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Firewalls, VPNs, and Ethical Hacking Fundamentals MCQs

Prepare for Firewalls, VPNs, and Ethical Hacking Fundamentals MCQs with verified questions, past-paper solutions, and conceptual explanations for CSS, PMS, FPSC, PPSC, and NTS examinations.

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390987 MCQs Page 32739

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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327381
The ratio of ages of A and B is 1:4. The sum of their ages is 50. What will be the ratio of their ages after 10 years?
327382
The average age of 10 students is 20 years. If a 30-year-old teacher joins them, what is the new average age?
327383
A grandfather is 5 times older than his grandson. If the difference in their ages is 64 years, what is the grandson's age?
327384
A man's age is 10 years more than his wife's age. If the sum of their ages is 70, find the wife's age.
327385
The ratio of ages of a father and son is 8:3. The difference in their ages is 30 years. What is the son's age?
327386
If the sum of the ages of 3 friends is 72, what was the sum of their ages 4 years ago?
327387
A is 3 times as old as B. In 10 years, A will be twice as old as B. Find A's present age.
327388
The average age of a husband and wife was 25 years when they were married 5 years ago. What is the sum of their present ages?
327389
In 5 years, A's age will be double B's age. Currently, A is 15 years older than B. What is B's present age?
327390
The ratio of the ages of A and B is 7:3. If the sum of their ages is 50, what is the difference in their ages?