Câu hỏi gốc môn OSG202

707 câu gốc, sắp theo số đề từng chứa câu đó.

20 kết quả phù hợp nhất

Which of the following statements about semaphores is true?

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A system has five processes and three allocated resources. The current allocation and maximum are as follows: | Process | Allocated | Maximum | Available | |---|---|---|---| | A | 010 | 753 | $33x$ | | B | 200 | 322 | | | C | 302 | 902 | | | D | 211 | 222 | | | E | 002 | 433 | | \nWhat is the smallest value of $x$ for which this is a safe state?

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What following resource allocation state is unsafe? Fig. A: | | Has | Max | |---|---|---| | A | 0 | 6 | | B | 0 | 5 | | C | 0 | 4 | | D | 0 | 7 | \nFree: 10 Fig. B: | | Has | Max | |---|---|---| | A | 1 | 6 | | B | 1 | 5 | | C | 2 | 4 | | D | 4 | 7 | \nFree: 2 Fig. C: | | Has | Max | |---|---|---| | A | 1 | 6 | | B | 2 | 5 | | C | 2 | 4 | | D | 4 | 7 | \nFree: 1

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______ is a specialized WRITE command for existing data files that allows for adding records to end of the file.

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Strategy used for dumping a disk to tapes is:

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The ways that input/output can be done is?

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In modern printing systems, a disk accepts output from several users. Deadlock occurs when:

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A computer uses a programmable clock in square-wave mode. If 500 MHz crystal is used, what is the value of the holding register to achieve a clock resolution of 10 msec (Clock tick)?

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Regarding the hypervisor, the operating system running on the hardware is called the host operating system. Which of the following is the correct type?

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Which is the correct description of transitions between process states below? \nmermaid\ngraph LR\nR[Running] -->|1| B[Blocked]\nR[Running] -->|2| Re[Ready]\nRe[Ready] -->|3| R[Running]\nB[Blocked] -->|4| Re[Ready]

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The task of subdividing memory between the OS and processes is performed automatically by called:

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Which of a system call is to allow the file to appear in more than one directory?

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Imagine that a certain printer can print 400 characters per second and that the time to write a character to the printer's output register is so short it can be ignored. If you run this printer using interrupt-driven I/O and each character printed requires an interrupt that takes 50 $\mu\text{s}$ all-in to service, how many percent of the CPU does the interrupt overhead cost?

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Assuming that it takes 10 nsec to copy a byte, how much time does it take to completely redraw a 1000 x 600 pixel graphics with 24-bit color?

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The interface between the operating system kernel and the user programs is defined by the set of ______ that the operating system provides.

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The advent of optical discs was made possible by developments in ____ technology.

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What is the purpose of CPU scheduling algorithms?

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The first-come, first-served (FCFS) algorithm is fine for most ____ systems.

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Which of the following operating systems is an example of monolithic system?

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Which of main bus in the IBM PC computer, that can run at 66 MHz and transfer 8 bytes at a time?

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Câu hỏi gốc môn OSG202

Which of the following statements about semaphores is true?

______ is a specialized WRITE command for existing data files that allows for adding records to end of the file.

Strategy used for dumping a disk to tapes is:

The ways that input/output can be done is?

In modern printing systems, a disk accepts output from several users. Deadlock occurs when:

A computer uses a programmable clock in square-wave mode. If 500 MHz crystal is used, what is the value of the holding register to achieve a clock resolution of 10 msec (Clock tick)?

Regarding the hypervisor, the operating system running on the hardware is called the host operating system. Which of the following is the correct type?

Which is the correct description of transitions between process states below? \nmermaid\ngraph LR\nR[Running] -->|1| B[Blocked]\nR[Running] -->|2| Re[Ready]\nRe[Ready] -->|3| R[Running]\nB[Blocked] -->|4| Re[Ready]

The task of subdividing memory between the OS and processes is performed automatically by called:

Which of a system call is to allow the file to appear in more than one directory?

Assuming that it takes 10 nsec to copy a byte, how much time does it take to completely redraw a 1000 x 600 pixel graphics with 24-bit color?

The interface between the operating system kernel and the user programs is defined by the set of ______ that the operating system provides.

The advent of optical discs was made possible by developments in ____ technology.

What is the purpose of CPU scheduling algorithms?

The first-come, first-served (FCFS) algorithm is fine for most ____ systems.

Which of the following operating systems is an example of monolithic system?

Which of main bus in the IBM PC computer, that can run at 66 MHz and transfer 8 bytes at a time?