OSG202_SP24_RE_935491

SystemAdmin · April 19, 2024, 10:39am

OSG202_SP24_RE_935491

Tổng hợp câu hỏi cho đề OSG202_SP24_RE_935491 của Môn OSG202.

Exam code: OSG202_SP24_RE_935491
Mã môn: OSG202
Ca thi: 11:50 21/04/2024
Tổng số câu hỏi: 50
Thời gian thi: 60p

Hashtags: Đề thi mới OSG202

Attached files:

SystemAdmin · April 19, 2024, 10:39am

!
Câu hỏi:

Dịch từ hình

Đáp án:

Option A:
Option B:
Option C:
Option D:

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SystemAdmin · April 19, 2024, 10:39am

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Câu hỏi:

Dịch từ hình

(Choose 1 answer)

gives users the appearance that their programs are being completely loaded in main memory during their
entire processing time.
A. Segmenting
B. Virtual memory
C. Shared memory
D. Multithreading

Đáp án:

Option A:
Option B:
Option C:
Option D:

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SystemAdmin · April 19, 2024, 10:39am

!
Câu hỏi:

Dịch từ hình

(Choose 1 answer)

Which of the following statements about the CPU handling interrupts is incorrect?
A. The processor ceases to execute the current sequence of instructions
B. The hardware saves the old PC location
C. The CPU branches to a new instruction sequence
D. None of the other choices

Đáp án:

Option A:
Option B:
Option C:
Option D:

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SystemAdmin · April 19, 2024, 10:39am

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Câu hỏi:

Dịch từ hình

(Choose 1 answer)

Consider a swapping system in which the memory consists of the following hole sizes: 10K, 4K, 20K, 15K,
9K. Assume worst fit algorithm is used. Which holes are taken for successive segment requests of 8K, 12K,
10K?
A. 20K, 15K, 10K
B. 10K, 15K, 20K
C. 9K, 15K, 10K
D. 10K, 20K, 15K

Đáp án:

Option A:
Option B:
Option C:
Option D:

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SystemAdmin · April 19, 2024, 10:39am

!
Câu hỏi:

Dịch từ hình

(Choose 1 answer)

Which of the following I/O software is done by Device-independent OS software
A. Computing the track, sector, and head for a disk read
B. Writing commands to the device registers
C. Checking to see if the user is permitted to use the device
D. Converting binary integers to ASCII for printing

Đáp án:

Option A:
Option B:
Option C:
Option D:

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SystemAdmin · April 19, 2024, 10:39am

!
Câu hỏi:

Dịch từ hình

(Choose 1 answer)

Which is not true about the method of backing store: “Paging to a static swap area”?
A. The swap area on the disk is as large as the process virtual address space
B. Calculating the address in swap area requires knowing only where the process’ paging area begins
C. Requires a disk map in memory
D. A page that is in memory always have shadow copy on disk

Đáp án:

Option A:
Option B:
Option C:
Option D:

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SystemAdmin · April 19, 2024, 10:39am

!
Câu hỏi:

Dịch từ hình

(Choose 1 answer)

The File Manager writes the volume name and other descriptive information on an easy-to-access place on
each unit: of the CD or DVD
A. The outermost part
B. The innermost part
C. Immediately following the master file directory
D. Stored at the beginning of the volume

Đáp án:

Option A:
Option B:
Option C:
Option D:

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SystemAdmin · April 19, 2024, 10:39am

!
Câu hỏi:

Dịch từ hình

(Choose 1 answer)

occurs when two processes do not release control of resources they are using.
A. Mutual-exclusion condition
B. Circular-wait condition
C. Hold and wait condition
D. No preemption condition

Đáp án:

Option A:
Option B:
Option C:
Option D:

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SystemAdmin · April 19, 2024, 10:39am

!
Câu hỏi:

Dịch từ hình

(Choose 1 answer)

A simple structuring model for monolithic system includes:
A. A main program that invokes the requested service procedure
B. A set of service procedures that carry out the system calls
C. A set of utility procedures that help the service procedures
D. All of the other choices

Đáp án:

Option A:
Option B:
Option C:
Option D:

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SystemAdmin · April 19, 2024, 10:39am

!
Câu hỏi:

Dịch từ hình

(Choose 1 answer)

What following resource allocation state is safe?

