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  #2  
26th August 2014, 12:18 PM
Super Moderator
 
Join Date: Apr 2013
Re: BSNL TTA Entrance Exam Question Paper

Here I am giving you question paper for Bharat Sanchar Nigam Limited TTA entrance examination.
1. What is the name of the software that allows us to browse through web pages?
(a) Browser
(b) Mail Client
(c) FTP Client
(d) Messenger


2. What is the address given to a network called?
(a) System Address
(b) SYSID
(c) Process ID
(d) IP Address


3. Which one of the following is a valid DOS command?
(a) LIST *.*
(b) LIST???.
(c) RECOVER A:
(d) RENAME A:SAMPLE.TXT C:TEST.DOC


4. All system settings in WINDOWS are stored in:
(a) CONTROL.INI
(b) MAIN.INI
(c) SYSTEM.INI
(d) SETTING.INI


5. Which number system is usually followed in a typical 32-bit computer?
(a) 2
(b) 10
(c) 16
(d) 32


6. Which of the following is not an output device:
(a) Printer
(b) Scanner
(c) Flat Screen
(d) Touch Screen


7. A microprocessor is a processor with reduced
(a) instruction set
(b) power requirement
(c) MIPS performance
(d) none of the above


8. Which of the following is not an output of an assembler?
(a) executable program
(b) source listing with line numbers and errors
(c) a symbol table
(d) object program


9. Which layer of OSI model is responsible for routing and flow control:
(a) Presentation
(b) Transport
(c) Network
(d) Data Link


10. Arrays are passed as arguments to a function by
(a) value
(b) reference
(c) both a and b
(d) none of the above


11. Array is:
(a) linear data structure
(b) non-linear structure
(c) none of the above
12. A data structure in which elements are added and removed from only one end, is known as:
(a) Array
(b) Stack
(c) Queue
(d) None of the above
13. A diamond-shaped box in an Entity-Relationship diagram refers to:
(a) Entity
(b) Relationship
(c) Attribute
14. The principle means of identifying entities within an entity set is:
(a) Primary Key
(b) Record
(c) Attribute
(d) Tuple
15. Modem refers to:
(a) Modulator
(b) Modulation
(c) Demodulator
(d) Modulator and Demodulator
16. C language is available for which of the following Operating Systems?
(a) DOS
(b) Windows
(c) Unix
(d) All of the above
17. Which of the following have the fastest access time?
(a) Magnetic Tapes
(b) Magnetic Disks
(c) Semiconductor Memories
(d) Compact Disks
18. DMA stands for:
(a) Direct Memory Allocation
(b) Distinct Memory Allocation
(c) Direct Memory Access
(d) Distinct Memory Access
19. Array subscripts in C always start at:
(a):1
(b) 0
(c) 1
(d) Value provided by user
20. Which type of commands in DOS needs additional files for their execution?
(a) Batch Commands
(b) Internal Commands
(c) External Commands
21. Which of the following statements in regard to Directories is false?
(a) Directories can exist inside directories
(b) The root directory is always at the highest level
(c) Directories with files can be deleted
(d) Directories cannot be renamed
22. It is better to buffer a table when
(a) When a table is read infrequently
(b) When a table is linked to check tables
(c) When a table is read frequently and the data seldom changes
(d) When a single record is to be picked up
23. The Operating System is responsible for:
(a) Controlling peripheral devices such as monitor, printers, disk drives
(b) Provide an interface that allows users to choose programs to run and to manipulate files
(c) Manage users’ files on disk
(d) All of the above
24. A company whishes to connect two sites in different parts of the country together. It is
decided to use the telephone system. What device should be connected to the fileservers on each
site?
(a) Router
(b) Modem
(c) Switch
(d) Hub
25. What is a file server?
(a) A computer that performs a service for other computers
(b) A computer that controls the printers on the network
(c) A computer that stores files that are created by network users


26. What is the Protocol used for the Internet?
(a) IPX/SPX
(b) NetBIOS/NetBEUI
(c) CDMA/CA
(d) TCP/IP


27. Which one of the following is not a Normal Forms (Normalization) rule with regards to the
Relational Model?
(a) All fields within a table must relate to or directly describe the Primary Key.
(b) Repeating Groups must be eliminated from tables.
(c) Fields that can contain non-numeric data are to be removed and placed within their own
tables with an associated Primary Key.
(d) Redundant data is to be eliminated by placing the offending fields in another table.


