In 3G network, W-CDMA is also known as UMTS. The minimum spectrum allocation required for W-CDMA is .......... (1) 2 MHz (2) 20 KHz (3) 5 KHz (4) 5 MHz

In 3G network, W-CDMA is also known as UMTS. The minimum spectrum allocation required for W-CDMA is .......... (1) 2 MHz (2) 20 KHz (3) 5 KHz (4) 5 MHz
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What is the minimum spectrum allocation required by W-CDMA? a) 5 MHz b) 20MHz c) 1.25 MHz d) 200 KHz

Description : What is the minimum spectrum allocation required by W-CDMA? a) 5 MHz b) 20MHz c) 1.25 MHz d) 200 KHz

Last Answer : a) 5 MHz

List specification of 3G W- CDMA (UMTS).

Description : List specification of 3G W- CDMA (UMTS).

Last Answer : Specifications of UMTS are:  1. It is more robust for multipath delays.  2. It provides higher immunity towards frequency selective fading.  3. It has very high packet data rates of 2.048Mbps. ... such as voice, data, multimedia, internet etc.  11. It has global seamless connectivity (roaming). 

UMTS is also known as _____________ a) IS-95 b) GPRS c) CdmaOne d) W-CDMA

Description : UMTS is also known as _____________ a) IS-95 b) GPRS c) CdmaOne d) W-CDMA

Last Answer : d) W-CDMA

What is the spectrum of stereophonic FM signal? A. 19 to 38 kHz B. 30 to 53 kHz C. 59.5 to 74.5 kHz D. 88 to 108 MHz

Description : What is the spectrum of stereophonic FM signal? A. 19 to 38 kHz B. 30 to 53 kHz C. 59.5 to 74.5 kHz D. 88 to 108 MHz

Last Answer : B. 30 to 53 kHz

How many voice signals (4 kHz max.) would fit into a 5 MHz spectrum? A. 1250 B. 500 C. 1000 D. 1500

Description : How many voice signals (4 kHz max.) would fit into a 5 MHz spectrum? A. 1250 B. 500 C. 1000 D. 1500

Last Answer : A. 1250

The extremely high frequency (EHF) band is in the radio spectrum range of _______. A. 30 to 300 kHz B. 30 to 300 GHz C. 3 to 30 MHz D. 3 to 30 GHz

Description : The extremely high frequency (EHF) band is in the radio spectrum range of _______. A. 30 to 300 kHz B. 30 to 300 GHz C. 3 to 30 MHz D. 3 to 30 GHz

Last Answer : B. 30 to 300 GHz

UMTS use which multiple access technique? a) CDMA b) TDMA c) FDMA d) SDMA

Description : UMTS use which multiple access technique? a) CDMA b) TDMA c) FDMA d) SDMA

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Which of the following 3G standard is used in Japan? a) Cdma2000 b) TD-SCDMA c) UMTS d) UTRA

Description : Which of the following 3G standard is used in Japan? a) Cdma2000 b) TD-SCDMA c) UMTS d) UTRA

Last Answer : c) UMTS

Which of the following is not a standard of 3G? a) UMTS b) Cdma2000 c) TD-SCDMA d) LTE

Description : Which of the following is not a standard of 3G? a) UMTS b) Cdma2000 c) TD-SCDMA d) LTE

Last Answer : d) LTE

_____include UMTS and CDMA2000. A. 2G B. 3G C. 4G D. None of above

Description : _____include UMTS and CDMA2000. A. 2G B. 3G C. 4G D. None of above

Last Answer : B. 3G 

Which of the following leads to the 3G evolution of GSM, IS-136 and PDC systems? a) W-CDMA b) GPRS c) EDGE d) HSCSD

Description : Which of the following leads to the 3G evolution of GSM, IS-136 and PDC systems? a) W-CDMA b) GPRS c) EDGE d) HSCSD

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Industrial noise frequency is between _________. A. 200 to 3000 Mhz B. 15 to 160 Mhz C. 0 to 10 Khz D. 20 Ghz

Description : Industrial noise frequency is between _________. A. 200 to 3000 Mhz B. 15 to 160 Mhz C. 0 to 10 Khz D. 20 Ghz

Last Answer : B. 15 to 160 Mhz

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Last Answer : d. 12GHz

Consider a 32 - bit microprocessor, with a 16 - bit external data bus, driven by an 8 MHz input clock. Assume that the microprocessor has a bus cycle whose minimum duration equals four input clock cycles. What is the maximum data transfer rate for this microprocessor? (A) 8x106 bytes/sec (B) 4x106 bytes/sec (C) 16x106 bytes/sec (D) 4x109 bytes/sec

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Last Answer : (B) 4x106 bytes/sec

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Last Answer : (B) The number of requests for disk service are not influenced by file allocation method.

Suppose a digitized voice channel is made by digitizing 8 kHz bandwidth analog voice signal. It is required to sample the signal at twice the highest frequency (two samples per hertz). What is the bit rate required, if it is assumed that each sample requires 8 bits? (A) 32 kbps (B) 64 kbps (C) 128 kbps (D) 256 kbps

Description : Suppose a digitized voice channel is made by digitizing 8 kHz bandwidth analog voice signal. It is required to sample the signal at twice the highest frequency (two samples per hertz). What is the bit rate required, if it ... sample requires 8 bits? (A) 32 kbps (B) 64 kbps (C) 128 kbps (D) 256 kbps

Last Answer : (C) 128 kbps

When did you set foot on CDMA 3G ?

