Transmission Modes and Error Detection MCQs

Prepare for Transmission Modes and Error Detection MCQs with verified questions, past-paper solutions, and conceptual explanations for CSS, PMS, FPSC, PPSC, and NTS examinations.

15 Solved Questions • 12 Mins Practice • Updated for 2026 Competitive Exams
MCQS
2026 Solved Edition · Updated October 2026 · Verified Editorial Standards

Welcome to the verified preparation module for Transmission Modes and Error Detection MCQs on McqsMind. This comprehensive set offers solved multiple-choice questions with answers, detailed explanations, and authentic past-paper style questions aligned with the latest syllabus of Data Communication (Computer Science).

100% Verified Answer Keys CSS, PMS, FPSC, PPSC, NTS Ready 2026/2027 Syllabus Guidelines

Direct Definition & Conceptual Scope

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Transmission Modes and Error Detection constitutes an essential examination topic within Computer Science, evaluating theoretical principles, historical context, and practical problem-solving applications. On MCQsMind, candidates practice verified past-paper solutions, conceptual breakdowns, and syllabus-aligned questions tailored for CSS, PMS, and competitive screening examinations.

Solved Questions

Practice with answers, explanations, and exam-focused revision notes.

15 MCQs Page 1

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Topic Notes: Transmission Modes and Error Detection

Quick Revision 3 min read 14 key points
Section 1 of 5

1 1. Transmission Modes: Directionality

3 points
  • Definition
    Simplex Mode: Data transmission occurs in only one direction, like a unidirectional broadcast from a transmitter to a receiver, such as a keyboard to a CPU or a radio station to a receiver.
  • Definition
    Half-Duplex Mode: Both stations can transmit and receive, but not simultaneously; when one device is sending, the other must only receive, like a walkie-talkie system.
  • Definition
    Full-Duplex Mode: Both stations can transmit and receive data simultaneously, utilizing two separate paths or channels, such as a telephone conversation where both parties can speak at once.
Section 1 / 5
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1
Which transmission mode is most commonly used for keyboard-to-CPU communication?
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2
What is the term for the extra bits added to data to facilitate error detection?
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3
Which error detection method divides data into a matrix to check parity for both rows and columns?
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4
What mathematical operation is fundamentally used in the calculation of a CRC?
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5
Which transmission mode is specifically designed for time-sensitive data like audio and video streams?
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6
In asynchronous transmission, what is used to indicate the start of a data byte?
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7
What is the main advantage of Hamming code over simple parity checks?
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8
Which transmission mode requires a clock signal to synchronize the sender and receiver?
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9
Which error detection technique uses the one's complement sum of data segments?
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10
What is the primary limitation of the simple parity check error detection method?
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Pedagogical Syllabus Blueprint

Transmission Modes and Error Detection MCQs: Preparation Strategy & Exam Blueprint

Examination Weightage & Commission Distribution

In Pakistan's premier competitive examinations—including the Federal Public Service Commission (FPSC General Recruitment & CSS MPT), Punjab Public Service Commission (PPSC Lecturer, Tehsildar & PMS Screening), KPPSC, SPSC, and BPSC—questions derived from Transmission Modes and Error Detection MCQs consistently constitute a decisive 10% to 25% weightage of the Data Communication paper. Testing agencies frequently evaluate both foundational factual recall and deeper analytical comprehension, requiring aspirants to master key dates, statutory articles, constitutional clauses, and thematic definitions.

High-Yield Conceptual Pillars & Distractor Analysis

Historical trend analysis across past five-year examination cycles demonstrates that examiner traps frequently involve closely matched numerical alternatives, chronologically contiguous treaties, and semantic subtleties in statutory phraseology. When preparing Transmission Modes and Error Detection MCQs, candidates must deliberately review the underlying rationale provided for every question rather than merely memorizing raw answer options. Understanding why incorrect distractors fail is the most reliable predictor of achieving top percentiles in computerized and optical mark recognition (OMR) screening tests.

Negative Marking Mitigation & Time Management Protocol

For examinations enforcing negative marking penalties (such as PPSC's 0.25-mark deduction per erroneous response or NTS gatekeeper quotas), an aggressive elimination technique must be deployed. Candidates should systematically rule out improbable options first to elevate probability thresholds from 25% to 50% or 100%. Allocating an average of 45 to 60 seconds per item during mock trials builds the psychological stamina and cognitive precision required to complete 100-question papers within official 90-minute time limits.

Recommended Reference Sources & Statutory Reading

To achieve definitive conceptual mastery in Computer Science, candidates are advised to cross-reference our solved explanations with primary gazettes, statutory texts, and canonical academic textbooks. Verifying controversial questions against authentic official repositories guarantees that prospective civil servants and professional candidates present incontestable answers during both optical paper evaluations and viva voce departmental interviews.