Communication Skill Assistant (BPS-16) – ETEA Test Preparation Guide
Key Features of This Guide
✅ Latest ETEA Communication Skill Assistant MCQs (Updated for 2025)✅ Pak MCQs for General Knowledge & Current Affairs
✅ Past Papers with Solutions – Learn from previous exams
✅ Syllabus Breakdown – Understand what to study
✅ Effective Study Tips – Proven strategies for scoring high
✅ Downloadable PDFs – Get past papers in one click
Q71. A telephone channel requires a bandwidth of about ______.
ایک ٹیلی فون چینل کو تقریباً کتنی بینڈوڈتھ درکار ہوتی ہے؟
Choices:
A. 1 kHz
B. 3 kHz
C. 10 kHz
D. 50 kHz
✅ Answer: B. 3 kHz
📝 Explanation: Standard telephone channels use around 3 kHz bandwidth for voice transmission.
Q72. For a given carrier wave, maximum undistorted power is transmitted when the modulation value is ______.
کسی دیے گئے کیریئر ویو کے لیے، بغیر کسی مسخ کے زیادہ سے زیادہ طاقت کس ماڈیولیشن ویلیو پر منتقل ہوتی ہے؟
Choices:
A. 1
B. 0.8
C. 0.5
D. 0
✅ Answer: A. 1
📝 Explanation: A modulation index of 1 ensures maximum efficient power transmission without distortion.
Q73. According to Shannon-Hartley theorem, a noiseless Gaussian channel has ______.
شینن-ہارٹلی تھیورم کے مطابق، ایک شور سے پاک گاؤسی چینل میں ______ ہوتی ہے۔
Choices:
A. Zero capacity
B. Infinite capacity
C. Small capacity
D. None of the above
✅ Answer: B. Infinite capacity
📝 Explanation: A noiseless channel theoretically has infinite capacity since there is no interference affecting data transmission.
Q74. DVD uses ______ for data storage and playback.
ڈی وی ڈی ڈیٹا اسٹوریج اور پلے بیک کے لیے ______ استعمال کرتی ہے۔
Choices:
A. Laser beam for both recording and playback
B. Laser beam for recording and video head for playback
C. Video head for recording and laser beam for playback
D. None of the above
✅ Answer: A. Laser beam for both recording and playback
📝 Explanation: DVDs use laser beams to read and write data, ensuring high storage capacity and efficiency.
Q75. Fourier analysis indicates that a square wave can be represented as ______.
فوریئر تجزیہ سے پتہ چلتا ہے کہ ایک اسکوائر ویو کو ______ کے طور پر ظاہر کیا جا سکتا ہے۔
Choices:
A. A fundamental sine wave and odd harmonics
B. A fundamental sine wave and even harmonics
C. A fundamental sine wave and harmonics
D. Fundamental and subharmonic sine waves
✅ Answer: A. A fundamental sine wave and odd harmonics
📝 Explanation: A square wave consists of a fundamental sine wave combined with odd harmonics of decreasing amplitude.
Adver
Q76. FM transmitting and receiving equipment, compared to AM equipment, is ______.
ایف ایم ٹرانسمیشن اور رسیو کرنے والے آلات، اے ایم آلات کے مقابلے میں ______ ہوتے ہیں۔
Choices:
A. Costly
B. Cheaper
C. Almost equally costly
D. None of the above
✅ Answer: A. Costly
📝 Explanation: FM systems require more complex and expensive equipment compared to AM due to improved signal quality.
Q77. An audio signal (50 Hz to 10,000 Hz) is frequency translated by a carrier of 106 Hz. The initial and final fractional change in frequency are ______.
ایک آڈیو سگنل (50 Hz سے 10,000 Hz) کو 106 Hz کیریئر کے ذریعے فریکوئنسی ٹرانسلیٹ کیا جاتا ہے۔ ابتدائی اور حتمی فریکوئنسی میں تبدیلی کی قدریں ______ ہیں۔
Choices:
A. 200 and 1.01
B. 200 and 10.01
C. 200 and 100.1
D. 200 and 200
✅ Answer: B. 200 and 10.01
📝 Explanation: The fractional change depends on the ratio of the frequency bands before and after translation.
Q78. If a 1000 kHz carrier is modulated by an audio signal with a frequency range of 100-5000 kHz, the channel bandwidth is ______ kHz.
اگر 1000 kHz کیریئر کو 100-5000 kHz آڈیو سگنل سے ماڈیولیٹ کیا جائے، تو چینل بینڈوڈتھ ______ kHz ہوگی۔
Choices:
A. 5
B. 4.9
C. 995
D. 10
✅ Answer: D. 10
📝 Explanation: In AM transmission, bandwidth is twice the highest modulating frequency, which in this case is 10 kHz.
Q79. Which one of the following is an analog signal?
درج ذیل میں سے کون سا اینالاگ سگنل ہے؟
Choices:
A. PCM
B. PWM
C. Delta modulation
D. Differential PCM
✅ Answer: B. PWM
📝 Explanation: Pulse Width Modulation (PWM) is an analog technique used to encode continuous signals.
Q80. The disadvantage of FM over AM is that ______.
ایف ایم کا اے ایم کے مقابلے میں نقصان یہ ہے کہ ______۔
Choices:
A. High output power is needed
B. High modulating power is needed
C. Noise is very high for high frequency
D. Large bandwidth is required
✅ Answer: D. Large bandwidth is required
📝 Explanation: FM requires more bandwidth than AM, which limits the number of stations in a given frequency range.
What is the Syllabus for Communication Skill Assistant (BPS-16) Exam?
The ETEA test for Communication Skill Assistant (BPS-16) includes the following subjects:
📘 English Grammar & Composition
📘 Communication Skills (Verbal & Non-Verbal)
📘 General Knowledge & Current Affairs (Pak MCQs included)
📘 Pakistan Affairs & Islamic Studies
📘 Computer & IT Basics
Understanding these topics will help you focus on important areas and optimize your study time.
How to Prepare for ETEA Exams Effectively?
Here are proven tips to ensure success in the ETEA exam:
✔ Solve Past Papers – Identify frequently asked questions
✔ Practice MCQs Daily – Boost speed & accuracy
✔ Enhance Communication Skills – Work on verbal & non-verbal communication
✔ Improve English Grammar – Focus on sentence correction, vocabulary & tenses
✔ Stay Updated on Current Affairs – Read newspapers & follow news apps (Pak MCQs section)
Download ETEA Communication Skill Assistant Past Papers PDF
Want free access to past papers? Click below to download:
[Download PDF Here]
Practicing past papers will help you understand question patterns and improve your time management skills.
Why Choose This Guide?
✔ Authentic & Updated Content
✔ SEO-Optimized Study Material with Pak MCQs and ETEA Keywords
✔ Easy to Read & Well-Structured
✔ Covers All Syllabus Topics
✔ 100% Exam-Relevant Questions
More ETEA Communication Skill Assistant Past Papers & Pak MCQs
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