Câu hỏi về Hệ điều hành

What is the main goal of an operating system?

• To manufacture computer hardware

• To act as an intermediary between the user and computer hardware

• To develop application programs

• To create network protocols

Which of the following is not considered a component of a computer system?

• Hardware

• Operating system

• Compiler

• Application programs

Which component manages and coordinates the use of hardware among applications?

• Application program

• Operating system

• User

• Bus

Which of the following is an example of a system where users have dedicated resources but may still use shared servers?

• Embedded systems

• Mainframes

• Workstations

• Smartphones

Which term describes a software-generated interrupt caused by an error or request?

• Trap

• Signal

• Driver

• Cache

Which storage device typically offers non-volatile storage with faster performance than hard disks?

• DRAM

• NVM

• CD-ROM

• Cache

What is the purpose of a bootstrap program?

• To terminate processes

• To compile user programs

• To initialize the system and load the operating system

• To handle device drivers

Which memory type can be accessed directly by the CPU?

• Secondary storage

• Main memory

• Cache only

• Optical drive

Which of the following is a dual-mode operation for protection?

• User mode and admin mode

• User mode and kernel mode

• Process mode and thread mode

• Read mode and write mode

Which mechanism prevents a process from monopolizing CPU resources?

• System call

• Interrupt vector

• Timer

• Semaphore