Last Answer : CDMA started 3G in 1999

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Last Answer : c) Cdma2000 1xRTT

2G and 2.5G CDMA operators may selectively introduce 3G capabilities at each cell without changing entire base stations and reallocate spectrums. a) True b) False

Description : 2G and 2.5G CDMA operators may selectively introduce 3G capabilities at each cell without changing entire base stations and reallocate spectrums. a) True b) False

Last Answer : a) True

Which of the following leads to evolution of 3G networks in CDMA systems? a) IS-95 b) IS-95B c) CdmaOne d) Cdma2000

Description : Which of the following leads to evolution of 3G networks in CDMA systems? a) IS-95 b) IS-95B c) CdmaOne d) Cdma2000

Last Answer : d) Cdma2000

What is the term used by ITU for a set of global standards of 3G systems? a) IMT 2000 b) GSM c) CDMA d) EDGE

Description : What is the term used by ITU for a set of global standards of 3G systems? a) IMT 2000 b) GSM c) CDMA d) EDGE

Last Answer : a) IMT 2000

______ includes GSM and CDMA. A. 2G B. 3G C. 4G D. None of above

Description : ______ includes GSM and CDMA. A. 2G B. 3G C. 4G D. None of above

Last Answer : A. 2G 

Assuming a UHF frequency range of 405.0125 MHz to 405.0875 MHz at 25 kHz channeling plan, how many channels can you produce? A. 2.5 ch. B. 2 ch. C. 4 ch. D. 3 ch.

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Last Answer : D. 3 ch.

Atmospheric noise becomes less severe at frequencies A. above 30 MHz B. below 30 MHz C. above 3000 kHz D. below 3000kHz

Description : Atmospheric noise becomes less severe at frequencies A. above 30 MHz B. below 30 MHz C. above 3000 kHz D. below 3000kHz

Last Answer : A. above 30 MHz

Industrial noise frequency is between _____. A. 0 to 10 KHz B. 160 MHz to 200 MHz C. 15 to 160 MHz D. 200 to 3000 MHz

Description : Industrial noise frequency is between _____. A. 0 to 10 KHz B. 160 MHz to 200 MHz C. 15 to 160 MHz D. 200 to 3000 MHz

Last Answer : C. 15 to 160 MHz

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Last Answer : C. 999.8 kHz, 1000 kHz, and 1000.2 kHz

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Last Answer : D. 300 MHz to 3 GHz

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Last Answer : B. 3 MHz to 30 MHz

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Last Answer : A. 30 to 300 kHz

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Last Answer : D. 300 – 3000 MHz

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Last Answer : A. 76 kHz

Assume a frequency range of 405.0125 MHz to 405.0875 MHz and 25 kHz channeling plan, determine the center frequency of the second channel from the lower limit. A. 405.030 MHz B. 405.025 MHz C. 405.050 MHz D. 405.075 MHz

Description : Assume a frequency range of 405.0125 MHz to 405.0875 MHz and 25 kHz channeling plan, determine the center frequency of the second channel from the lower limit. A. 405.030 MHz B. 405.025 MHz C. 405.050 MHz D. 405.075 MHz

Last Answer : C. 405.050 MHz

Assume a frequency range of 401.000 MHz to 401.050 MHz, if you apply 25 kHz channeling plan, determine the center frequency of the first channel from the lower limit. A. 401.010 MHz B. 401.0125 MHz C. 401.025 MHz D. 401.00625 MHz

Description : Assume a frequency range of 401.000 MHz to 401.050 MHz, if you apply 25 kHz channeling plan, determine the center frequency of the first channel from the lower limit. A. 401.010 MHz B. 401.0125 MHz C. 401.025 MHz D. 401.00625 MHz

Last Answer : B. 401.0125 MHz

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Description : A voice-grade circuit using the PTN has an ideal passband of A. 0 to 4 Hz B. 0 to 4 kHz C. 0 to 4 GHz D. 0 to 4 MHz

Last Answer : B. 0 to 4 kHz

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Description : What is the bandwidth ofa signal that ranges from 1 MHz to4 MHz? A) 4 MHz B) 1 KHz C) 3 MHz D) none of the above

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Description : The frequency spectrum of the stereophonic FM signal. A. 67 kHz B. 59.5 to 74.5 kHz C. 19 to 38 kHz D. 30 to 53 kHz

Last Answer : D. 30 to 53 kHz

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Description : Which of the following is not a mechanism that DHCP supports for IP address allocation? A) Automatic allocation B) Static allocation C) Dynamic allocation D) Manual allocation

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Suppose there are four processes in execution with 12 instances of a Resource R in a system. The maximum need of each process and current allocation are given below: Image With reference to current allocation, is system safe? If so, what is the safe sequence? (A) No (B) Yes, P1 P2 P3 P4 (C) Yes, P4 P3 P1 P2 (D) Yes, P2 P1 P3 P4

Description : Suppose there are four processes in execution with 12 instances of a Resource R in a system. The maximum need of each process and current allocation are given below: With reference to current allocation, is system safe? If so, ... B) Yes, P1 P2 P3 P4 (C) Yes, P4 P3 P1 P2 (D) Yes, P2 P1 P3 P4

Last Answer : (C) Yes, P4 P3 P1 P2

What is the spectrum range of U600 mastergroup? A. 60 – 108 kHz B. 564 – 3084 kHz C. 312 – 552 kHz D. 60 -2788 kHz

Description : What is the spectrum range of U600 mastergroup? A. 60 – 108 kHz B. 564 – 3084 kHz C. 312 – 552 kHz D. 60 -2788 kHz

Last Answer : B. 564 – 3084 kHz