28. Choose the answer which best describes the term Primary Key:
(a) The Primary Key is a field that contains data that can be duplicated.
(b) The Primary Key is a field that contains data that is unique.
(c) The Primary Key is a field that is never associated with any field in other tables.
(d) The Primary Key field is a concept used only in Microsoft Access.


29. Which technique is used to reduce the size of a file:
(a) Compression
(b) Decompression
(c) Encryption
(d) Decryption


30. BIOS stands for
(a) Binary Input Output Set
(b) Binary Input Output System
(c) Basic Input Output Set
(d) Basic Input Output System


31. A floppy disk is consisting of 40 tracks, each track contains 100 sectors, and the capacity of a
sector is 512 bytes, what is the approx. size of that disk?
(a) 1 MB
(b) 2 MB
(c) 4 MB
(d) 8 MB


32. What is the binary equivalent of a decimal number 68:
(a) 1000100
(b) 1100100
(c) 1000010
(d) 1000001


33. Assembly language to machine language translation is:
(a) One-to-One
(b) One-to-Many
(c) Many-to-One
(d) Many-to-Many


34. Maximum size of IP address is:
(a) 12 bits
(b) 24 bits
(c) 32 bits
(d) 48 bits


35. RAM stands for
(a) Read Access Memory
(b) Read After Memory
(c) Random Access Memory
(d) Random After Memory


36. What is the final value of sum?
main ()
{
int sum=1;
for(;sum<=9
printf(%d\n, ++sum);
}
(a) 9
(b) 10
(c) 11
(d) none of the above


37. If c is a variable initialized to 1, how many times the following loop be executed:
while(c>0 && c<60)
{
c++;
}
(a) 59
(b) 60
(c) 61
(d) none of the above


38. The declaration void fun(int) indicates the fun is a function which:
(a) has no arguments
(b) returns nothing
(c) both a and b
(d) none of the above


39. Out of the following which is not valid network topology:
(a) Bus
(b) Star
(c) Circle
(d) Tree


40. The overall logical structure of a database can be expressed graphically by:
(a) Data Flow Diagram
(b) Flow Chart
(c) Directed Graph
(d) Entity-Relationship Diagram


41. CARRY, in a half-adder, can be obtained using:
(a) OR gate
(b) AND gate
(c) EX-OR gate
(d) EX-AND gate


42. The memory that requires refreshing of data is:
(a) SROM
(b) DROM
(c) SRAM
(d) DRAM


43. The minimum number of bits required to represent numbers in the range:28 to +31 is-
(a) 5
(b) 6
(c) 7
(d) 8


44. Which bus carries information between processors and peripherals?
(a) Data bus
(b) Control bus
(c) Address bus
(d) Information bus


45. Which part of the computer perform arithmetic calculations?
(a) Control unit
(b) Registers
(c) ALU
(d) CPU


46. A gigabyte represents:
(a) 1 billion bytes
(b) 1000 kilobytes
(c) 230 bytes
(d) 10 megabytes


47. The minimum number of bits required to store the hexadecimal number FF is:
(a) 2
(b) 4
(c) 8
(d) 16


48. Cache memory enhances:
(a) memory capacity
(b) memory access time
(c) secondary storage capacity
(d) secondary storage access time


49. A UPS:
(a) increases the storage capacity of a computer system
(b) increases the processor speed
(c) provides backup power in the event of a power cut\
(d) none of the above


50. An RDBMS is a:
(a) Remote DBMS
(b) Relative DBMS
(c) Reliable DBMS
(d) Relational DBMS
  #3  
20th May 2015, 03:55 PM
Unregistered
Guest
 
Re: BSNL TTA Entrance Exam Question Paper

Will you please provide the Bharat Sanchar Nigam Limited Telecom Technical Assistant
Entrance Exam Question Paper ?
  #4  
20th May 2015, 03:56 PM
Super Moderator
 
