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Input, Output , Storage Devices MCQs for CET 12th Level

Practice 20 free input, output , storage devices multiple choice questions for CET 12th Level exam. Instant answers, explanations in Hindi and English, and topic-wise targeted practice.

Master Input, Output , Storage Devices under Computer Hardware for CET 12th Level with our curated MCQ set. Every question is sourced from real Rajasthan exam patterns and updated regularly. Switch between Hindi and English anytime. Use this daily to strengthen weak areas before the exam.

CET 12th Level — Computer Hardware — Input, Output , Storage Devices

20 Questions • Instant results & explanations • Hindi & English

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Question 1 of 20

Identify the multi-step data progression involving the ALU as described in the processing architecture.

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 statements is NOT correct about 'footloose industries'?

Question 4 of 20

In the data conversion pathway of a voice recording, what component takes over immediately after the microphone generates an analog electrical current?

Question 5 of 20

Which of the following Storage Devices represents the absolute peak of modern consumer data transfer speeds, frequently achieving rates of 3500+ Megabytes per second?

Question 6 of 20

Which technology is specifically engineered for evaluating multiple-choice examination answer sheets in competitive exams like the Rajasthan Patwari?

Question 7 of 20

Consider the following statements regarding the evolution of computer hardware: 1. Vacuum tubes were utilized in the first generation of computers. 2. Transistors replaced integrated circuits in the evolution of hardware. 3. Microprocessors are a more recent advancement compared to vacuum tubes. Which of the above statements is/are correct?

Question 8 of 20

Assertion (A): A computer without input devices is practically an isolated entity. Reason (R): Input devices are the critical gateway through which external human intent is digitized into machine language.

Question 9 of 20

Assertion (A): Optical Mark Recognition (OMR) scanners require specifically designed, perfectly aligned forms to function properly. Reason (R): OMR technology works by interpreting the structural shapes of handwritten characters and converting them into editable text. Select the correct answer from the codes given below:

Question 10 of 20

Which of the following is a primary characteristic of a Liquid Crystal Display (LCD) monitor?

Question 11 of 20

In which of the following cities is a major historic Iron and Steel plant situated within the state of Karnataka?

Question 12 of 20

What is the primary role of the 'Auxiliary Retention Loop' in modern computer architecture?

Question 13 of 20

In the fundamental molecular structure of genetics, which specific nitrogenous base is strictly absent in DNA molecules?

Question 14 of 20

Assertion (A): Modifier keys like Shift and Ctrl can type special characters when pressed individually on a document. Reason (R): They generate an independent ASCII code recognized by the word processor without altering other keys.

Question 15 of 20

Given below are two statements, one labeled as Assertion (A) and the other as Reason (R). Assertion (A): Headphones and speakers cannot function properly solely using the pure binary digital data processed by the CPU. Reason (R): Acoustic output devices require physical movement to push air; thus, the digital data must first be converted into an analog alternating current to drive their electromagnets. Choose the correct option:

Question 16 of 20

In the context of visual output devices, what does the acronym DLP stand for?

Question 17 of 20

Which combination of device and processing chip/technology is incorrectly paired?

Question 18 of 20

In OCR technology, what causes the system to be highly prone to translation errors?

Question 19 of 20

Assertion (A): Keyboards have maintained relevance largely because they are unparalleled for Graphical User Interface (GUI) cursor navigation. Reason (R): Keyboards generate unique scan codes that process faster than mouse CMOS images.

Question 20 of 20

If an engineer designs a new peripheral that allows users to interact with a system solely by touching the visual display, which fundamental category does this fall into?

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