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Computer Hardware MCQs for LDC

Practice 20 free computer hardware multiple choice questions for LDC exam. Instant answers with explanations in Hindi and English.

Strengthen your Computer Hardware knowledge for LDC with our free curated MCQ set. Every question follows real Rajasthan exam patterns. Switch between Hindi and English, and practice daily to build confidence before the exam.

LDC — Computer Hardware

20 Questions • Instant results & explanations • Hindi & English

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Question 1 of 20

Which specific hardware process perfectly encapsulates the operational phenomenon known as 'Bootstrapping' or booting?

Question 2 of 20

If a system needs to verify whether a user's logged processing time is 'greater than' an allocated threshold, which internal hardware unit mathematically concludes this logic?

Question 3 of 20

Which of the following elements does NOT fall under the classification of 'Computer Hardware'?

Question 4 of 20

Which of the following speed measurement metrics is exclusively associated with heavy-duty impact printers that utilize a massive rotating drum or chain mechanism?

Question 5 of 20

Match List-I (Subtypes of ROM) with List-II (Specific Erasing Characteristics): List-I a. PROM b. EPROM c. EEPROM List-II 1. Electrically erasable and reprogrammable without physical removal. 2. Erasable only by exposing the specific silicon chip to intense Ultraviolet (UV) light. 3. Programmable once, but generally not erasable by standard user methods thereafter.

Question 6 of 20

When referring to the state of data immediately prior to entering the CPU, which phrasing is most accurate?

Question 7 of 20

Assertion (A): Microphones are highly susceptible to background noise interference. Reason (R): Microphones are acoustic-to-electric transducers that process any physical sound wave vibration striking their flexible diaphragm. Select the correct answer from the options given below:

Question 8 of 20

Which of the following scenarios best exemplifies the interaction defined as a 'Direct Input Device' operation?

Question 9 of 20

Which of the following is considered an external input that a hardware device might capture and convert into binary?

Question 10 of 20

Which of the following describes the fundamental inability of a joystick regarding typical computer tasks?

Question 11 of 20

Which category of input devices requires continuous, direct human involvement to enter data by physically pressing keys or moving the device?

Question 12 of 20

What primary advantage do Automatic Input Devices hold over Manual Input Devices, particularly in high-volume environments?

Question 13 of 20

In a standard keyboard, what mechanism completes the electrical circuit when a key is pressed?

Question 14 of 20

Which of the following is an example of an Automatic Input Device that captures data from the physical environment with minimal human intervention?

Question 15 of 20

What happens to the light emitted by a Barcode Reader when it hits the white spaces of a printed barcode?

Question 16 of 20

Which prominent Mughal Emperor fundamentally introduced and issued a brand new, syncretic solar calendar known as the "Ilahi Era"?

Question 17 of 20

Which specific device category retains digital data temporarily while the Central Processing Unit (CPU) is executing active tasks?

Question 18 of 20

Which of the following devices is correctly categorized as an Automatic Input Device?

Question 19 of 20

Which characteristic best separates 'hardware' from 'software' in an architectural sense?

Question 20 of 20

Match the specific Input Device (List-I) with its corresponding operational description (List-II): List-I 1. Biometric Sensors 2. Touchpad 3. Light Pen List-II A. The input space coincides with the display area B. Captures data directly from the environment automatically C. Requires physical pressing and sliding by a human

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