Practice on Setting IRQ, DMA, Memory Address, I/O Address, Resource Conflict, and Plug & Play

Practice on Setting IRQ, DMA, Memory Address, I/O Address, Resource Conflict, and Plug & Play

 

1. What does IRQ stand for in computer hardware?

A) Internal Resource Queue

B) Interrupt Request

C) Integrated Resource Queue

D) Input Resource Queue

Correct Answer: B) Interrupt Request

2. Which of the following is a common IRQ setting for a keyboard?

A) IRQ 1

B) IRQ 3

C) IRQ 5

D) IRQ 7

Correct Answer: A) IRQ 1

3. What is the purpose of DMA in computer systems?

A) To manage power consumption

B) To allow devices to access memory without CPU intervention

C) To increase the speed of the CPU

D) To handle input/output operations

Correct Answer: B) To allow devices to access memory without CPU intervention

4. Which of the following is a typical DMA channel used for sound cards?

A) DMA 0

B) DMA 1

C) DMA 3

D) DMA 5

Correct Answer: C) DMA 3

5. What is a resource conflict in a computer system?

A) When two devices try to use the same memory address or IRQ

B) When a device is not recognized by the operating system

C) When the CPU is overloaded

D) When the power supply is insufficient

Correct Answer: A) When two devices try to use the same memory address or IRQ 

6. What is the function of Plug and Play (PnP) technology?

A) To allow users to manually configure hardware settings

B) To automatically detect and configure hardware devices

C) To increase the speed of data transfer

D) To manage power consumption

Correct Answer: B) To automatically detect and configure hardware devices

7. Which of the following is a common memory address range for video cards?

A) 0xA0000 to 0xBFFFF

B) 0x0000 to 0xFFFF

C) 0xC0000 to 0xCFFFF

D) 0xD0000 to 0xDFFFF

Correct Answer: A) 0xA0000 to 0xBFFFF

8. What happens if two devices are assigned the same IRQ?

A) The devices will work perfectly

B) One device will not function properly

C) The system will automatically resolve the conflict

D) The CPU will crash

Correct Answer: B) One device will not function properly

9. How can you manually set the IRQ for a device in older systems?

A) Through the BIOS setup

B) By using the operating system settings

C) By physically changing jumpers on the device

D) Both A and C

Correct Answer: D) Both A and C

10. Which of the following tools can help identify resource conflicts in a Windows system?

A) Device Manager

B) Task Manager

C) Control Panel

D) Command Prompt

Correct Answer: A) Device Manager