Join Date: Apr 2013
Re: BSNL TTA Entrance Exam Question Paper

Here I am providing the list of few questions of Bharat Sanchar Nigam Limited Telecom Technical Assistant Entrance Exam Question Paper which you are looking for .
BSNL TTA Exam Question paper
1. X2 - 4X - 2Y + Y2 = 4 represents a circle with
(a) radius = 3
(b) radius = 4
(c) radius = 2
(d) radius = 5
2. Which of these represent two parallel lines:
(a) Y - 4X - 4 = 0
(b) Y + AX - 4 = 0
(c) Y - 4X - 1 =0
(a) (i) and (ii)
(b) (i) and (iii)
(c) (ii) and (iii)
(d) None of these.
3. The conjugate of complex numbers 3 + 2j is
(a) 3 - 2j
(b) 2 + 3j
(c) 2 - 3j
(d) 3 + 4j
4. A Square matrix each of whose diagonal element is 1 and each of the non-diagonal element is zero is called
(a) Null matrix
(b) Unit matrix
(c) Diagonal matrix
(d) Orthogonal matrix
5. The determinant of matrix <image> is
(a) 1
(b) 9
(c) 15
(d) 21
6. The charge of an electron is equal to
(a) 1.6 x 10-16 C
(b) -1.6 x 10-16 C
(c) 1.6 x 1019 C
(d) -1.6 x 1019 C
7. The potential energy of a charged conductor is
(a) 1/2 CV2
(b) 1/2 QV
(c) Both (a) and (b)
(d) None of these
8. Capacitors are mainly used in
(a) Electrical instruments
(b) Storage of electrical energy
(c) Overcoming voltage fluctuations
(d) All the above
9. Two capacities of 4 µF and 12 µF are joined in parallel. The total capacitance is
(a) 8 µF
(b) 16 µF
(c) 3 µF
(f) 2 µF
10. What is the total resistance between points 'A' and 'B' in the given circuit
<image>
(a) 12/7 O
(b) 15 O
(c) 7 O
(d) 7/12 O
11. A current of 12 A is passing through a pure resistive circuit when the potential difference of 60 volts is applied across it, if the potential difference applied is reduced to 12 V, the current would be
(a) 12/5 A
(b) 60 A
(c) 12 A
(d) 2 A
12. Which of these normally used household electrical bulbs will be having maximum resistance.
(a) 100 Watt bulb
(b) 50 Watt bulb
(c) 200 Watt bulb
(d) 25 Watt bulb
13.The distance of point P (4, 3) from the origin will be
(a) 7
(b) 1
(c) 5
(d) 9
14. The slope of the line passing from points (7, 3) and (5, 1) is
(a) 1
(b) 2
(c) 3
(d) 4
15. A line perpendicular to line 3x + 4y + 5 = 0 can be
(a) 4x + 3y + 4 = 0
(b) 4x - 3y + 3 = 0
(c) 3x - 4y + 5 = 0
(d) 3x - 4y + 2 = 0.
16. The centre of the circle x2 + 6x - 4y + y2 + 12 = 0 will be at
(a) (-3, 2)
(b) (3, -2)
(c) (-2, 3)
(d) (2, -3)
17. The product of (3 + 4j) and its conjugate is
(a) 7
(b) 25
(c) 12
(d) 21
18. During charging of a lead acid cell, the specific gravity of electrolyte will
(a) Increase
(b) Decrease
(c) Remain constant
(d) Increase then Decrease
19. The decimal number '12' is represented in binary system as
(a) 1100
(b) 0110
(c) 1010
(d) 1110
20. What is the value of current that will flow when a p. d. 200 V is applied across a circuit of 50 O resistance?
(a) 4 A
(b) 0.4 A
(c) 10 A
(d) 1 A
21. If both the inputs to a Nand Gate are '1', the output would be
(a) 1
(b) 0
22. If input 'A' is 1 and input 'B' is 0, then output X will be
<image>
(a) 0
(b) 1
23. The truth-table of a Nand Gate is
(a)
A B X
0 0 1
0 1 1
1 0 1
1 1 0
(b)
A B X
0 0 0
0 1 0
1 0 0
1 1 1
(c)
A B X
0 0 0
0 1 1
1 0 0
1 1 1
(d) None of these
24. IC chip is usually made of
(a) Lead
(b) Silicon
(c) Chromium.
(d) None of these.
25. Below given network is connected to a 16 V battery with internal resistance of 1 O. What will be current drawn from the battery?
<image>
(a) 2 A
(b) 3 A
(c) 12/7 A
(d) 7/12 A
26.Determine the equivalent resistance of the following network:
<image>
(a) 6 O
(b) 12 O
(c) 3 O
(d) 9 O.
27. A Zener diode is
(a) Forward biased heavily doped silicon p-n junction
