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hệ điều hành

Authored by Lê Nam

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hệ điều hành
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30 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the main role of an operating system?

To compile programs

To manage databases

To act as an interface between user and hardware

To write applications

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is NOT a goal of an operating system?

Make the system user-friendly

Efficient hardware use

Replace hardware components

Run user programs

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which is NOT a component of a computer system?

Operating System

Hardware

Users

Website

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does a context switch involve?

Restarting the CPU

Switching from one process to another

Installing a new OS

Formatting memory

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which mode allows the OS to execute privileged instructions?

User mode

Guest mode

Admin mode

Kernel mode

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which user interface is text-based?

GUI

CLI

Touch UI

Voice UI

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the purpose of system calls?

To call other users

To connect hardware

To request services from the OS

To start the monitor

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