BSNL TTA Paper Pattern, Syllabus & Books
Telecom technical Assistant (TTA)
The candidate’s comprehension and understanding of General English shall be tested through simple exercise such as provisio n of antonyms and synonyms, fill in the blanks and multiple-choice exercises etc. This shall also include questions on current events, general knowledge and such matters of everyday observation and experience as may be expected of Diploma holder.
(1) Geography of India (2) History of India (3) Indian Polity (4) Indian Economy (5) Everyday Science (6) General Science (7) Environmental Science (8) General Physics (9) General Chemistry (10) Life Science
(1) Persons in News (2) International Organizations (3) Games & Events (4) Awards & Honours (5) Books & Authors (6) Science & Technology (7) Defence & Security (8) Economic Affairs (9) National News (10) International News
(1) Active & Passive Voice (2) Direct & Indirect Speech (3) Synonyms (4) Antonyms (5) Comprehension Ability (6) Sentence Completion (7) Idioms & Phrases (8) One Word Substitution (9) Sentence Improvement (10) Spotting Error
1. Applied Mathematics
Co-ordinate Geometry; Vector Algebras, Matrix and Determinant; Differential calculus; Integral calculus, Differential equation of second order; Fourier Series; Laplace Transform; Complex Number; Partial Differentiation.
2. Applied Physics: Measurement
Units and Dimensions; Waves, Acoustics, Ultrasonic; Light; Laser and its Applications; Atomic Structure and Energy Levels.
3. Basic Electricity
Electrostatics, coulomb’s law, Electric field, Gauss’s theorem, concept of potential difference; concept of capacitance and capacitors; Ohm ‘s law, power energy, Kirchoff’s voltage and current laws and their applications in simple DC circuits; Basic Magnetism; Electro Magnetism; Electromagnetic induction; Concept of alternating voltage & current; cells and Batteries ; Voltage and Current Sources; Thevenin’s theorem, Norton’s theorem and their applications.
4. Electronic Devices and Circuits
Classification of materials into conductor ,semi conductor, insulator etc. electrical properties, magnetic materials, various types of relays, switches and connectors. Conventional representation of electric and electronic circuit elements. Active and Passive components; semi conductors Physics; Semi Conductor Diode; Bipolar Transistor & their circuits; Transistor Biasing & Stabilization of operating point; Single stage transistor amplifier; field effect transistor, Mosfet circuit applications.
Multistage Transistor Amplifier; Transistor Audio Power Amplifiers; Feedback in Amplifier; Sinusoidal Oscillators; tuned Voltage Amplifier; Opto Electronics Devices and their applications; Operational Amplifier; wave shaping and switching circuits. Block diagram of I.C timer(such as 555) and its working; Multivibrator circuits; Time base circuits; Thyristors and UJT; Regulated Power Supply.
5. Digital Techniques
Applications and advantages of digital systems; number system(binary and hexadecimal); Logic Gates; Logic Simplification; Codes and Parity; Arithmetic Circuits; Decoders. Display Devices and Associated Circuits; Multiplexers and De-multiplexers; Latches and Flip Flops; Counters; Shift Register; Memories; A/D and D/A converters.
3 phase vs single phase supply, Star Delta Connections, relation between phase & line voltage, power factor and their measurements; construction and principles of working of various types of electrical measuring instruments, all types of motor and generator-AC & DC transformers, starters, rectifiers, invertors, battery charges, batteries, servo and stepper motors, contactor control circuits, switch gear, relays, protection devices & schemes, substation, protection relaying, circuit breaker, generator protection, transformer protection, feeder & lightening protection, feeder & bus bar protection, lightening arrestor, earthing, voltage stabilizer & regulators, power control devices & circuits, phase controlled rectifiers, invertors, choppers, dual converters, cyclo converters; power electronics application in control of drivers, refrigeration & air conditioning.
Modulation and demodulations-principles and operation of various types of AM, FM and PM modulators/demodulators; pulse modulation TDM,PAM,PPM,PWM; Multiplexing, Principles and applications of PCM.Induction of Basic block diagram of digital and data communication system; coding error detection and correction techniques; Digital Modulation Techniques ASK,ICW,FSK,SK; Characteristics/working of data transmission circuits; UART,USART; Modems; Protocols and their functions, brief idea of ISDN interfaces, local area Network; Carrier telephony-Features of carrier telephone system. Microwave Engineering; Microwave Devices; Waveguides; Microwave Components; Microwave antennas; Microwave Communication System-Block diagram & working principles of microwave communication link.
3. Network, Filters and Transmission Lines
Two point network, Attenuator; Filters; Transmission Lines and their applications; characteristic impedance of line; concept of reflection and standing waves on transmission line; Transmission line equation; Principle of impedance matching; Bandwidth consideration of transmission line.
4. Instruments and Measurements
Specification of instruments-accuracy, precision, sensitivity, resolution range. Error in measurement and loading effect; Principles of voltage, current and resistance measurement; Transducers, measurement of displacement & strain, force & torque measuring devices, flow of measuring devices,
power control devices & circuits. Types of AC milli voltmeters-Amplifier rectifier amplifier: Block diagram explanation of a basic CRO and a triggered sweep oscilloscope, front panel controls; Impedance Bridges and Q-Meters. Principles of working and specification of logic probes, signal analyzer and logic analyzer, signal generator, distortion factor meter, spectrum analyzer.
5. Control Systems
Basic elements of control system , open and closed loop system, concepts of feedback. Block diagram of control system, Time lag, hysterisis linearity concepts; Self regulating and non self regulating control systems. Transfer function of simple control components, single feedback configuration. Time response of systems. Stability Analysis; Characteristics equation. Routh’s table, Nyquist Criterion, Relative stability, phase margin and gain margin. Robin Harwitz criterion; Root Locus technique, Bode plot, Polar plot, gain margin and phase margin.
Typical organization of microcomputer system and functions of its various blocks, Architecture of a Microprocessor; Memories and I/O Interfacing; Brief idea of M/C & assembly languages, Machines and Mnemonic codes; Instructions format and Addressing mode; concept Instruction set; programming exercises in assembly language; concept of interrupt; Data transfer techniques-sync data transfer, async data transfer, interrupt driven data transfer, DMA, serial output data, serial input data.
Computers and its working, types of computers, familiarization with DOS and window-concept of file, directory, folder, Number Systems; Data Communication. Programming-Elements of a high level programming language, PASCAL, C; use of basic data structures; Fundamentals of computer architecture, Processor design, control unit design; Memory organization. I/O System Organization.
Microprocessor – microprocessor architecture, instruction set and simple assembly level programming. Microprocessor based system design: typical examples. Personal computers and their typical uses, data communication principles, types and working principles of modems, Network principles, OSI model, functions of data link layer and network layer, networking components; communication proto col-x.25, TCP/IP. Database Management System-basic concepts, entity relationship model, relational model, DBMS based on relational model.
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