MCQ
1.In 1900-MHz band, a mobile station needs more a. Instructions b.Power c.Signals d.Frames ANS: B 2. Traffic channels in forward transmission of telephony, carrying digitized voice from the base station to the mobile stations are Channels 8 to 31 and a.32 to 40 b.32 to 63 c.32 to 60 d.33 to 63 ANS: d 3. The smallest of the short range wireless networks, designed to be embedded in mobile devices such as cell phones and credit cards a.Pervasive Computing b.Mobile Computing c.Personal Area Network(PAN) d.Near-Field Communication (NFC) ans: D 4. The modulation technique used for mobile communication systems during world war II was a. Amplitude modulation b. Frequency modulation c. ASK d. FSK ANS: B 5. ———– introduced Frequency Modulation for mobile communication systems in 1935. a.Edwin Armstrong b.Albert Einstein c.Galileo Galilei d.David Bohm ANS: A 6. The early FM push-to-talk telephone systems were used in a. Simplex mode b. Half dup...