4. Instruments and Measurements :Specification of instruments – accuracy, precision, sensitivity, resolution range,Errors in measurements and loading effect, principles of voltage, current and resistance measurements, Transducers, measurement of displacement & strain, forces & torque measuring devices, pressure measuring devices, flow measuring devices, power control devices & circuits. Types of AC Milli voltmeters-Amplifier rectifier and 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 specifications of logic probes, signature analyzer and logic analyzer, signal generator, distortion factor meter, spectrum analyzer
Sample Questions
Ques: In the zero signal conditions, a transistor sees..?
1) a.c
2) a.c and d.c
3) d.c
4) none of above
Ques: Voltmeter is an instrument used for ?
1) Measuring electrical potential difference
2) Measuring Kinetic Energy
3) Measuring Current
4) Measuring Resistance
Ans is 1) Measuring electrical potential difference
Ques: Weber is the unit of
1) Magnetic moment
2) Magnetic induction
3) Magnetic field
4) Magnetic flux
Important: Block diagram explanation of a basic CRO
Ques: Signature Analyzer is used for ?
1) Doing Signature
2) Fault Finding
3) Proving Data
4) none of these
Ans is: Signature Analyzer is used for fault finding electronics circuits with a logic system such as a microprocessor board
Useful Books for Exam Preparation We recommend you to purchase these books for your preparation besides these sample questions as these sample questions won't be enough to qualify these exams.
These are some of the best books we found
5. Control Systems ; Basic elements of control system, open and closed loop system, concept of feedback Block diagram of con troll 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.Routh Hurwitz criterion, root locus techniques, Bode plot, power plot, Gain margin and phase margin.
Ques: In the d.c equivalent circuit of a transistor amplifier , the capacitor are considerds.....
a) short
b) open
c) open and short
d) all of above
6. Microprocessors : Typical organization of a microcomputer system & functions of its various blocks, Architecture of a Microprocessors, Memories and I/O Interfacing, Brief idea of M/C assembly languages, Machines & Mnemonic codes, instruction
format and Addressing mode concept of instruction set, programming exercises in assembly language, concept of interrupt, Data transfer techniques – sync data transfer, interrupt driven data transfer, DMA serial output data, serial input data.
Do you know ?
Data synchronization is the process of establishing consistency among data from a source to a target data storage and vice versa
Ques: What is SIM?
a) Select Interrupt Mask
b) Sorting Interrupt Mask
c) Set Interrupt Mask.
7. Computer and its working, types of computers, familiarization with DOS and Windows- concept of file, directory, folder, Number Systems, Data representation,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 Microprocessors –microprocessor architecture, instruction set and simple assembly level programming,
Do you know ?
Computers are basically of three types: Analog, digital & Hybrid
Digital Computer are of four types
1.Super Computers: A supercomputer is focused on performing tasks involving intense numerical calculations such as weather forecasting, fluid dynamics, nuclear simulations, theoretical astrophysics, and complex scientific computations
2.Mainframe Computers: The term mainframe computer was created to distinguish the traditional, large, institutional computer intended to service multiple users from the smaller, single user machines.
3.Mini Computers: A minicomputer (colloquially, mini) is a class of multi-user computers that lies in the middle range of the computing spectrum, in between the smallest multi-user systems (mainframe computers) and the largest single-user systems (microcomputers or personal computers).
4.Micro Computers: A microcomputer is a small, relatively inexpensive computer with a microprocessor as its central processing unit (CPU). It includes a microprocessor, memory, and input/output (I/O) facilities.
Ques: Pascal language was developed by?
A) Blaise Pascal
B) Niklaus Wirth
C) Anders Hejlsberg
D) None of these
Ans is B) Niklaus Wirth
Pascal, named in honor of the French mathematician and philosopher Blaise Pascal, was developed by Niklaus Wirth.
Microprocessors based system design, typical examples. Personal computers and their typical uses, data communication principles, types and working principles of modems, Net work principles, OSI model, functions of data link layer and network layer, networking components, communications protocolsa–X.25, TCP/IP Database Management System – Basic concepts, entity relationship model,
relational model, DBMS based on relational model.
