Heaps and Hash Tables MCQs

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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.

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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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Which sentence correctly demonstrates the omission of an apostrophe in possessive pronouns?

Choose the sentence that correctly handles the possessive of a singular noun ending in 's':

Select the sentence where an external question mark is placed outside quotation marks:

A Did the manager actually say, "You are all dismissed"? B Did the manager actually say, "You are all dismissed?" C The manager said, "Are you all dismissed"? D Did the manager actually say, "You are all dismissed.?"

Identify the sentence that correctly places a question mark relative to quotation marks:

Choose the sentence that correctly punctuates a quotation broken by an attribution tag across two separate sentences:

A "I accept the nomination," she stated, "It is a great honor." B "I accept the nomination," she stated. "It is a great honor." C "I accept the nomination," she stated; "It is a great honor." D "I accept the nomination" she stated. "it is a great honor."

Select the correctly punctuated sentence containing an absolute phrase:

A The meeting adjourned the members departed for lunch. B The meeting having adjourned, the members departed for lunch. C The meeting having adjourned; the members departed for lunch. D The meeting, having adjourned the members departed for lunch.

Identify the sentence that correctly avoids a comma after a coordinating conjunction at the start of a sentence:

A But, the committee rejected the proposed amendment. B But the committee rejected the proposed amendment. C But; the committee rejected the proposed amendment. D But: the committee rejected the proposed amendment.

Choose the sentence that correctly uses a colon to link two independent clauses where the second explains the first:

A The athlete had one guiding principle: discipline always triumphs over talent. B The athlete had one guiding principle; discipline always triumphs over talent. C The athlete had one guiding principle, discipline always triumphs over talent. D The athlete had one guiding principle--discipline always triumphs over talent.

Select the sentence with correct punctuation for titles or professional credentials following a personal name:

A Tariq Mahmood Ph.D. delivered the keynote speech. B Tariq Mahmood, Ph.D., delivered the keynote speech. C Tariq Mahmood, Ph.D. delivered the keynote speech. D Tariq Mahmood; Ph.D., delivered the keynote speech.

Identify the sentence that correctly avoids an unnecessary comma between compound predicates:

A She drafted the legal brief, and submitted it to the senior partner. B She drafted the legal brief and submitted it to the senior partner. C She drafted the legal brief; and submitted it to the senior partner. D She drafted, the legal brief and submitted it to the senior partner.

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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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