Telecom Engineering Quiz 18 Welcome to Shaheen Leader Academy We expect 100% result. Click on Start Button. Your time is Ended. Thanks Telecom Engineering Telecom Engineering Quiz 1 / 25 A rating of 35 dB indicates a cable shield effectiveness that is considered to be:- Fair Good Excellent poor 2 / 25 How many address register does the AAU  of a DSP56000 have :- 16 24 8 3 / 25 What is standard form of STP;- Signaling Transfer protocol Switching Transfer protocol Signaling Transfer point 4 / 25 The value of a transistor is _____________:- less than 1 1 more than 1 5 / 25 What does MAC instruction of DSP56000 stand for :- Multiple access Multiply accumulator Multiple accounting 6 / 25 Ring modulator is used for DSB-SC generation;- True False 7 / 25 What is synchronous TDM ;- Gives same amount of tie to each device Gives same amount of frequency to each device Gives variable time to each device 8 / 25 The base of a transistor is ___________ doped ;- Lightly Heavily Moderately 9 / 25 Spectogram is the graph plotted against :- Frequency domain Both a b Time domain 10 / 25 Which processor execute  its instruction in a single cycle ;- MIPS R2000 8088 8086 11 / 25 Modulation is encoding the message  for efficient transmission;- True False 12 / 25 Message travels from transmitter to receiver with the help of:- Transmitter Receiver Channel 13 / 25 Power spectrum describe distribution of _____________ under frequency domain:- Gaussian Variance Mean 14 / 25 How many types of buffer jacket are used in fiber buffering:- 4 2 3 1 15 / 25 How are negative  numbers  stored in a coprocessor:- decimal 2s compliment 1s complement 16 / 25 Coupler insertion loss is same as that of excess loss:- False True 17 / 25 Superheterodyne principle provides selectivity at;- RF stage IF stage Audio stage 18 / 25 The differential attenuation of modes reduces intermodal pulse broadening on a multimode optical link:- True False 19 / 25 How many manufacturing methods are used for producing multimode fiber star couplers:- 2 3 1 5 20 / 25 In optical communication , carrier is:- Electromagnetic waves in optical frequency Electromagnetic waves in maximum frequency Electromagnetic waves in minimum frequency 21 / 25 Power density follows inverse square law :- False True 22 / 25 The  process of data conversion along with  formatting the data is called as :- Source coding Modulation Formatting 23 / 25 Which block or device does the  data compression:- Modulator Source encoder Channel encoder 24 / 25 A multi mode step index fiber has a normalized frequency of 72. Estimate the number of guided modes:- 2432 2592 2846 25 / 25 A forward bias pn junction diode has a resistance of the order of;- Ω MΩ kΩ Your score is Restart quiz Subscribe our Channel Here