(b) Reversed biased heavily doped silicon p-n junction
(c) Forward biased diode operating at breakdown point
(d) Is used as rectifying device
28. Crystal oscillator is used when frequency required is
(a) High
(b) Low
(c) Constant
(d) Varying.
29. What is the energy in a quantum of radiation having a wave length of 5000 A?
(a) 3.98 x 10-19 J
(b) 3.98 x 10-9 J
(c) 2.9 x 10-19 J
(d) 7.9 x 10-19 J.
30. Which of these cannot store energy?
(a) Capacitor
(b) Inductor
(c) Resistance
(d) LC circuit.
31. A short bar of magnet placed with its axis at 300 with a uniform external magnetic field of 0.16 T experiences a torque of magnitude 0.032 J. What is the magnetic moment of the magnet?
(a) 0.40 JT-1
(b) 4.0 JT-1
(c) 0.04 JT-1
(d) 0.2 JT-1
32. The total force on a charge 'q' with velocity "V" in an electric field 'E' and magnetic field 'B' will be
(a) q (E + V x B)
(b) q(E + V.B)
(c) qE + VxB
(d) q(B + V x E)
33. The magnetic field B at the centre of a circular current loop of radius 'a' is given by
(a) B =µ0 I/2a
(b) B = µ0 I/a
(c) B = 2µ0 I/a
(d)B = µ0 a/2I
34. If f = x2 + 4xy + y2 + 9, then which of the following is not true:
(a) ?f/?x = 2x + 4y
(b) ?f/?y = 4x + 2y
(c) ?2f/?x2 = 2
(d) ?2f/?x?y = 4
35. A hollow metal ball 8 cm in diameter is given a charge of - 4 x 10-8 C. The potential on the surface of the ball is
(a) - 9000 V
(b) - 900 V
(c) - 90 V
(d) Zero.
36. The effective capacitance between X and Y is
<image>
(a) 8/3 µF
(b) 7/6 µF
(c) 5/6 µF
(d) 2 µF.
37. The amount of work done is joules in carrying a charge + Q alongwith path ABCD and back to A between two oppositely charged plates is:
<image>
(a) Q
(b) 4Q
(c)Q/2
(d) Zero.
38. How many electrons are contained in 1C?
(a) 6.25 x 1018
(b) 6.25 x 1019
(c) 6.25 x 1020
(d) 6.25 x 1021
39. The phase angle between voltage and current in an a. c. circuit through a pure capacitance is
(a) 180°
(b) 90°
(c) 60°
(d) 0°
40. The permeability of a material is 0.998. It is:
(a) Diamagnetic
(b) Paramagnetic
(c) Ferromagnetic
(d) Anti ferromagnetic.
41. The ratio of the specific charge of an electron to that of a positron is
(a) 1:1
(b) 1:2
(c) 2:1
(d) 4:1.
42. With increase in temperature, the electrical conductivity of intrinsic semiconductor
(a) Increases
(b) Decreases
(c) First increases then decreases
(d) First decreases then increases.
43. In a common collector circuit, input resistance is:
(a) Very high
(b) Very low
(c) Zero
(d) Moderate.
44. A electron jumps from the 4th orbit to the 2nd orbit of hydrogen atom. If R = 107/m, the frequency of emitted radiations will be
(a) 3/16 x 105 Hz
(b) 3/16 x 1015 Hz
(c) 9/16 x 1015 Hz
(d) 3/4 x 1015 Hz.
45. I amu. equals
(a) 1.67 x 10-27 g
(b) 1.67 x 10-28 g
(c) 1.67 x 10-29 g
(d) 1.67 x 10-27 kg
46. A tuning fork produces 4 beats/sec both with 50 and 40 cms of a stretched wire of a sonometer. The frequency of the tuning fork is
(a) 36 Hz
(b) 50 Hz
(c) 90Hz
(d) 110 Hz
47. A particle is executing SHM with an amplitude 4 cm. At what displacement its energy is half kinetic and half potential
(a) 2v2cm
(b) v2 cm
(c) 2 cm
(d) 1 cm.
48. An electron moves with a constant velocity V parallel to the direction of uniform magnetic field 'B'. The force experienced by the electron is
(a) BeV
(b) eV/B
(c)B/eV
(d) Zero.
49.A charged particle is moving along the axis of X. If an electric field is applied along the axis of Y, the motion of the particle in Y-Y plane will be
(a) Elliptical
(b) Parabolic
(c) Circular
(d) Linear
50. An electric or magnetic field cannot accelerate
(a) Electrons
(b) Protons
(c) Neutrons
(d) Alpha particles
  #5  
7th July 2016, 02:46 PM
Unregistered
Guest
 
