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ER Modeling (Entities, Attributes, Relationships) MCQs

Prepare for ER Modeling (Entities, Attributes, Relationships) MCQs with verified questions, past-paper solutions, and conceptual explanations for CSS, PMS, FPSC, PPSC, and NTS examinations.

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389987 MCQs Page 32679

Topic Notes: Computer Science

These notes summarize the key preparation context before you attempt the MCQs. Review the topic focus, then practice the questions below with answers and explanations.

Quick Overview

Practice Computer Science MCQs to prepare for CSS, PMS, FPSC, PPSC, SPSC, KPPSC, BPSC, NTS, and university entry tests in Pakistan. This section covers key theoretical concepts, syllabus topics, and repeated past paper questions related to Computer Science.

Topic-Wise Breakdown
Structured subject modules organized by difficulty and exam frequency.
Verified Answer Keys
Detailed explanations cross-referenced with standard textbooks and commission keys.
Complete Coverage
Covers fundamental definitions, advanced problem-solving, and recent exam trends.

How to Prepare Computer Science MCQs for Competitive Exams

Review each sub-topic systematically. Start with fundamental concepts, practice multiple-choice question sets under timed conditions, and note down questions you missed in your revision tracker. Select a specific topic from the list below to begin practice.

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Express 4/5 as a percentage.
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What percent of 50 is 20?
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What is 25% of 400?
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The average of 4 numbers is 25. If a fifth number 35 is added, what will be the new average?
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The average of numbers from 1 to 99 is:
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The average age of 5 students is 12 years. If a teacher aged 32 joins them, what is the new average age?
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The average of 9 numbers is 50. If one number 70 is replaced by 40, what will be the new average?
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The average of 5 consecutive numbers is 18. What is the smallest number?
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The average of 7 numbers is 14. If one number is 28, what is the average of the remaining six numbers?
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The average of the first 20 natural numbers is: