📄 quize.txt
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How do applications that are running concurrently appear to share the monitor?
(a) Only the application associated with the active window can display new information on the monitor.
(b) The scheduler determines which applications are allowed to write to a window.
(c) There is no way to allow applications to share the monitor effectively.
(d) All running processes write to their respective windows appearing on the monitor.
Correct answer is (d)
Your score on this question is: 20.00
Feedback:
See section 3.3 of the course notes.
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2.
Which of the following devices is (are) shared by concurrently running applications through the operating system?
Keyboard
Printer
Processor
(a) II and III only
(b) II only
(c) I and II only
(d) I, II, and III
Correct answer is (d)
Your score on this question is: 20.00
Feedback:
See section 3.3 of the course notes.
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3.
Which of the following is (are) true of virtual memory and page faults?
A page fault occurs whenever a task refers to something that is in virtual memory but not in RAM.
A page fault always occurs whenever the operating system schedules a blocked task to start running.
Page faults can occur due to too many tasks executing or too little RAM within the computer.
(a) I and III only
(b) II and III only
(c) II only
(d) I only
Correct answer is (a)
Your score on this question is: 20.00
Feedback:
See section 3.3 of the course notes.
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4.
Which of the following indicates to the operating system that an application is referencing data not currently loaded into RAM?
(a) Real mode interrupt
(b) RAM interrupt
(c) Relocation error
(d) Page fault
Correct answer is (d)
Your score on this question is: 20.00
Feedback:
See section 3.3.1 of the course notes.
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5.
Which of the following are true regarding the use of virtual memory in a computer system?
Virtual memory provides the illusion of more RAM than actually exists.
Excessive use of virtual memory by a computer system can slow overall performance.
The CPU executes instructions directly from virtual memory.
(a) II and III only
(b) I, II, and III
(c) I and III only
(d) I and II only
Correct answer is (d)
Your score on this question is: 20.00
九 。1.
Which of the following operations cause(s) a fault to occur?
The hardware is asked to do something it cannot do.
The memory's error correction circuitry detects an uncorrectable error.
The program contains an illegal machine instruction.
(a) III only
(b) I only
(c) II and III only
(d) I, II, and III
Correct answer is (d)
Your score on this question is: 20.00
Feedback:
See section 3.2 of the course notes.
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2.
A trap is triggered by
(a) the execution of processor instructions
(b) a power surge
(c) an attempt to access a non-existent memory location
(d) an external signal
Correct answer is (a)
Your score on this question is: 0.00
Feedback:
See section 3.2 of the course notes.
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3.
What allows the Windows Startup Folder to be used to customize the operation of the computer system?
(a) It is a safe place to store personal documents created by applications.
(b) It contains files to be deleted automatically by Windows after the system is booted.
(c) It contains a list of programs for Windows to execute automatically after a user logs on.
(d) It contains the operating system files to be loaded during the boot process.
Correct answer is (c)
Your score on this question is: 0.00
Feedback:
See section 3.2 of the course notes.
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4.
Which of the following statements are true concerning interrupts?
An interrupt causes the CPU to stop executing the application program.
All devices are assigned the same priority and their interrupts are handled in the order in which they occur.
Interrupts are signals from devices that need immediate attention by the operating system.
(a) II and III only
(b) I and II only
(c) I and III only
(d) I, II, and III
Correct answer is (c)
Your score on this question is: 0.00
Feedback:
See section 3.2 of the course notes.
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5.
A keyboard interrupt occurs
(a) each time a key is pressed
(b) only when the ENTER key is pressed
(c) when the power supply is disconnected
(d) only when the ESC key is pressed
Correct answer is (a)
Your score on this question is: 20.00
6、Which of the following options in the Windows operating system can be used to improve aesthetics and convenience?
Using the Control Panel
Using the View menu options in My Computer or Explorer
Changing the settings used by BIOS that control the PC's hardware configuration
(a) I, II, and III
(b) I and II only
(c) I and III only
(d) II and III only
Correct answer is (b)
八
1.
The file system of an operating system can easily work with files on diverse types of storage devices because
(a) storage devices perform the actual file management on their own media
(b) all physical storage devices operate basically the same way with respect to accessing data
(c) the API provides a consistent interface to the storage devices
(d) device drivers hide the details involved with accessing storage devices from the operating system
Correct answer is (d)
Your score on this question is: 0.00
Feedback:
See section 3.1 of the course notes.
