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CEETA-PG - Common Engineering Entrance Test and Admission
Anna University, Chennai
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Shalisha Ladawn
PHYSICS
-
Classical Mechanics
Electric displacement current through a surface S is by definition proportional to the
A. rate of change of the electric flux through S.
B. magnetic flux through S.
C. rate of change of the magnetic flux through S.
D. time integral of the magnetic flux through S.
Shalisha Ladawn
PHYSICS
-
Classical Mechanics
Classical mechanics explains how _______ moves.
A. Macroscopic object.
B. Microscopic object.
C. All of above.
D. None of these.
Tamoban Javnoi
COMPUTER SCIENCE & IT
-
Database Management Systems
What is the primary purpose of normalization in database design?
A. To improve query performance.
B. To reduce data redundancy.
C. To increase data integrity.
D. To simplify database schemas.
Tamoban Javnoi
COMPUTER SCIENCE & IT
-
Database Management Systems
When is a database said to be in the Third Normal Form (3NF)?
A. When it is free of multivalued dependencies.
B. When it has no partial dependency.
C. When it has no transitive dependency.
D. When it has a single candidate key.
Tamoban Javnoi
COMPUTER SCIENCE & IT
-
Database Management Systems
Where would you typically find the definition of a database schema?
A. In the application code.
B. In the database management system metadata.
C. In the user interface.
D. In the transaction logs.
Tamoban Javnoi
COMPUTER SCIENCE & IT
-
Database Management Systems
How to ensure ACID properties are maintained in a transaction?
A. By using appropriate indexing.
B. By defining primary keys and foreign keys.
C. By using database transaction management features.
D. By normalizing the database.
Tamoban Javnoi
COMPUTER SCIENCE & IT
-
Database Management Systems
Which type of database index is typically used to improve the speed of queries that involve range searches?
A. Hash index.
B. B-tree index.
C. Bitmap index.
D. Full-text index.
Tamoban Javnoi
COMPUTER SCIENCE & IT
-
Computer Networks & Security
What is the purpose of a subnet mask in IP networking?
A. To identify the network portion of an IP address.
B. To prevent IP spoofing attacks.
C. To encrypt data packets for secure transmission.
D. To assign unique IP addresses to devices on a network.
Tamoban Javnoi
COMPUTER SCIENCE & IT
-
Computer Networks & Security
When should an organization implement two-factor authentication (2FA) for remote access to its network resources?
A. During regular business hours.
B. After a security breach has occurred.
C. Whenever employees work remotely or access sensitive data.
D. Only for executive-level employees.
Tamoban Javnoi
COMPUTER SCIENCE & IT
-
Computer Networks & Security
Where is the most secure location to place a firewall within a network architecture?
A. Between the router and the internal network.
B. Outside the demilitarized zone (DMZ).
C. Inside the DMZ, but before the web server.
D. After the switch, but before the router.
Tamoban Javnoi
COMPUTER SCIENCE & IT
-
Computer Networks & Security
Who is responsible for managing digital certificates in a Public Key Infrastructure (PKI) system?
A. Certificate Authority (CA).
B. Network Administrator.
C. End-users.
D. Internet Service Provider (ISP).
Tamoban Javnoi
COMPUTER SCIENCE & IT
-
Computer Networks & Security
Why is it important to regularly update software and firmware in network devices?
A. To increase network bandwidth.
B. To improve network performance.
C. To fix security vulnerabilities and bugs.
D. To enhance network reliability.
Tamoban Javnoi
COMPUTER SCIENCE & IT
-
Operating Systems
What is the main purpose of a context switch in an operating system?
A. To increase the clock speed of the CPU.
B. To switch the CPU from executing one process to another.
C. To allocate more memory to running processes.
D. To shutdown non-responsive processes.
Tamoban Javnoi
COMPUTER SCIENCE & IT
-
Operating Systems
When does a deadlock occur in a system?
