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Free Computers MCQs for LDC

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

Strengthen your Computers knowledge with focused MCQ practice. Every question is sourced from real Rajasthan exam patterns. Switch between Hindi and English, review explanations, and track your progress.

LDC — Computers

20 Questions • Instant results & explanations • Hindi & English

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Question 1 of 20

In the sequential Mail Merge flowchart, Step 2 requires the user to select a 'Starting Document'. Which of the following represents a valid systematic choice provided during this phase?

Question 2 of 20

Assertion (A): Blu-Ray discs and DVDs are classified as optical storage. Reason (R): They employ non-volatile NAND flash memory chips to retain data.

Question 3 of 20

In a Mail Merge operation, which component strictly acts as the blueprint containing the static letter layout that remains identical for everyone?

Question 4 of 20

Consider the following fields of scientific research: 1. Climate modeling 2. Nuclear weapons simulation 3. Cosmological research 4. Advanced quantum mechanics Which of the above domains fundamentally require the massive parallel processing capabilities of Supercomputers?

Question 5 of 20

In the complex interaction between hardware and software, which specific component is responsible for 'decoding' the fetched program instructions so the physical machine can understand them?

Question 6 of 20

Consider the following statements regarding the '.doc' file extension: 1. It is a proprietary, binary-based file format. 2. It was the default standard from Microsoft Word 2007 onwards. 3. It is highly susceptible to total data corruption compared to XML formats. Which of the statements given above is/are correct?

Question 7 of 20

A user is running MS Excel to perform complex financial calculations. According to the software hierarchy, which intermediary layer fundamentally allows MS Excel to communicate with the CPU to execute these calculations?

Question 8 of 20

Which of the following is NOT typically a government use-case for Microsoft PowerPoint?

Question 9 of 20

What are the three fundamental factors balanced in the hierarchical structure of a computer's memory architecture?

Question 10 of 20

If typographical convention dictates that exactly 72 points equal one physical inch, what point size must a user apply to text to make it print exactly half an inch tall?

Question 11 of 20

Which software architecture method was exclusively utilized to manage jobs and programs on hardware during the 1940s and 1950s?

Question 12 of 20

What is the primary difference between a Line Chart and an Area Chart in data visualization?

Question 13 of 20

Consider the following statements regarding 'Themes' in presentation design: 1. They prevent the disjointed visual appearance that occurs when slides are formatted manually. 2. Applying a theme automatically alters the default color palette utilized for charts and geometric shapes. Which of the statements given above is/are correct?

Question 14 of 20

Which of the following statements about the legacy .xls binary format is true?

Question 15 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 16 of 20

When dragging and dropping categorical variables to calculate averages and uncover financial patterns without using formulas, an administrator is natively utilizing:

Question 17 of 20

During the active execution cycle, from which specific component does the Control Unit (CU) retrieve the necessary program instructions?

Question 18 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 19 of 20

Which of the following best represents the category containing the keys: Shift, Ctrl, and Alt?

Question 20 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?

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