Re: BSNL TTA Entrance Exam Question Paper

show me the answers of above mentioned question paper
  #6  
10th October 2019, 12:09 PM
Unregistered
Guest
 
Re: BSNL TTA Entrance Exam Question Paper

here I am looking for BSNL Telecom Technical Assistants (TTA) entrance exanm Question Paper to do preparation of this exam so will you plz let me know from where I can do collect its question paper ??
  #7  
10th October 2019, 12:11 PM
Super Moderator
 
Join Date: Aug 2012
Re: BSNL TTA Entrance Exam Question Paper

As you are asking for BSNL Telecom Technical Assistants (TTA) entrance exanm Question Paper , so on your demand I am providing same :

(1) Instrument is a device for determining
(a) the magnitude of a quantity
(b) the physics of a variable
(c) either of the above
(d) both (a) and (b)
(2) Electronic instruments are preferred because they have
(a) no indicating part
(b) low resistance in parallel circuit
(c) very fast response
(d) high resistance in series circuit
(e) no passive elements.
(3) A DC wattmeter essentially consist of
(a) two ammeters
(b) two voltmeters
(c) a voltmeter and an ammeter
(d) a current and potential transformer
(4) Decibel is a unit of
(a) power
(b) impedance
(c) frequency
(d) power ratio
(5) A dc voltmeter may be used directly to measure
(a) frequency
(b) polarity
(c) power factor
(d)power
(6) An accurate voltmeter must have an internal impedance of
(a) very low value
(b) low value
(c) medium value
(d) very high value
(7) The insulation resistance of a transformer winding can be easily measured with
(a) Wheatstone bridge
(b) megger
(c) Kelvin bridge
(d) voltmeter
(8) A 100 V voltmeter has full-scale accuracy of 5%. At its reading of 50 V it will give an error of
(a) 10%
(b) 5%
(c) 2.5%
(d) 1.25%
(9) You are required to check the p. f. of an electric load. No p.f. meter is available. You would
use:
(a) a wattmeter
(b) a ammeter, a voltmeter and a wattmeter
(c) a voltmeter and a ammeter
(d) a kWh meter
(10) The resistance of a field coil may be correctly measured by using
(a) a voltmeter and an ammeter
(b) Schering bridge
(c) a Kelvin double bridge
(d) a Maxwell bridge
(11) An analog instrument has output
(a) Pulsating in nature
(b) Sinusoidal in nature
(c) Which is continuous function of time and bears a constant relation to its input
(d) Independent of the input quantity
(12) Basic charge measuring instrument is
(a) Duddel's oscillograph
(b) Cathode ray oscillograph
(c) Vibration Galvanometer
(d) Bailastic Galvanometer
(e) Battery Charging equipment
(13) A.C. voltage can be measured (using a d.c. instrument) as a value obtained
(a) by subtracting the d.c. reading from it's a.c. reading.
(b) Using the output function of the multimeter
(c) By using a suitable inductor in series with it
(d) By using a parallel capacitor with it
(e) None of the above
(14) A moving coil permanent magnet ammeter can be used to measure
(a) D. C. current only
(b) A. C. current only
(c) A. C. and D. C. currents
(d) voltage by incorporating a shunt resistance
(e) none of these
(15) Select the wrong statement
(a) the internal resistance of the voltmeter must be high
(b) the internal resistance of ammeter must be low
(c) the poor overload capacity is the main disadvantage of hot wires instrument
(d) the check continuity with multimeter, the highest range should be used.
(e) In moving iron voltmeter, frequency compensation is achieved by connecting a capacitor across its
fixed coil.


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