A. When there is a lack of memory resources.
B. When multiple processes are blocked, each waiting for a resource held by another process.
C. When the CPU usage reaches 100%.
D. When a process is terminated abnormally.
Tamoban Javnoi
COMPUTER SCIENCE & IT
-
Operating Systems
Where is the Page Table typically stored in a computer system?
A. In the CPU registers.
B. In the main memory (RAM).
C. On the hard disk.
D. In the cache memory.
Tamoban Javnoi
COMPUTER SCIENCE & IT
-
Operating Systems
What mechanism does an operating system use to handle the execution of multiple processes that require frequent access to the CPU?
A. Multithreading.
B. Swapping.
C. Round-robin scheduling.
D. Memory segmentation.
Tamoban Javnoi
COMPUTER SCIENCE & IT
-
Operating Systems
How to resolve the critical section problem in concurrent programming?
A. Using virtual memory.
B. Implementing a semaphore.
C. Applying context switching.
D. Utilizing file permissions.
Tamoban Javnoi
COMPUTER SCIENCE & IT
-
Operating Systems
Which memory management scheme allows the physical address space of a process to be non-contiguous?
A. Paging.
B. Segmentation.
C. Contiguous allocation.
D. Swapping.
Tamoban Javnoi
COMPUTER SCIENCE & IT
-
Operating Systems
Why do modern operating systems use preemptive multitasking?
A. To simplify process management.
B. To enhance user interactivity and system responsiveness.
C. To minimize the number of processes.
D. To increase the size of the swap space.
Tamoban Javnoi
COMPUTER SCIENCE & IT
-
Operating Systems
When is the "thrashing" condition likely to occur in a system using virtual memory?
A. When the CPU is idle.
B. When the system has insufficient physical memory and excessive paging occurs.
C. When there are too many open files.
D. When the disk space is full.
Tail Briz
ENGINEERING
-
Electrical Engineering
In a buck-boost converter circuit, if the duty cycle of the switch is increased, what effect does it have on the output voltage?
A. Output voltage increases.
B. Output voltage decreases.
C. Output voltage remains unchanged.
D. Output voltage oscillates.
Tail Briz
ENGINEERING
-
Electrical Engineering
A transformer has a turns ratio of 1:10. If the primary winding has 500 turns, how many turns are there in the secondary winding?
A. 50 turns.
B. 1000 turns.
C. 5000 turns.
D. 10 turns.
Tail Briz
ENGINEERING
-
Electrical Engineering
What is the primary purpose of using transformers in the transmission and distribution of electrical power?
A. To convert AC to DC.
B. To increase current.
C. To step up or step down voltage.
D. To regulate frequency.
Tail Briz
ENGINEERING
-
Electrical Engineering
In a separately excited DC motor, if the field winding is open-circuited while the armature winding is connected to a DC supply, what will happen to the motor speed?
A. Motor speed increases.
B. Motor speed decreases.
C. Motor speed remains unchanged.
D. Motor speed reverses.
Tail Briz
ENGINEERING
-
Electrical Engineering
In a DC generator, what is the function of the commutator?
A. To convert AC to DC.
B. To regulate voltage.
C. To rectify the output.
D. To convert mechanical energy into electrical energy.
Tail Briz
ENGINEERING
-
Civil Engineering
What is the maximum allowable compressive strength of concrete for a reinforced concrete beam according to ACI 318-19?
A. 4,000 psi.
B. 5,000 psi.
C. 6,000 psi.
D. 8,000 psi.
Tail Briz
ENGINEERING
-
Civil Engineering
A soil sample has a liquid limit of 40% and a plastic limit of 20%. What is its plasticity index?
A. 10.
B. 20.
C. 30.
D. 40.
Tail Briz
ENGINEERING
-
Civil Engineering
What is the recommended minimum stopping sight distance (SSD) for a highway with a design speed of 60 km/h?
A. 60 m.
B. 80 m.
C. 100 m.
D. 120 m.
Tail Briz
ENGINEERING
-
Civil Engineering
A simply supported beam with a span of 8 m is subjected to a point load of 10 kN at midspan. What is the maximum bending moment in the beam?
