BSNL TTA Exam Question Papers with Solutions

Can you provide me the question papers with solutions of BSNL TTA exam

BSNL TTA Exam basically consists of only written exams and along with the exam there is a medical test. There are three papers for this exam. Syllabus it covers is applied mathematics, physics, basic electricity, electronics devices and circuits and more. Subjects varies depending on the specialization eve Large number of vacancies are announced from BSNL for Diploma holder or M.Sc. in Electronics and similar branches.

Attached are papers with solutions of BSNL TTA exam that includes for the reference of candidates who are planning to appear for it. You can download it for free of cost:

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

Attached Files Available for Download

BSNL TTA Exam Question Papers with Solutions.pdf (116.2 KB, 910 views)

Give me question paper for BSNL Telecom Technical Assistants recruitment examination ?

Here I am giving you question paper for BSNL Telecom Technical Assistants recruitment examination in word file attached with it ..

some questions are given below :
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

BSNL Telecom Technical Assistants exam paper

Q1 Which of the following has high electrical resistivity

(a) Copper (b) Gold (c) Carbon (d) Silver

Q2 The resistance of 200 m. long circular copper wire is 21Ω.If its thickness is 0.44mm,What is the resistivity(ohm-m) of the copper is

(a) 1.597*10-8 (b) 2.507*10-8 (c) 5.597*10-6 (d) None of these

Q3 Metals have temperature coefficient of resistance

(a) Positive (b) negative (c) May be positive or Negative (d) None of these

Q4 The resistance of two wire is 25Ω when connected in series and 6Ω when connected in parallel.The resistance of each wire is

(a) 12 &13Ω (b) 15&10Ω (c) 20& 5 Ω (d) 24&1Ω

Q5 A current of 3A flows through 10Ω resistor. The energy dissipated in 5sec.is

(a) 450J (b) 150J (c) 250J (d) None of these

Q6 Ideal current source has its internal resistance equal to

(a)1Ω. (b)2Ω. (c) 0Ω (d) InfiniteΩ

Q7 If resistance of all three branches of star connected load is 1Ω each, then the resistance of each branch of equivalent delta load would be

(a) 3Ω (b) 9Ω (c) 0.3Ω (d) 1/3Ω

Q8 A p.d. of 300V is maintained across the terminals of the capacitor. The electric field strength(kV/m) between the plate gap of (0.3mm) is

(a) 1000 (b) 2000 (c) 3000 (d) 4000

Q9 An 8micro-farad capacitor is connected in series with 0.5MΩ resistor. The time constant of the RC circuit is

(a) 16sec. (b) 6sec (c) 5sec (d) 4sec

Q10 An 8micro-farad capacitor is charged from a 100V supply. The energy stored in the capacitor is

(a) 0.004J (b) 0.0016J (c) 0.008 J (d) None of these

Q11 A conductor carries a current of 100A at right angle to a magnetic field having density of 0.5 T. The force on per unit lengh of the conductor is

(a) 50N (b) 500N (c) 150N (d) 5.0N

Q12 A magnetic flux of 200μwb passing through a coil of 1200 turns is reversed in 0.2sec.The induced emf in the coil is

(a) 12V (b) 2.4V (c) 2.2V (d) 1.2V

Q13 The value of 1/√(μ0 ε0) is equal to

(a) Speed of light (b) 1/ Speed of light (c) (Speed of light )2 (d) None of these

(a) NΦ/I (b) NI/Φ (c) I /ΦN (d) None of these

Q15 A coil of 200 turns is wound on a non-magnetic circular core of area 500mm2& the mean circumference of 400mm.The inductance of coil is

(a) 628H (b) 6.28μH (c ) 62.8μH (d) None of these

Q16 An alternating voltage is given by the equation v = 200Sin 314t the rms value of the voltage is

(a) 141.42V (b) 282.82V (c) 14.142V (d) None of these

Q17 In a transformer the induced emf in the winding is given by (notation used have their usual meaning)

(a) E = 1.11 N f Φm (b) E = 2.22 N f Φm (c) E = 4.44 N f Φm (d) None of these

Q18 A dc motor takes an armature current of 10A at 220V.The armature resistance of the machine is 0.2Ω, flux per pole is .01wb, the no of poles are 6,and the armature has wave wound 480 conductors. The torque developed in armature is

(a) 100Nm (b) 25Nm (c) 44Nm (d) 22.91Nm

Q19 A,3-phase, synchronous generator has 4 pairs of pole is running with the speed of 900 rpm.The frequency of the supply would be

(a) 50Hz (b) 60Hz (c) 25Hz (d) 150Hz

Q20 The advantage of permanent magnet moving coil(PMMC) instrument is

(a)Low power consumption (b) No hysteresis loss
(c) Efficient eddy current damping (d) All of the above

Q21 The majority charge carrier in p-type semiconductor are

(a) Electrons (b) Holes (c) Both Electrons and Holes (d) None of these

Q22 An n-type semiconductor as a whole is

(a) Electrically +ve (b) Electrically –ve (c) Electrically neutral (d) None of these

Q23 The out put of the logic gate is one, only when all the inputs are one. Then logic gate is