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2.
Which of the following could contain a Master Boot Record?
Hard disk drive
Floppy disk drive
RAM
(a) I, II, and III
(b) I and II only
(c) II and III only
(d) I and III only
Correct answer is (b)
Your score on this question is: 0.00
Feedback:
See section 3.1 of the course notes.
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3.
Device drivers facilitate communication between which layers of the system?
(a) The operating system and applications using hardware devices
(b) Applications and hardware devices
(c) Different hardware devices
(d) The operating system and hardware devices
Correct answer is (d)
Your score on this question is: 0.00
Feedback:
See section 3.1 of the course notes.
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4.
The illusion of multitasking can be given by switching control of the CPU to a waiting task under which circumstance(s)?
A task controlling the CPU is waiting for user input from a device.
A task controlling the CPU is performing output to a device.
A task has been in control of the CPU for longer than some predetermined maximum.
(a) II and III only
(b) I, II, and III
(c) I and III only
(d) I only
Correct answer is (b)
Your score on this question is: 8.33
Feedback:
See section 3.1 of the course notes.
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5.
Which of the following layers are contained within the software of an operating system?
Device drivers
Kernel
BIOS
(a) II only
(b) I, II, and III
(c) I and II only
(d) I and III only
Correct answer is (c)
Your score on this question is: 8.33
Feedback:
See section 3.1 of the course notes.
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6.
Which of the following steps are performed by the BIOS during the boot process?
Locating a disk drive that has an operating system to be loaded
Loading the necessary device drivers needed by the operating system
Loading into RAM the program to load the operating system
(a) I, II, and III
(b) I and II only
(c) II and III only
(d) I and III only
Correct answer is (d)
Your score on this question is: 0.00
Feedback:
See section 3.1 of the course notes.
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7.
Which of the following consequences are likely to happen when increasing the amount of time that each application can use the CPU, before the operating system preempts to allow another application to use the CPU?
A runnable process will have a greater amount of access to the CPU once it becomes a running task.
There will be fewer blocked processes.
Fewer processes can be multitasked by the operating system.
(a) I and II only
(b) II and III only
(c) I, II, and III
(d) I only
Correct answer is (d)
Your score on this question is: 0.00
Feedback:
See section 3.1 of the course notes.
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8.
Which of the following are programs containing software instructions to be executed by the CPU?
BIOS
Device driver
Operating system
(a) II and III only
(b) I and II only
(c) I and III only
(d) I, II, and III
Correct answer is (d)
Your score on this question is: 8.33
Feedback:
See section 3.1 of the course notes.
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9.
Which of the layers of software that make up a computer system provides applications with direct access to the operating system?
(a) Device drivers
(b) The API
(c) The BIOS
(d) Scripts
Correct answer is (b)
Your score on this question is: 0.00
Feedback:
See section 3.1 of the course notes.
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10.
Which of the following is not a reason why similar hardware products typically include their own device drivers to be installed on the system?
(a) The new driver corrects problems that were discovered in the application's interface to the device driver.
(b) The hardware interface on one vendor's product may support more functionality.
(c) The hardware interface may be proprietary to a vendor.
(d) The operating system was released prior to the hardware product becoming available.
Correct answer is (a)
Your score on this question is: 8.33
Feedback:
See section 3.1 of the course notes.
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11.
How does the operating system support multiple applications running concurrently on a computer with a single CPU?
(a) The operating system continues to run at the same time input/output devices are running.
(b) The operating system quickly switches the CPU back and forth between applications.
(c) The operating system contains accounts for multiple users.
(d) The operating system creates an environment for the simultaneous execution of applications.
Correct answer is (b)
Your score on this question is: 0.00
Feedback:
See section 3.1 of the course notes.
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12.
How would users benefit if the computer industry agreed on a standard for interfacing device drivers to operating systems?
(a) All operating systems supporting the standard could use the same device driver.
(b) Device drivers would require less software and take up less RAM.
(c) Only one device driver would be needed to communicate with all devices.
(d) Device drivers would never have to be updated after they are installed.
Correct answer is (a)
Your score on this question is: 8.33
Feedback:
See section 3.1 of the course notes.
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