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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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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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326721
A man spends 20% of his income on food, and 50% of the remaining on rent. If he saves Rs 4000, his income is?
326722
A spends 20% on rent, 30% on food, 10% on education. If he saves Rs 2000, his income is?
326723
A man spends 70% of his income. If he saves Rs 1500, what is his income?
326724
In an election, 15% votes were invalid. The winner got 55% of the total valid votes and secured 8250 votes. What was the total number of votes cast?
326725
Two candidates fought an election. One got 52% of votes and won by 1200 votes. How many votes did the loser get?
326726
A candidate gets 65% of the votes and wins by 2700 votes. Find the total votes polled.
326727
In an election, candidate A got 30% of total votes. Candidate B got 60% of total votes. The remaining 2000 votes went to C. What were the total votes?
326728
Two candidates contested. One got 60% of the votes and was elected by a majority of 14,000 votes. The number of votes won by the winning candidate is?
326729
8% of voters in an election did not cast their votes. The winner obtained 48% of the total voters on the voter list and defeated his opponent by 1100 votes. Total voters on list?
326730
In an election, 20% votes were invalid. Winner got 70% of valid votes and won by 3200 votes. Find the total votes cast.