Explore topic-wise MCQs in Embedded Systems.

This section includes 2374 Mcqs, each offering curated multiple-choice questions to sharpen your Embedded Systems knowledge and support exam preparation. Choose a topic below to get started.

2251.

Which pin of 8253 is used for the generation of an external interrupt signal?

A. OUT pin
B. IN pin
C. Interrupt pin
D. Ready pin
Answer» B. IN pin
2252.

Which of the following method is employed when regenerative braking is necessary?

A. DC chopper
B. Variable resistor
C. Inverter rectifier
D. Motor-generator
Answer» B. Variable resistor
2253.

Which of the following is not an advantage of dictionary attack?

A. Very fast
B. Time-saving
C. Easy to perform
D. Very tough and inefficient
Answer» E.
2254.

Which of the below is used up to a range of 100km?

A. Infrared
B. Microwave
C. Visible range
D. Ultra-violet
Answer» C. Visible range
2255.

What are the requirements of Dorr-Oliver Fluosolids roaster?

A. Less excess air
B. Higher capacity
C. Short circuiting
D. All of the mentioned
Answer» E.
2256.

Theoretically, a four stroke engine should develop ____________ power as that of a two stroke cycle engine.

A. half
B. same
C. double
D. four times
Answer» B. same
2257.

Resting potential has a magnitude of_____________

A. 70 mV
B. -70 mV
C. 20 mV
D. -20 mV
Answer» C. 20 mV
2258.

What does tii represents in the equation of the productivity of a batch culture?

A. The organism is growing at μmax
B. Includes acceleration phase
C. The organism is not growing at μmax
D. Includes the stationary phase
Answer» D. Includes the stationary phase
2259.

How many mitochondrial proteins are encoded in nuclear genes and imported into mitochondria after their synthesis?

A. 600
B. 700
C. 800
D. 900
Answer» E.
2260.

Consider an operating line touches the equilibrium line, and then the fixed cost becomes

A. Minimum
B. Infinite
C. No fixed cost
D. None of the mentioned
Answer» C. No fixed cost
2261.

Quantity= Per capita sewage contributed per day x Population.

A. True
B. False
Answer» B. False
2262.

Which of the following is not a failure of retaining wall?

A. Structural slide
B. Shear sliding
C. Crushing
D. Slope pitching
Answer» D. Slope pitching
2263.

Total hardness of water can be determined by titrating the fixed volume of water against the standard ___________ solution.

A. Soap
B. Alkaline soap
C. Acidic soap
D. Alcoholic soap
Answer» E.
2264.

Which of the following cannot be used to obtain an approximate velocity?

A. GPS
B. Doppler radar system
C. Inertial navigation system
D. Primary radar
Answer» E.
2265.

If the average number of nonconformities per unit per sample is 0.074, what will be the lower control limit for the u-chart?

A. 0.0414
B. 0.0221
C. 0.0
D. -0.0513
Answer» D. -0.0513
2266.

When the sequences x1 [n] = u [n] and x2 [n] = u [n-3], the output of LTI system is given as _____

A. y[n] = n-2, n>3
B. y[n] = n-2, n≥3
C. y[n] = n+2, n>3
D. y[n] = n-2, n‚â§3
Answer» C. y[n] = n+2, n>3
2267.

Apart from using WAIT statements, which of the following is not possible in functions?

A. Variable assignment
B. Return statement
C. Variable declaration
D. Signal assignment
Answer» E.
2268.

Calculate the arc of contact if diameter of the two pulleys are 550mm and 300mm. Also the centre distance is 2800mm.

A. 1.04
B. 1.03
C. 1.01
D. 1.02
Answer» E.
2269.

Though local search algorithms are not systematic, key advantages would include

A. Less memory
B. More time
C. Finds a solution in large infinite space
D. Less memory & Finds a solution in large infinite space
Answer» E.
2270.

The HCF of two number 1, b(integer) are

A. b + 2
B. 1
C. b
D. None of the mentioned
Answer» C. b
2271.

What is Trans Himalayas?

A. The Himalayan ranges immediately north of the Great Himalayan range
B. The Himalayan ranges immediately south of the Great Himalayan range
C. The Himalayan ranges immediately east of the Great Himalayan range
D. The Himalayan ranges immediately west of the Great Himalayan range
Answer» B. The Himalayan ranges immediately south of the Great Himalayan range
2272.

Which of the following components of soil are acts as chemical sponges in the soil?

A. Clay minerals
B. Silica
C. Sodium
D. Potassium
Answer» B. Silica
2273.

Most common application for voice control application are ___________

A. Home security
B. Family health monitoring
C. Home security and health monitoring
D. Business
Answer» D. Business
2274.

__________ is a binder that becomes hard on baking.

A. Marine animal oil
B. Wood Resin
C. Oil Resin
D. Coal tar resin
Answer» B. Wood Resin
2275.

Sigma delta converter is a __________

A. 1 bit converter
B. 2 bit converter
C. 3 bit converter
D. 4 bit converter
Answer» B. 2 bit converter
2276.

The difference of supersaturated temperature and saturation temperature at that pressure is called

A. degree of super saturation
B. degree of superheat
C. degree of undercooling
D. none of the mentioned
Answer» D. none of the mentioned
2277.

