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Chapter 1 - Operating Systems: Computer System Overview

12 Questions

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Chapter 1 - Operating Systems: Computer System Overview

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Questions and Answers

What type of interrupt is generated by a timer within the processor?

Hardware interrupt

I/O interrupt

Timer interrupt (correct)

Program interrupt

Which condition can trigger a program-generated interrupt according to the text?

Memory parity error

Division by zero (correct)

Power failure

Normal completion of an I/O operation

What is a typical reason for the processor to pause and wait for a device?

To wait for the operating system's timer interrupt

To signal normal completion of an I/O operation

Because most I/O devices are slower than the processor (correct)

To process an arithmetic instruction

Which component issues an I/O interrupt to signal various error conditions?

Hardware Signup and view all the answers

What is the purpose of traps/exceptions in interrupt handling?

To handle conditions like arithmetic overflow or division by zero Signup and view all the answers

In interrupt processing, what does the processor do when an interrupt occurs?

Pushes the Program Status Word (PSW) and PC onto a control stack Signup and view all the answers

What is the main function of an operating system?

Manages hardware resources and software Signup and view all the answers

Which component is responsible for moving data between the computer and external environments?

I/O Modules Signup and view all the answers

What is the function of the Program Counter (PC) in the basic instruction cycle?

Holds the address of the instruction to be fetched next Signup and view all the answers

What occurs during the fetch stage of the basic instruction cycle?

The processor fetches the instruction from memory Signup and view all the answers

What does an interrupt signal indicate in a computer system?

An event that requires immediate attention Signup and view all the answers

Which registers are commonly found in a CPU?

MAR, MBR, IR, PC Signup and view all the answers