Sample Questions
Ques-An input /output device at which data enters or leaves a computer system is
(A) Keyboard
(B) Terminal
(C) Printer
(D) Plotter
Answer: B
Ques-A factor in the selection of a source language is
(A) programmer skill
(B) language availability
(C) program compatibility with other software
(D) all of the above
Sample Questions
Ques: In the zero signal conditions, a transistor sees..?
1) a.c
2) a.c and d.c
3) d.c
4) none of above
Ques: Voltmeter is an instrument used for ?
1) Measuring electrical potential difference
2) Measuring Kinetic Energy
3) Measuring Current
4) Measuring Resistance
Ans is 1) Measuring electrical potential difference
Ques: Weber is the unit of
1) Magnetic moment
2) Magnetic induction
3) Magnetic field
4) Magnetic flux
Important: Block diagram explanation of a basic CRO
Ques: Signature Analyzer is used for ?
1) Doing Signature
2) Fault Finding
3) Proving Data
4) none of these
Ans is: Signature Analyzer is used for fault finding electronics circuits with a logic system such as a microprocessor board
Useful Books for Exam Preparation We recommend you to purchase these books for your preparation besides these sample questions as these sample questions won't be enough to qualify these exams.
These are some of the best books we found
5. Control Systems ; Basic elements of control system, open and closed loop system, concept of feedback Block diagram of con troll 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.Routh Hurwitz criterion, root locus techniques, Bode plot, power plot, Gain margin and phase margin.
Ques: In the d.c equivalent circuit of a transistor amplifier , the capacitor are considerds.....
a) short
b) open
c) open and short
d) all of above
6. Microprocessors : Typical organization of a microcomputer system & functions of its various blocks, Architecture of a Microprocessors, Memories and I/O Interfacing, Brief idea of M/C assembly languages, Machines & Mnemonic codes, instruction
format and Addressing mode concept of instruction set, programming exercises in assembly language, concept of interrupt, Data transfer techniques – sync data transfer, interrupt driven data transfer, DMA serial output data, serial input data.
Do you know ?
Data synchronization is the process of establishing consistency among data from a source to a target data storage and vice versa
Interrupt driven data transfer is used for relatively slow I/O devices, such as character printer, or an A/D converter.
a) Select Interrupt Mask
b) Sorting Interrupt Mask
c) Set Interrupt Mask.
7. Computer and its working, types of computers, familiarization with DOS and Windows- concept of file, directory, folder, Number Systems, Data representation,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 Microprocessors –microprocessor architecture, instruction set and simple assembly level programming,
Do you know ?
Computers are basically of three types: Analog, digital & Hybrid
Digital Computer are of four types
1.Super Computers: A supercomputer is focused on performing tasks involving intense numerical calculations such as weather forecasting, fluid dynamics, nuclear simulations, theoretical astrophysics, and complex scientific computations
2.Mainframe Computers: The term mainframe computer was created to distinguish the traditional, large, institutional computer intended to service multiple users from the smaller, single user machines.
3.Mini Computers: A minicomputer (colloquially, mini) is a class of multi-user computers that lies in the middle range of the computing spectrum, in between the smallest multi-user systems (mainframe computers) and the largest single-user systems (microcomputers or personal computers).
4.Micro Computers: A microcomputer is a small, relatively inexpensive computer with a microprocessor as its central processing unit (CPU). It includes a microprocessor, memory, and input/output (I/O) facilities.
Ques: Pascal language was developed by?
A) Blaise Pascal
B) Niklaus Wirth
C) Anders Hejlsberg
D) None of these
Ans is B) Niklaus Wirth
Pascal, named in honor of the French mathematician and philosopher Blaise Pascal, was developed by Niklaus Wirth.
relational model, DBMS based on relational model.
Sample Questions
Ques-An input /output device at which data enters or leaves a computer system is
(A) Keyboard
(B) Terminal
(C) Printer
(D) Plotter
Answer: B
Ques-A factor in the selection of a source language is
(A) programmer skill
(B) language availability
(C) program compatibility with other software
(D) all of the above
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