Classification of Hardware, Software, and - Page 258

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389987 MCQs Page 258

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.

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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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2571

Is the integer n odd? (1) n is divisible by 3. (2) n is a multiple of 2.

2572

What is the value of x, given that x is a positive integer? (1) x squared is 25. (2) x multiplied by 3 is 15.

2573

Why is the concept of 'opportunity cost' important in economic decision-making?

A It accounts for the value of the next best alternative that is foregone when a choice is made. B It identifies the most profitable option among several competing investments. C It measures the total monetary cost of producing a specific good or service. D It calculates the inflation rate impact on future purchasing power.

2574

What is the most logical reason for the use of a vaccine in public health?

A To provide an immediate cure for patients already suffering from a viral infection. B To reduce the cost of medical equipment in hospitals. C To stimulate the immune system to recognize and fight specific pathogens. D To permanently alter the genetic makeup of the population to resist disease.

2575

Why do scientists use peer review before publishing research findings?

A To speed up the process of applying for new research grants. B To ensure that the research aligns with the political goals of the funding institution. C To allow the public to vote on whether the research should be accepted. D To ensure the quality and validity of the research through independent expert scrutiny.

2576

What is the most valid reason for the implementation of building codes in urban areas?

A To limit the number of people who can live in a specific geographic area. B To ensure the safety and structural integrity of buildings for their occupants. C To standardize the architectural appearance of neighborhoods for aesthetic appeal. D To provide work for government inspectors and regulatory agencies.

2577

Why is it considered logical to diversify an investment portfolio?

A To avoid paying capital gains taxes on profitable investments. B To simplify the process of tracking investment performance over time. C To guarantee a higher rate of return compared to keeping money in a savings account. D To minimize the impact of a decline in any single asset class on the total value.

2578

What is the most compelling reason for the use of encryption in digital communications?

A To increase the speed at which data packets are transmitted across the internet. B To ensure data confidentiality by making information unreadable to unauthorized parties. C To reduce the amount of storage space required for sensitive files. D To verify the identity of the sender without requiring a password.

2579

Why is the principle of 'separation of powers' fundamental to a democratic constitution?

A It ensures that the judicial branch has the final say on all legislative matters. B It allows the executive branch to act quickly during times of national emergency. C It simplifies the process of amending the constitution by involving multiple bodies. D It prevents the concentration of authority by creating a system of checks and balances.

2580

What is the primary reason for the adoption of renewable energy sources in modern power grids?

A To increase the efficiency of existing coal-fired power plants. B To eliminate the need for electrical transmission infrastructure over long distances. C To provide free electricity to all citizens regardless of their income level. D To decrease reliance on finite fossil fuels and reduce environmental degradation.

Classification of Hardware, Software, and Firmware MCQs

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Topic Notes: Computer Science

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How to Prepare Computer Science MCQs for Competitive Exams

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