
Lesson 4 - Operating Systems Structure Quiz
Quiz
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Computers
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University
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Practice Problem
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Medium
bernard ugalde
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The portion of the OS code that is always resident in memory is known as the:
Compiler
Assembler
Text Editor
Kernel
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following instructions is NOT an example of a privileged instruction:
Reading the system time
Set CPU modes
Turns interrupts on and off
Virtual memory on and off
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
An application makes a system request of an operating system service. The application made which type of call?
Supervisor
System
Monitor
Privilege
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Interrupts are a key part of how the OS and hardware interact. An interrupt is:
An event triggered by a hardware signal sent to the CPU from an external device
Stored in ROM and loaded at start-up
Called to access a shared library function
Called to invoke a data structure operation
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why have kernel-mode device drivers been targets for hackers?
To provide access to kernel memory
To improve system performance
To enhance user experience
To increase device compatibility
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is not common OS architecture?
Monolithic
Layered
Microkernel
Cyclic
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Operating systems provide a variety of services. What service is responsible for managing moving data in and out of devices?
I/O Operations
File System
Security
Resource Allocation
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