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) None of These (B) AM (C) PM (D) FMShow All Answers 3. Modern cordless phones use following for communication; (A) FM (B) None of These (C) AM (D) Spread spectrum techniquesShow All Answers 4. The handset of cordless phones operate over following major frequencies bands; (A) Two (B) Three (C) Four (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) Both A & B (B) Use digital Spread spectrum (C) Better sound Quality (D) None of TheseShow 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) 330m/1000ft (B) 21km/7000ft (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) 1000m/1500ft (D) None of TheseShow All Answers 10. The cordless phones which operates over move secured (A) 2.4 GHz (B) 900 MHz (C) 43-50 MHz (D) None of TheseShow All Answers