupts at the beginning of an instruction. It answers the highest-priority interrupt, which has a higher priority than that given in the interrupt priority register.
Detailed explanation-4: -These are software interrupts because they are caused by actions of the software (hardware interrupts occur when an I/O device has to get the CPU’s attention, or when the power goes out).