The inverter is an/a _______ gate (NPCIL)

A pulse train can be defined by a finite number of clock periods using ____ shift registers.
A) SISO
C) PISO B) SIPO D) PIPO

How many software interrupts are there in an 8085 microprocessor?
A) 8
C) 5 B) 6 D) 4

A transistor draws a base current of 100 µA when collector current is 10 mA. Calculate the values of alpha and beta respectively.

A) 100 and 0.999 B) 0.990 and 100 C) 0.875 and 120 D) 0.670 and 110

Which type of LCD has a highest color reproduction range?
A) Twisted Nematic
C) Vertical alignment panels B) In-panel switching D) Advanced fringe field switching

A logic circuit having a HIGH output when all its inputs are LOW is the
A) OR gate
C) Ex-OR gate B) NOR gate D) AND gate

MVI C, 25H is an example of which addressing mode in 8085 microprocessor?
A) Immediate Addressing Mode
C) Direct Addressing Mode B) Register Addressing Mode D) Register Indirect Addressing Mode

A Moving Iron Instrument cannot be used as a/an
A) Ammeter
B) Voltmeter C) Wattmeter D) Galvanometer

The instrument which automatically encodes the message typed on the keyboard and vice versa is
A) Telegraph machine
B) Electronic typewriter C) Teleprinter D) Printer

The base of a bi-polar junction transistor is

A) Lightly doped C) Heavily doped B) both of the above. D) None

A piece of silicon or germanium at 0˚C will act as
A) An insulator
C) A conductor B) A semiconductor D) A superconductor

What is PSW with respect to the 8085 microprocessor?
A) Accumulator and temporary register byte
C) Flag byte B) Accumulator and the flag byte D) Accumulator contents

Which type of amplifier has output voltage equal to the average of all input voltages?
a) Inverting averaging amplifier
b) Non-inverting averaging amplifier c) Non-inverting summing amplifier d) Inverting scaling amplifier

Expression for output voltage of non-inverting summing amplifier with five input voltage?
a) Vo = 5×( Va + Vb+ Vc+ Vd+ Ve)
b) Vo = [1+( Rf/R1)]× ( Va + Vb+ Vc+ Vd+ Ve) c) Vo = Va + Vb+ Vc+ Vd+ Ve d) Vo = ( Va + Vb+ Vc+ Vd+ Ve) /5

Find the type of amplifier that cannot be constructed in differential configuration?
a) Summing amplifier
b) Scaling amplifier c) Averaging amplifier d) Subtractor

Calculate the output voltage, when a voltage of 12mv is applied to the non-inverting terminal and 7mv is applied to inverting terminal of a subtractor.
a) 19mv
b) 5mv c) 1.7mv d) 8.4mv

Strain gage is an example of which device?
a) Transducer
b) Voltage follower c) Integrator d) Differentiator

An instrumentation system does not include
a) Transducer
b) Instrumentation amplifier c) Automatic process controller d) Tester

Transmission line are used for
a) Output signal
b) Input signal c) Signal transfer d) All of the mentioned

What is the line connecting the positive and negative peaks of the carrier waveform called?
a) Peak line
b) Maximum amplitude ceiling c) Modulation index d) Envelope

What is the reference line for the modulating signal?
a) Zero line
b) Carrier peak line c) Modulated peak line d) Un-modulated peak line