A. 20 kNm.
B. 30 kNm.
C. 40 kNm.
D. 50 kNm.
Tail Briz
ENGINEERING
-
Civil Engineering
What is the recommended minimum pressure head required for a water distribution system to ensure adequate flow and pressure?
A. 10 m.
B. 15 m.
C. 20 m.
D. 25 m.
Tail Briz
ENGINEERING
-
Civil Engineering
In the design of reinforced concrete beams, what is the purpose of providing shear reinforcement such as stirrups or links?
A. To prevent excessive deflection.
B. To resist bending moment.
C. To enhance flexural strength.
D. To increase shear capacity.
Tail Briz
ENGINEERING
-
Civil Engineering
Which equation governs the flow of water through a porous medium, considering both Darcy's law and the continuity equation?
A. Navier-Stokes equation.
B. Manning's equation.
C. Hazen-Williams equation.
D. Dupuit-Forchheimer equation.
Tail Briz
ENGINEERING
-
Civil Engineering
What is the purpose of a detention basin in stormwater management?
A. To store excess stormwater temporarily.
B. To filter pollutants from stormwater runoff.
C. To convey stormwater to treatment plants.
D. To prevent erosion along waterways.
Tail Briz
ENGINEERING
-
Civil Engineering
Which method of structural analysis is particularly suitable for analysing tall and slender structures subjected to lateral loads, such as skyscrapers?
A. Slope deflection method.
B. Portal method.
C. Finite element method.
D. Matrix structural analysis.
Tail Briz
ENGINEERING
-
Civil Engineering
What is the purpose of a hydrograph in hydrology?
A. To measure groundwater levels.
B. To estimate sediment transport in rivers.
C. To model flood routing in rivers.
D. To analyze precipitation patterns.
Tail Briz
ENGINEERING
-
Mechanical Engineering
Which of the following materials exhibits the highest strength-to-weight ratio at room temperature?
A. Aluminum alloy.
B. Titanium alloy.
C. Stainless steel.
D. Carbon fiber reinforced polymer (CFRP).
Tail Briz
ENGINEERING
-
Mechanical Engineering
In a static equilibrium system, what condition must be satisfied for the sum of all forces acting on a rigid body?
A. The sum of all forces must be zero.
B. The sum of all moments must be zero.
C. The sum of all accelerations must be zero.
D. The sum of all velocities must be zero.
Tail Briz
ENGINEERING
-
Mechanical Engineering
What is the Reynolds number used to determine in fluid flow analysis?
A. Flow velocity.
B. Flow regime.
C. Fluid viscosity.
D. Pressure distribution.
Tail Briz
ENGINEERING
-
Mechanical Engineering
Which mode of heat transfer predominates in a vacuum?
A. Conduction.
B. Convection.
C. Radiation.
D. Advection.
Tail Briz
ENGINEERING
-
Mechanical Engineering
What is the main function of a Pelton wheel turbine in a hydropower plant?
A. To increase water pressure.
B. To convert water pressure into rotational mechanical energy.
C. To regulate water flow rate.
D. To store potential energy of water.
Mushkovic
PHYSICS
-
Physics
When a helium atom loses an electron, it becomes:
A. An alpha particle..
B. Proton.
C. A positive helium ion..
D. A negative helium ion..
Mushkovic
PHYSICS
-
Physics
Beta ray emitted by a radioactive substance is:
A. An electron which was existing outside the nucleus..
B. An electron which was existing inside the nucleus..
C. An electron emitted by the nucleus as a result of the decay of a neutron inside the nucleus..
D. A pulse of electromagnetic wave..
Mushkovic
PHYSICS
-
Physics
An electric charge in uniform motion produces:
A. An electric field..
B. A magnetic field..
C. Both magnetic and electric fields..
D. Neither magnetic nor electric fields..
Mushkovic
PHYSICS
-
Physics
What is emitted by a hot metal filament in a cathode ray tube?
