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

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

Master Input, Output , Storage Devices under Computer Hardware for CET 12th Level with our curated MCQ set. Every question follows real Rajasthan exam patterns. Switch between Hindi and English anytime.

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

20 Questions • Instant results & explanations • Hindi & English

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Question 1 of 20

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

Question 2 of 20

What is the primary operational objective of equipping a Central Processing Unit with Cache Memory?

Question 3 of 20

Which of the following input technologies is exclusively engineered as a highly specialized, ultra-secure system for the banking and financial sector?

Question 4 of 20

Which of the fundamental components of the 'Core Triad' actively serves as the essential gateway, translating unstructured, continuous human actions (analog) into the rigid digital binary signals (1s and 0s) required by a computer?

Question 5 of 20

What constitutes the core engineering distinction between PROM and EPROM technologies within the Read-Only Memory family?

Question 6 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 7 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 8 of 20

When generating physical printouts or acoustic signals, a computer uses which of the following hardware classes?

Question 9 of 20

Consider the following statements regarding the role of Output Devices: 1. They act as an interface by converting human actions into electrical signals. 2. They translate machine-encoded, processed binary data back into human-understandable formats. 3. Physical printouts and acoustic signals are classic examples of output functionality. Which of the above statements is/are INCORRECT?

Question 10 of 20

Assertion (A): Unlike Solid-State Drives (SSDs), standard CD-ROMs utilize a purely electrical method incorporating floating-gate transistors to store 700MB of data. Reason (R): Optical storage achieves high density by entirely eliminating the necessity for moving mechanical parts like spinning discs or sweeping laser arms.

Question 11 of 20

Which of the following metrics accurately represents the typical data transfer rate ceiling experienced by mechanical Hard Disk Drives (HDDs) due to rotational latency?

Question 12 of 20

Consider the following statements about Thermal Printers: 1. They require constant replacement of expensive liquid ink cartridges. 2. They operate by using heated pins that make direct contact with specialized paper. 3. They are the industry standard for ATMs and retail POS receipt systems. Which of the statements given above is/are CORRECT?

Question 13 of 20

A device where the 'input space coincides' with the visual interaction area is scientifically classified as a:

Question 14 of 20

Assertion (A): Secondary magnetic storage directly translates human analog actions into binary code before permanent storage. Reason (R): Storage devices universally function by retaining digital binary data intact without engaging in active translation processes.

Question 15 of 20

Which of the following is NOT explicitly mentioned as a human-understandable format produced by an Output Device?

Question 16 of 20

What are the primary universally standardized fonts utilized in the printing of documents meant for MICR reading?

Question 17 of 20

Match List-I (Device Type) with List-II (Core Functionality) correctly: List-I a. Input Device b. Output Device c. Storage Device List-II 1. Translates processed binary data into visual displays. 2. Retains digital data permanently for future retrieval. 3. Converts environmental phenomena into electrical signals. Select the correct answer using the codes given below:

Question 18 of 20

How does OLED (Organic Light Emitting Diode) technology achieve absolute, infinite contrast ratios and true deep blacks on a display screen?

Question 19 of 20

Which of the following state-level administrative or clerical services is explicitly mentioned as requiring a nuanced understanding of computer hardware?

Question 20 of 20

What exactly is 'Toner' in the operational context of a Laser Printer?