Đáp án:

Option A: Fig. C
Option B: None of the other choices
Option C: Fig. B
Option D: Fig. B and Fig. C

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SystemAdmin · April 19, 2024, 10:39am

!
Câu hỏi:

Dịch từ hình

(Choose 1 answer)

The disk blocks in a partition that contains the top of the file system tree is called:
A. Free space management blocks
B. Root directory
C. Boot block
D. Superblock

Đáp án:

Option A:
Option B:
Option C:
Option D:

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SystemAdmin · April 19, 2024, 10:39am

!
Câu hỏi:

Dịch từ hình

(Choose 1 answer)

Assume that four jobs A-D require the CPU cycles listed below. Using the Shortest Job First algorithm, the
job is run first.
Arrival time: 4102
Job:
ABCD
CPU cycle: 5264
A. A
В. В
C. C
D. D

Đáp án:

Option A:
Option B:
Option C:
Option D:

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SystemAdmin · April 19, 2024, 10:39am

!
Câu hỏi:

Dịch từ hình

(Choose 1 answer)

A computer has 2GB RAM of which the operating system occupies 1GB.
The processes are all 450 MB and have the same characteristics. How many percent of the CPU time is
wasted, when these programs are idle waiting for I/O 20% of the time?
A. 90%
B. 96%
C. 4%
D. None of the other choices

Đáp án:

Option A:
Option B:
Option C:
Option D:

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SystemAdmin · April 19, 2024, 10:39am

!
Câu hỏi:

Dịch từ hình

(Choose 1 answer)

The language of the CPU is known as its
A. Instruction set
B. Register set
C. Control unit set
D. None of the other choices

Đáp án:

Option A:
Option B:
Option C:
Option D:

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SystemAdmin · April 19, 2024, 10:39am

!
Câu hỏi:

Dịch từ hình

(Choose 1 answer)

Which of the following statement is not true about separating I/O and memory space?
A. Device drivers must be written using assembly language
B. Programs must use 2 instructions to test whether the device is ready
C. There is special protection mechanism to keep user processes from performing I/O
D. Caching a device control register would be disastrous

Đáp án:

Option A:
Option B:
Option C:
Option D:

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SystemAdmin · April 19, 2024, 10:39am

!
Câu hỏi:

Dịch từ hình

(Choose 1 answer)

Suppose a virtual address space of 2^24 words and the page size is 2^12 words. If the virtual address is
123456 in Hexadecimal, what would be the page number in Hexadecimal?
A. 123
B. 1234
C. 12345
D. 123456

Đáp án:

Option A:
Option B:
Option C:
Option D:

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SystemAdmin · April 19, 2024, 10:39am

OSG202_SP24_RE_935491-QuestionNo_17 !
Câu hỏi:

Dịch từ hình

(Choose 1 answer)

A entry of the Process table is called:
A. Process management block
B. Process control block
C. Process check block
D. All of the other choices

Đáp án:

Option A:
Option B:
Option C:
Option D:

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SystemAdmin · April 19, 2024, 10:39am

!
Câu hỏi:

Dịch từ hình

(Choose 1 answer)

The absolute pathname of a file in Linux is with respect to the
A. Home directory
B. Login directory
C. Root directory on the system
D. All of the other choices

Đáp án:

Option A:
Option B:
Option C:
Option D:

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SystemAdmin · April 19, 2024, 10:39am

!
Câu hỏi:

Dịch từ hình

(Choose 1 answer)

What is the “sequential processes” concept?
A. There are both many CPU and many PC
B. All process is executed in concurrency
C. No concurrency inside a process; everything happens sequentially
D. None of the other choices

Đáp án:

Option A:
Option B:
Option C:
Option D:

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