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Lesson 4 - Operating Systems Structure Quiz

Authored by bernard ugalde

Computers

University

Used 8+ times

Lesson 4 - Operating Systems Structure Quiz
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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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