Computer Fundamentals MCQs for LDC

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

Strengthen your Computer Fundamentals 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 Fundamentals

20 Questions • Instant results & explanations • Hindi & English

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Question 1 of 20

Consider the following examples: 1. WinZIP 2. Corporate Payroll System 3. Railway Reservation System 4. Disk Defragmenter Which of the above are examples of Customized Software?

Question 2 of 20

According to mathematician John von Neumann's universal computer architecture, a computer system must fundamentally consist of how many interdependent functional units?

Question 3 of 20

Statement I: The Analytical Engine was invented by Blaise Pascal in 1642 to perform addition and subtraction. Statement II: The Analytical Engine's structural design mirroring modern computer architecture is what earned Charles Babbage the title 'Father of the Modern Computer'. Which of the following is correct?

Question 4 of 20

Which specific technological event officially launched the Fourth Generation of computers by consolidating previously scattered components?

Question 5 of 20

How many distinct electronic generations characterize the history and evolution of modern computers following the pre-mechanical era?

Question 6 of 20

Which specific technical component sits between the raw input data and the generation of meaningful information, strictly dictating how the arithmetic operations are executed?

Question 7 of 20

If hardware represents the 'robust delivery mechanism' of a computer system, which entity specifically acts as the 'controlling intellect'?

Question 8 of 20

Which of the following devices translates two-dimensional motion into the movement of a cursor on a Graphical User Interface (GUI)?

Question 9 of 20

What is the full form of 'OMR', a technology extensively used by recruitment bodies like RPSC?

Question 10 of 20

Match the specific software or digital logic asset in List I with its correct overarching structural classification in List II. List I a. Antivirus and Disk Defragmenter b. Airline Reservation System c. System Bootstrapping Code d. Currently processing real-time data List II I. Stored strictly in Primary Workspace (RAM) II. Encoded permanently in ROM Firmware III. Classified as Utility Software IV. Classified as Customized Software Select the accurate logical combination:

Question 11 of 20

Match the fundamental hardware or software component in List I with its strict operational mechanism in List II. List I a. Dynamic RAM (DRAM) b. Static RAM (SRAM) c. Erasable Programmable ROM (EPROM) d. Secondary Storage List II I. Requires targeted Ultraviolet (UV) light exposure for memory erasure II. Inaccessible directly by the CPU; requires intermediate transfer to RAM III. Utilizes transistor logic (flip-flops) yielding ultra-fast, static buffering IV. Relies on capacitors and demands a continuous electrical refreshing cycle Choose the most accurate mapping:

Question 12 of 20

Which term describes data that has been successfully processed, structured, and presented in a given context to make it highly useful for humans?

Question 13 of 20

Consider the following statements regarding the Primary Memory: 1. The Primary Memory acts as the internal memory directly and rapidly accessible by the CPU via the memory bus. 2. Both RAM and ROM components fall under the structural classification of Primary Memory. 3. The Main Memory relies entirely on secondary storage architecture to achieve high access speeds. Which of the above statements is/are correct?

Question 14 of 20

Which specific hardware component functions analogously to a 'two-way tollbooth', holding data that was just fetched from RAM or data waiting to be written to RAM?

Question 15 of 20

Assertion (A): The Control Unit independently performs complex mathematical calculations and directly updates the memory with the results. Reason (R): The Control Unit acts as the system's central orchestrator, fetching and decoding instructions.

Question 16 of 20

Which of the following defines the primary responsibility of the Control Unit (CU) regarding 'instructions'?

Question 17 of 20

The computational speed of modern Supercomputers is universally measured in which of the following units?

Question 18 of 20

Which set contains exclusively Hardware components?

Question 19 of 20

Where was the Abacus primarily refined around 3000 B.C. after its initial invention?

Question 20 of 20

Which component is explicitly responsible for converting digital, binary formatted data into printed physical documents?

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