Answer / anya

The 8051 has an internal RAM of 128 bytes,a total of 32
locations of this internal RAM kept aside for the purpose of
general(working)registers. these 32 bytes are divided into 4
banks each bank has eight registers,R0-R7. these are also
addressed by 00 H to 1F H.They access by choosing a
particular bank(B-0,B-1,B-2,B-3)using D4 and D3 bits of
Program status word(SFR). Actually when power is given to
8051, Bank-0 is selected.

why a transistor amplify?

3 Answers  

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I have applied for the post of Assistant Instrumentation Engneer in IOCL and need urgently IOCL sample paper please help me.

0 Answers   IOCL,

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What is a half-adder?

0 Answers  

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what is hardware interrupt?

2 Answers   BEL, InfoCom,

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why is there -48 v DC voltage use in CISCO Router.?? is there any advatage to use this type of negative voltage rather than positive voltage??

1 Answers  

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Explain why bjt is known as current controlled device and fet is known as voltage controlled device?

0 Answers  

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What is the significance of the bandwidth of an amplifier?

0 Answers  

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What is the difference between FDM and WDM?

5 Answers  

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Hello all, My self Chandra Sekhar.Are there any certifications are there in Embedded Systems. If there, please provide me the details. My Mail ID: chandra_sas@yahoo.co.in

1 Answers  

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1. How many TRXs are supported in Nokia Metrosite 2. What is the command to lock the TRX 3. What is the command to unlock the BTS 4. What is the command from BSC to check the alarm in BTS 5. What is the maximum transmit power of FlexiEdge BTS 6. When Abis link is down, name the alarm that is generated at BSC 7. Orange LED on RRI card is glowing – what is the indication? 8. How many E1s are supported by one E1 card in BTS 9. How many ways one can login to BIO card? 10. What are the different data rates in Abis for Traffic, TRX signaling and OMU 11. BCSU card in BSC can support how many TRXs? 12. What is the command to check list of sites that are down? 13. How many TRX are supported when we use one M2HA card in BTS? 14. Name the different types of power supply card in BTS and the output power of each card 15. Ater interface is between transcoder and MSC – True/False 16. SS7 signaling is used in Abis interface – True/False 17. FlexiEdge BTS has RRI card – True/False 18. From Transcoder to MSC, data rate for each call is 64Kbps – True/false 19. Name different types of TRXs which supports different GSM bands 20. ODU LED shows orange – what is the significance?

0 Answers   Nokia,

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What is a multivibrator?

0 Answers  

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Explain the structure of entire GSM.

0 Answers   NSN,

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