[ CPU Processor ]

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[ CPU Processor ]

Useful GK for JPSC, JSSC, JET, Jharkhand Police and other exams.

381. Kernel Mode क्या होता है?

[A] Privileged CPU mode

[B] User mode

[C] Graphics mode

[D] Idle mode

381. What is kernel mode?

[A] Privileged CPU mode

[B] User mode

[C] Graphics mode

[D] Idle mode

सही उत्तर: Privileged CPU mode

व्याख्या: Kernel mode में full system access होता है।

Correct Answer: Privileged CPU mode

Explanation: Kernel mode has full system privileges.

382. User Mode क्या होता है?

[A] Limited access mode

[B] Full access mode

[C] CPU off mode

[D] Graphics mode

382. What is user mode?

[A] Limited access mode

[B] Full access mode

[C] CPU off mode

[D] Graphics mode

सही उत्तर: Limited access mode

व्याख्या: User mode में applications restricted access में चलती हैं।

Correct Answer: Limited access mode

Explanation: User mode restricts application access to system resources.

383. System Call क्या है?

[A] OS services को request करना

[B] CPU speed बढ़ाना

[C] RAM upgrade

[D] Disk format

383. What is a system call?

[A] Request OS services

[B] Increase CPU speed

[C] Upgrade RAM

[D] Format disk

सही उत्तर: OS services को request करना

व्याख्या: System call application और OS के बीच interface है।

Correct Answer: Request OS services

Explanation: System call allows programs to request OS services.

384. Interrupt क्या होता है?

[A] CPU को अचानक signal मिलना

[B] RAM increase

[C] Disk format

[D] Monitor change

384. What is an interrupt?

[A] Sudden CPU signal

[B] RAM increase

[C] Disk format

[D] Monitor change

सही उत्तर: CPU को अचानक signal मिलना

व्याख्या: Interrupt CPU को immediate attention देने के लिए signal होता है।

Correct Answer: Sudden CPU signal

Explanation: Interrupt signals CPU to stop current execution.

385. DMA का पूरा नाम क्या है?

[A] Direct Memory Access

[B] Direct Main Application

[C] Data Memory Allocation

[D] Device Memory Access

385. What is DMA full form?

[A] Direct Memory Access

[B] Direct Main Application

[C] Data Memory Allocation

[D] Device Memory Access

सही उत्तर: Direct Memory Access

व्याख्या: DMA CPU को bypass करके data transfer करता है।

Correct Answer: Direct Memory Access

Explanation: DMA allows devices to transfer data directly to memory without CPU.

386. DMA (Direct Memory Access) का मुख्य लाभ क्या है?

[A] CPU का load कम करना

[B] RAM बढ़ाना

[C] Monitor सुधारना

[D] Disk format करना

386. What is the main advantage of DMA?

[A] Reduces CPU load

[B] Increases RAM

[C] Improves monitor

[D] Formats disk

सही उत्तर: CPU का load कम करना

व्याख्या: DMA में data transfer CPU को bypass करके होता है जिससे CPU free रहता है।

Correct Answer: Reduces CPU load

Explanation: DMA allows data transfer without continuous CPU involvement.

387. Interrupt Handling में ISR का क्या अर्थ है?

[A] Interrupt Service Routine

[B] Internal System Resource

[C] Input Storage Register

[D] Instruction Set Register

387. What does ISR stand for in interrupt handling?

[A] Interrupt Service Routine

[B] Internal System Resource

[C] Input Storage Register

[D] Instruction Set Register

सही उत्तर: Interrupt Service Routine

व्याख्या: ISR वह function होता है जो interrupt को handle करता है।

Correct Answer: Interrupt Service Routine

Explanation: ISR handles the processing of interrupts.

388. Hardware Interrupt किससे generate होता है?

[A] External devices से

[B] Software से

[C] CPU core से

[D] RAM से

388. Hardware interrupts are generated by?

[A] External devices

[B] Software

[C] CPU core

[D] RAM

सही उत्तर: External devices से

व्याख्या: Hardware interrupt keyboard, mouse जैसे devices से आता है।

Correct Answer: External devices

Explanation: Hardware interrupts originate from external hardware devices.

389. Software Interrupt किससे generate होता है?

[A] Program instructions से

[B] Monitor से

[C] RAM से

[D] Disk से

389. Software interrupts are generated by?

[A] Program instructions

[B] Monitor

[C] RAM

[D] Disk

सही उत्तर: Program instructions से

व्याख्या: Software interrupt system call या program trigger करता है।

Correct Answer: Program instructions

Explanation: Software interrupts are triggered by programs or system calls.

390. Polling क्या है?

[A] Device status check करना CPU द्वारा

[B] RAM increase

[C] Disk format

[D] Monitor upgrade

390. What is polling?

[A] CPU checks device status repeatedly

[B] Increase RAM

[C] Format disk

[D] Upgrade monitor

सही उत्तर: Device status check करना CPU द्वारा

व्याख्या: Polling में CPU बार-बार device status check करता है।

Correct Answer: CPU checks device status repeatedly

Explanation: Polling is a method where CPU continuously checks devices.