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19CS405-Operating System

19CS405-Operating System

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How quickly can registers, built into the CPU, typically be accessed?

Within one cycle of the CPU clock

Within microseconds of the CPU clock

Within several cycles of the CPU clock

Within milliseconds of the CPU clock

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The string of memory references is called a ____________

Reference String

Memory Sequence

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How is memory typically organized in a computer system?

Large arrays of bytes, each with its own address

Large arrays of bytes, each with a unique label

Small arrays of bits, each with a unique address

Small arrays of bits, each with its own label

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What do the segment base and segment limit contain in memory segmentation?

Starting virtual address and ending virtual address

Starting physical address and length of the segment

Virtual address and access permissions

Segment name and type

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What feature characterizes paging as a memory-management scheme in an operating system?

Allocates memory in fixed-sized blocks

Restricts access to physical memory locations

Provides a contiguous physical address space for processes

Offers a noncontiguous physical address space for processes

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What is the maximum value for process IDs (PIDs) in the Linux kernel?

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How does the utilization of multiple threads impact the capability of a process to perform tasks in computing?

It simplifies the process to manage a single task efficiently

It restricts the process to perform only one task at a time

It enables the process to execute multiple tasks concurrently

It minimizes the need for task allocation within the process

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How is interrupt latency typically defined in a computing system?

Time taken for an interrupt to arrive from an external source

Time from arrival of interrupt to start of routine that services interrupt

Time taken to complete the interrupt service routine

Time from the start of the interrupt service routine to its completion

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What feature characterizes a multitasking operating system like Linux?

Limits the number of programs that can be executed

Allows multiple programs to run concurrently

Allows only one program to run at a time

Executes programs in sequence based on their arrival time

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What characterizes a preemptive scheduling approach in an operating system?

Processes move directly from Ready to Terminated state

The currently running process may be interrupted and moved to the Ready state by the OS

Secondary Memory

The currently running process is not interrupted by the OS

Processes are scheduled based solely on their arrival time

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