Subland drill is type of drill according to______

A. l/d ratio
B. shank type
C. specific use
D. none of the mentioned
Answer» D. none of the mentioned
2278.

Which of the following materials cannot be welded by friction welding?

A. Aluminium
B. Copper
C. Stainless steel
D. Non-forgeable materials
Answer» E.
2279.

A 50 bus power system Ybus has 80% sparsity. The total number of transmission lines will be ___________

A. 225
B. 500
C. 475
D. 100
Answer» B. 500
2280.

__________ quantities of _______ protein are required for determination of properties in biochemical and biological assays.

A. Small, non-radiolablled
B. Small, radiolabelled
C. Large, radiolablelled
D. Large, non-radiolabelled
Answer» E.
2281.

For 100% modulation, power in each sideband is ________ of that of carrier?

A. 50%
B. 70%
C. 60%
D. 25%
Answer» E.
2282.

Select the incorrect statement from the following options.

A. Puzzolona is the oldest cement invented by Romans
B. Natural puzzolona is deposit of volcanic ash
C. Puzzolona was used in making concrete for construction of walls and domes
D. Puzzolona is quite setting cement and posses relatively low strength
Answer» E.
2283.

Standing wave ratio is defined as the

A. Ratio of voltage maxima to voltage minima
B. Ratio of current maxima to current minima
C. Product of voltage maxima and voltage minima
D. Product of current maxima and current minima
Answer» B. Ratio of current maxima to current minima
2284.

Which of the following is more acidic than alcohols?

A. Arrhenius acid
B. amine
C. alkyne
D. carboxylic acid
Answer» E.
2285.

The density of the atmosphere at sea level is 1.29kgm-3. Assume that is does not change with altitude. Then how high would the atmosphere extend? (g=9.8mm-2)

A. 0.5km
B. 0.8km
C. 8km
D. 80km
Answer» D. 80km
2286.

The LOCAL capability for client library is enabled by ______________

A. –enabled-local-file
B. –enable-local-infile
C. –enable-global-file
D. –enable-local-file
Answer» C. ‚Äö√Ñ√∂‚àö√ë‚àö¬®enable-global-file
2287.

The opposite case of the source flow is ___________

A. sink flow
B. doublet flow
C. source flow
D. source-sink flow
Answer» B. doublet flow
2288.

Inverse z-transform of the system can be calculated using:

A. Partial fraction method
B. Long division method
C. Basic formula of the z-transform
D. All of the mentioned
Answer» E.
2289.

In the usual preparation for general surgery, the client may be __________

A. Given specifically ordered oral medications with small amounts of water
B. Given ice chips
C. NPO for 12 to 14 hours before
D. Allowed regular diet
Answer» B. Given ice chips
2290.

Water containing H2S, CO2 and CH2 are less corrosive to dam structure?

A. True
B. False
Answer» C.
2291.

Most of the vectors used with Streptomyces are derivatives of ____________

A. Bacteriophages
B. B. subtilis
C. E. coli
D. Pseudomonas
Answer» B. B. subtilis
2292.

The expression for the self cleansing velocity is given by

A. (8*B* (G-1) *g*d/f) <sup>1/3</sup>
B. (8*B* (G-1) *g*d/f)<sup> 2</sup>
C. (8*B* (G-1) *g*d/f)
D. (8*B* (G-1) *g*d/f) <sup>1/2</sup>
Answer» E.
2293.

By balancing back sight and fore sight error due to non parallelism of the line of collimation can be eliminated.

A. True
B. False
Answer» B. False
2294.

If an image is expressed as the multiplication of illumination and reflectance component i.e. f(x, y)= i(x, y) * r(x, y), then Validate the statement “We can directly use the equation f(x, y)= i(x, y) * r(x, y) to operate separately on the frequency component of illumination and reflectance” .$

A. True
B. False
Answer» C.
2295.

In nucleation, particles having radius less than rc are known as _______

A. Nuclei
B. Embryo
C. Element
D. Atom
Answer» C. Element
2296.

Which of the expressions correctly is an requirement of the pumping lemma for the context free languages?

A. uv<sup>n</sup>wx<sup>n</sup>y
B. uv<sup>n</sup>w<sup>n</sup>x<sup>n</sup>y
C. uv<sup>2n</sup>wx<sup>2n</sup>y
D. All of the mentioned
Answer» C. uv<sup>2n</sup>wx<sup>2n</sup>y
2297.

In tandem spectroscopy, the first stage sepatation device is a mass spectrometer.

A. True
B. False
Answer» B. False
2298.

The difference between initial and final deflection should not exceed ____ mm, for no leg correction value.

A. 0.02
B. 0.025
C. 0.050
D. 0.075
Answer» C. 0.050
2299.

cDNA libraries have been prepared that have the same sequences as the mRNA molecules produced by organisms, or else cDNA copies are sequenced directly by RT-PCR (copying of mRNA by reverse transcriptase followed by sequencing of the cDNA copy by the polymerase chain reaction).

A. True
B. False
Answer» B. False
2300.

What is a valid size of the Group Temporal Key (GTK) in WEP?

A. 40 bits
B. 128 bits
C. 512 bits
D. 80 bits
Answer» B. 128 bits