(a) AND (b) OR (c) NAND (d) NOR

Q24 In a transistor which of the following region is very lightly doped

(a) Emitter (b) Collector (c) Base (d) None of these

Answers

1 c23 a4 b5 a6 d7 a
89 d10 d11 a12 d13 a14 a1516 a17 c18 d19 b2021 b22 c23 a24 c

__________________
Answered By StudyChaCha Member

Kindly provide me the BSNL TTA exam previous year question paper…………

As per your request here I am sharing the BSNL TTA exam previous year question paper:

BSNL TTA exam previous year question paper

Part A: Basic Engineering
1. The probability of hitting a target from one gun 9/10, from another gun is 7/10. If both gun are fired at the same time, the probability of hitting the target is
(A) 2/20 (B) 63/100
(C) 16/20 (D) 63/20
2. If the three vectors a, b and c are coplanar , then the missed product a x b. c is
(A) Zero (B) Non-Zero
(C) Unity (D) Non of these
3. Limit sin x/x is x?0
(A) not defined (B) 1
(c) zero (D) -1
4. When a body hits an obstacle, the force with which it hits the obstacle depends upon its
(A) average velocity
(B) velocity at the instant of collision
(C) initial velocity
(D) all of these
5. The wavelength of visible light is of the order of
(A) 1µm (B) 100 µm
(C) 1mm (D) 1 Å
6. Whenever a source of sound moves towards an observer
(A) the frequency heard by the observer is less than that of the source
(B) the frequency heard by the observer is greater than that of the source
(C) the frequency heard by the observer is unchanged
(D) the wavelength of sound heard is greater than that of the sound emitted
7. Moving electric charges will interact with
(A) electric field only
(B) magnetic field only
(C) both of these
(D) none of these
8. Gamma radiation is most similar to
(A) sound waves (B) X-ray
(C) Alpha particles (D) neutrons
9. The fundamental particle responsible for keeping the nucleus together is
(A) meson (B) anti proton
(C) positron (D) muon
10. Air contains 21% oxygen by volume and the rest nitrogen. If the barometer pressure is 740 mm of Hg the partial pressure of oxygen is close to
(A) 155 mm of Hg
(B) 310 mm of Hg
(C) 465 mm of Hg
(D) 162 mm of Hg
11. In the electrolytic cell
(A) electrical energy is converted into chemical energy
(B) chemical energy is converted into electrical energy
(C) mechanical energy is converted into potential energy
(D) potential energy is converted into kinetic energy
12. The force required to maintain a body at constant speed in free space is equal to
(A) the mass of the body
(B) zero
(C) the weight of the body
(D) the force required to stop it
13. If the length of a spring is halved, the spring constant becomes
(A) half (B) 1/4th
(C) double (D) four times
14. The coefficient of static friction depends on
(A) the material of the bodies in contact
(B) the quality of surface finish of the bodies
(C) the presence of foreign matter between the surface
(D) all of these
15. The units of angular impulse in SI system are
(A) Nms (B) Ns
(C) Nm/s (D) Ns/m
16. Stainless steel contains iron and
(A) Chromium and nickel
(B) Chromium and carbon
(C) Nickel and carbon
(D) Chromium and manganese
17. The property of material by which it offers resistance to scratching or indentation is called
(A) Brittleness
(B) Hardness
(C) Toughness
(D) Resilience
18. The failure of a material due to repeated stressing is known as
(A) Creep
(B) Fracture
(C) Fatigue
(D) Brittle Fracture
19. The electric device which blocks DC but allows AC is called
(A) Capacitor
(B) Inductor
(C) Amplifier
(D) Transducer
20. When a charge is moved from one point to another in an electric field, the work done is
(A) independent of the path
(B) zero along the direction of the field
(C) measured in Joules per metre
(D) measure in Volt per metre
21. A capacitor with lowest leakage is
(A) Paper (B) Ceramic
(C) Polyester (D) Mica
22. A zener diode operates
(A) In an extremely high forward bias
(B) In an extremely low reverse bias
(C) In an extremely low forward bias
(D) In a reverse bias higher than laid down voltage
23. The specific gravity of a lead acid cell is often used as a measure of its
(A) Rate of discharge
(B) Operating temperature
(C) State of charge
(D) Life expectancy
24. An uniformly distributed load is one which
(A) Acts at a point on a beam
(B) Spreads uniformly over the whole length of a beam
(C) Varies uniformly over the whole length of a beam
(D) loads the beam from one end only
25. A steam engine device which keeps the speed of the engine, all loads, constant is known as
(A) Flywheel
(B) Eccentric
(C) Connecting rod
(D) Governor
26. The refrigerant hiving the lowest freezing point is
(A) Ammonia
(B) Carbon dioxide
(C) Freon – 11
(D) Freon – 22
27. Heat and work are
(A) Path functions
(B) Properties of a substance
(C) Point functions
(D) Absolute units

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Answered By StudyChaCha Member

Can you please tell me when BSNL TTA exam be held in 2014 or 2015?

I indeed want to know.

Please help.

Thanks a lot.