What do you know about mobile information?

Question 1. GSM stands for
1. Global System for Mobile Technology
2. Global System for Mobile Communications
3. Global Shared Memory
4. General System for Mobile Communications
Question 2. The working frequency of the GSM system is:
1. 800 and 1800 Mhz
2. 800, 900, 1800 and 1900 Mhz
3. 900, 1800, 1900 Mhz
4. 900, 1800 MHz
Question 3. A GSM carrier channel is wide
1. 200 KHz
2. 45 MHz
3. 200 MHz
4. 35 MHz
Question 4. Modulation in GSM is
1. QPSK
2. 64QAM
3. GMSK
4. PSK
Question 5. Access techniques in GSM?
1. TDMA
2. FDMA
3. CDMA
4. A and B
Question 6. The use band of P-GSM 900 uplink is:
1. 890-915 Mhz
2. 890-960 Mhz
3. 935-960 Mhz
4. 900-925 Mhz
Question 7. The frequency band of P-GSM is 900 downlink
1. 890-915 Mhz
2. 890-960 Mhz
3. 935-960 Mhz
4. 900-925 Mhz
Question 8. The bandwidth of GSM 1800 uplink is:
1. 1710-1785 Mhz
2. 1805-1850 Mhz
3. 1700-1750 Mhz
4. 1805-1880 Mhz
Question 9. GSM 1800 frequency band used downlink:
1. 1710-1785 Mhz
2. 1805-1850 Mhz
3. 1700-1750 Mhz
4. 1805-1880 Mhz
Question 10. What is the distance between the uplink frequency and the downlink frequency in GSM 900?
1. 25 MHz
2. 35 MHz
3. 45 MHz
4. 95 MHz

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