Wireless Phones or Cordless Phones MCQs – Chapter 10 DAE 10 min Score: 0 Attempted: 0/10 Subscribe 1. In cordless phone for reception and transmission used, (A) 2 same frequencies (B) 2 different frequencies (C) One frequency (D) None of TheseShow All Answers 2. The cordless phones use following for communication (A) FM (B) AM (C) PM (D) None of TheseShow All Answers 3. Modern cordless phones use following for communication; (A) FM (B) AM (C) Spread spectrum techniques (D) None of TheseShow All Answers 4. The handset of cordless phones operate over following major frequencies bands; (A) Four (B) Two (C) Three (D) None of TheseShow All Answers 5. The cordless phones which operate over 43-50 MHz band (A) Poor Sound Quality (B) None of These (C) Both A & B (D) Better sound QualityShow All Answers 6. The cordless phones which operate over 900MHz and 2.4GHz. (A) Better sound Quality (B) Use digital Spread spectrum (C) None of These (D) Both A & BShow All Answers 7. In modern cordless phones use band; (A) 43-50MHz (B) 900MHz (C) 100MHz (D) None of TheseShow All Answers 8. The cordless phones which operate over 43-50 MHz have range (A) 21km/7000ft (B) 330m/1000ft (C) 1000m/1500ft (D) None of TheseShow All Answers 9. The cordless phones which operate over 900 MHz have range (A) 21km/7000ft (B) 330m/1000ft (C) None of These (D) 1000m/1500ftShow All Answers 10. The cordless phones which operates over move secured (A) None of These (B) 900 MHz (C) 43-50 MHz (D) 2.4 GHzShow All Answers