Name of the University : Jamia Millia Islamia Coaching Academy
Name of the Exam : Entrance Examination
Degree : PG Diploma in Broadcast Technology
Document Type : Sample Question Paper
Name of the Subject : Broadcast Technology
Website : http://jmi.ac.in/aboutjamia/centres/mcrc/samplepapers
Download Sample Question Paper : https://www.pdfquestion.in/uploads/25155-broadcast.pdf
JMI PG Diploma Broadcast Technology Question Paper
Sample paper for entrance examination 2016
Time: Three Hours
Total Marks: 200
Related : Jamia Millia Islamia Entrance Test For Admission Question Paper Model : www.pdfquestion.in/7631.html
General Instructions
** All Questions Are Compulsory.
** The Question Paper comprises of Part- I (Objective/OMR) and Part- II (Descriptive/Subjective). Part -II comprises of Sections, A, B, and C.
Sample Question
Objective/OMR :
Marks: 20 x 1 =20 marks
Instructions :
** There is one correct answer to each question. Write the correct answer A or B or C or D.
Part- I
1) Which of the following is not a basic element within the microprocessor?
A) Microcontroller
B) Arithmetic logic unit (ALU)
C) Register array
D) Control unit
2) Ku Frequency band is used for
A) FM broadcasting
B) Terrestrial Television broadcasting
C) Direct to Home satellite broadcasting
D) None of the above
3) For a “D-Flip Flop”, whenever it is triggered
A) The output is inverted input
B) The output follows the input
C) Bothe the above
D) None of the above
4) The FM and TV terrestrial broadcasts are examples of
A)Ground wave propagation
B) Sky Wave propagation
C) Line of sight communication
D) Satellite communication
5) Optical communication is carried out in
A) Visible spectrum range
B) Microwave frequency rage
C) Ultra High Frequency range
D) None of the above
6) The electric field signal strength is measured in
A) Coulomb/Sec
B) Volt-meter
C) Volt-Ampere
D) Volt/meter
7) Which of the following media is used for the transmission of electromagnetic waves from 3 GHz to 30 GHz?
A) Optical fiber cables
B) Co-axial cables
C) Waveguides
D) Open wire line
8) Three Capacitors of 3 µF are connected in parallel, the total capacitance across the terminals is
A) 9 µF
B) 1 µF
C) 3 µF
D) None of the above
9) The current in a pure inductive circuit
A) Leads voltage by 90 0
B) Lags voltage by 90 0
C) is in phase with current
D) None of the above
10) An electromagnetic wave is said to be vertically polarized if
A) The Magnetic field is perpendicular to the earth
B) The Electric field is perpendicular to the earth
C) If it is moving perpendicular to the earth
D) None of the above
11) The most popular method for measurement of medium resistance is
A) Ammeter – voltmeter method
B) Potentiometer method
C) Wheatstone bridge method
D) Maxwell’s bridge method
12) In a transformer e.m.f. equation the value of flux is
A) Average value
B) RMS value
C) Maximum value
D) None of the above
13) In Star connected power system the phase current and line current are related as
A) Phase Current = 3 Line current
B) Phase current = Line Current
C) Phase Current = Line current / 3
D) None of the above
14) In a PNP transistor if biased to operate in active region, the base current is
A) due to electrons only
B) due to holes only
C) Mainly due to holes
D) Mainly due to electrons
15) Which of the following has highest mobility?
A) Electron
B) Neutron
C) Positive ion
D) Negative ion
16) Which of the following is a universal gate?
A) AND
B) OR
C) NAND
D) EX-OR
17)How is a J-K flip-flop made to toggle?
A) J = 0, K = 0
a. B) J = 0, K = 1
b. C) J = 1, K = 0
c. D) J = 1, K = 1
18) The two inputs to an X-OR gate are “A=1” and “B=1”. These are changed to “A=0” and “B=0”.The output will
A) Change from “1” to “0”
B) Change from “0” to “1”
C) Will remain “1”
D) Will remain “0”
19 )In a certain loaded transformer, the secondary voltage is one-fourth of the primary voltage. The secondary current is
A) one-fourth the primary current
B) four times the primary current
C) equal to the primary current
D) two times the primary current
20) ASCII stands for
A) American standard code for information interchange
B) All purpose scientific code for information interchange
C) American security code for information interchange
D) American Scientific code for information interchange
Part- II
Section – A :
Fill in the blanks : (Marks: 50 x 1 =50 marks)
1) The frequency range 174MHz to 230 MHz used for terrestrial TV Broadcast belongs to …………….
2) Absolute zero temperature is ……………………..
3) Band width of Audio signal is approximately …………………….
4) In the series RLC circuit, the currents passing in the circuit at resonance will be…………………..
5) The number of free electrons in intrinsic semiconductor decreases when the temperature ……………..
6) The current in a N type semiconductor current is mostly because of ……………………
7) An ideal voltage source has……………….
8) The P type semiconductor is an example of…………………
9) A Zener diode is operated in the following mode as a voltage stabilizer …………………
10) If an circuit diagram representation of a transistor, the arrow is shown from base terminal to emitter terminal, then the transistor is a ………………..
11) If the depletion layer in PN junction decreases the its capacitance……………………
12) An auto transformer has…………………….
13) Amplitude modulation of a carrier wave by a single frequency result in……………….
14) In 16 QAM each symbol carries how many number of data hits………………….
15) Ku frequency band is used for DTH (Direct to Home) service gas frequency range of ……………….
Section – B :
Short answer type questions : 5marks each 20
Marks: 20 x 5 =100 marks
1) What is a transducer? Discuss one important transducer that may be found in a radio studio.
2) A four-pole alternator is revolving at 1500 rpm speed. Find the frequency of the alternator.
3) Find out the decimal number equal to the binary number (1111)2.
4) Two NOR gates have inputs as (1, 1) and (0, 0) respectively. Their outputs are fed to anXOR gate. Find the output of XOR gate.
5) Draw the circuit of Operational amplifier (OP Amp) as a integrator.
6) Find the number of bits required for a Digital to Analog (D/A) converter, if resolution required is 1 mV and maximum input voltage is 1 Volt.
7) In the following circuit, if R1=40 O and R2 = R3 = 80 O find VAB =80 V. Find the current through R1..
8) State and explain Faraday’s first law of Electromagnetic Induction.
9) Write difference between active and passive filters.
10) What is geo stationary satellite? How it is useful for broadcasting?
Section – C :
Note : Answer any TWO descriptive type questions. Please limit each answer to about 200 words.
Marks : 2 x 15 = 30
Q.1 Discuss why do you want to join this course and how it is going to be helpful for yourcareer objective? What contributions in your opinion can you make as a broadcast professional?
Q.2 Explain the difference between analog and digital signals. Discuss the advantages of digital signal in their processing, storage and transmission. Why digital media is preferred over analog media?
Q.3 Explain the use of internet for communication. Discuss the different services provided over internet? What are the limitations of internet with regard to distribution of audio andvideo broadcast media services?
Q.4 Explain why modulation of signals is required to be done . Compare Amplitude modulation and frequency modulation techniques.
Q.5 Discuss the role of computer networking and Information Technology in broadcasting.