Input, Output , Storage Devices MCQs for Patwari
Practice 20 free Input, Output , Storage Devices questions under Computer Hardware — Computers.
Strengthen your Input, Output , Storage Devices knowledge for Patwari with curated MCQs. Switch between Hindi and English anytime.
Patwari — Computer Hardware — Input, Output , Storage Devices
20 Questions • Instant results & explanations • Hindi & English
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Question 1 of 20
What happens to the light emitted by a Barcode Reader when it hits the white spaces of a printed barcode?
Question 2 of 20
Which specific keys act as programmable shortcuts, varying in function depending on the active software?
Question 3 of 20
Assertion (A): Every digital device adheres to the Information Processing Cycle. Reason (R): The cycle relies exclusively on first-generation vacuum tube technology.
Question 4 of 20
Consider the following statement: 'The user must physically press keys, move a device, or touch a screen.' This statement acts as the foundational definition for which hardware category?
Question 5 of 20
For producing massive, highly accurate technical drawings and architectural blueprints, which specialized output device relies on automated mechanical pens to draw continuous high-resolution vector lines?
Question 6 of 20
Which specific hardware process perfectly encapsulates the operational phenomenon known as 'Bootstrapping' or booting?
Question 7 of 20
Which of the following is an advantage of OLED displays over other technologies?
Question 8 of 20
Which of the following describes the mechanism by which a Light Pen determines exact coordinates on a screen?
Question 9 of 20
Which specific hardware components were introduced sequentially to replace vacuum tubes, thereby initiating the second generation of computers?
Question 10 of 20
Given below are two statements, one labelled as Assertion (A) and the other labelled as Reason (R). Assertion (A): Touchscreens lack the tactile feedback of a physical keyboard. Reason (R): Touchscreens are primarily direct-input pointing devices that overlay a visual display on a flat glass panel. Select the correct answer from the codes given below:
Question 11 of 20
Given below are two statements, one labeled as Assertion (A) and the other as Reason (R). Assertion (A): Computer architecture mandates the inclusion of Secondary Storage (Auxiliary Memory) alongside Primary Storage. Reason (R): Primary Storage is volatile, meaning any active instructions or data it holds will be permanently lost the moment the computer's power is turned off. Choose the correct option:
Question 12 of 20
Which of the following computer components strictly houses the critical non-volatile 'bootstrap' instructions—specifically the BIOS—required to wake up and systematically test hardware upon powering up?
Question 13 of 20
Consider the operational mechanism of a Light Pen. Which of the following is an essential requirement for its functional accuracy?
Question 14 of 20
What explicitly does the Central Processing Unit (CPU) represent in the provided Data Processing Cycle diagram?
Question 15 of 20
Regarding computer output types, match List-I (Characteristics/Examples) with List-II (Output Type) and select the correct answer using the codes given below: List-I a. Exists independently of the computer system b. Audio from a speaker c. Unprintable and easily modifiable d. Blueprints from a plotter List-II 1. Soft Copy Output 2. Hard Copy Output
Question 16 of 20
Which of the following fundamentally differentiates Secondary Storage devices from Primary Storage memory within a computer architecture?
Question 17 of 20
A device where the 'input space coincides' with the visual interaction area is scientifically classified as a:
Question 18 of 20
Which of the following hardware limitations is explicitly associated with a modern optical mouse?
Question 19 of 20
Which of the following describes a prominent disadvantage of Static RAM (SRAM) that actively prevents its widespread use as the primary multi-gigabyte system RAM?
Question 20 of 20