A. X-ray..
B. Proton..
C. Electron..
D. Photon..
Mushkovic
PHYSICS
-
Physics
If the mass of the bob of a pendulum is doubled its time period is:
A. Halved.
B. Doubled.
C. Unchanged.
D. Increases four times..
Mushkovic
PHYSICS
-
Physics
The center of Newton rings is dark due to
A. Polarization.
B. Destructive interference.
C. Constructive interference.
D. Reflection.
Mushkovic
PHYSICS
-
Physics
Which one is the most stable element on the basis of binding energy?
A. Sn..
B. Fe..
C. Ba..
D. Kr..
Mushkovic
PHYSICS
-
Physics
Resistance in RC circuit of time constant 2 seconds is 1000 Ohms. What is the value of C in the circuit?
A. 20 μ farad..
B. 200 μ farad..
C. 2000 μ farad..
D. 2 μ farad..
Mushkovic
PHYSICS
-
Physics
The Lenz’s law refers to induced __________
A. emf..
B. Resistance..
C. Shear..
D. Currents..
Mushkovic
PHYSICS
-
Physics
In which of the following, output is similar to NAND gate if input A=0 and input B=1.
A. Both B and C..
B. XOR..
C. XNOR..
D. NOR..
Mushkovic
PHYSICS
-
Physics
For atomic hydrogen spectrum, which of the following series lies in visible region of electromagnetic spectrum?
A. Lyman series..
B. Paschen series..
C. Balmer series..
D. Bohr series..
Mushkovic
PHYSICS
-
Physics
__________ are the particles that experience strong nuclear force.
A. Neutrons..
B. Neutrinos..
C. Muons..
D. Electrons..
Mushkovic
PHYSICS
-
Physics
The vertical velocity of ball thrown upward __________ with time.
A. Decreases linearly..
B. Remains constant..
C. Doubles..
D. Decreases parabolically..
Mushkovic
PHYSICS
-
Physics
The force required to bend the normally straight path of a particle into a circular path is called __________ force.
A. Traveling..
B. Bending..
C. Centrifugal..
D. Centripetal..
Mushkovic
PHYSICS
-
Physics
A disc at rest without slipping, rolls down a hill of height (3 x 9.8) m. What is its speed in m/sec when it reaches at the bottom?
A. 11.4..
B. 19.6..
C. 22.8..
D. 9.8..
Mushkovic
PHYSICS
-
Physics
Tuning of the radio is the best example of electrical __________
A. Resonance..
B. Resistance..
C. Current..
D. None of these..
Mushkovic
PHYSICS
-
Physics
A standing wave pattern is formed when the length of string is an integral multiple of __________ wavelength.
A. Triple..
B. Half.
C. Full.
D. Double.
Mushkovic
PHYSICS
-
Physics
Which of the following lights travels the fastest in optical fibres?
A. Visible light..
B. Invisible infra-red..
C. Ultra-violet..
D. Ordinary light..
Mushkovic
PHYSICS
-
Physics
The algebraic sum of potential changes in a closed circuit is zero is Kirchhoff’s __________ rule.
A. Third.
B. Second.
C. First.
D. All of these.
Mushkovic
PHYSICS
-
Physics
In LED when an electron combines with a __________ during forward bias conduction, a photon of visible light is emitted.
A. High voltage..
B. Photon..
C. Positron..
D. Hole..
Fani Warraich
CHEMISTRY
-
Chemistry
Which type of bonding is present in NH4Cl?
A. Ionic.
B. Covalent.
C. Coordinate covalent..
D. All of these..
Fani Warraich
CHEMISTRY
-
Chemistry
When CuSO4 is electrolyzed in aqueous solution using copper electrodes, then the substance which deposits at the cathode is:
A. Copper metal..
B. Copper ions..
C. Hydrogen..
D. Oxygen..
Mushkovic
CHEMISTRY
-
Chemistry
Aldehydes can be synthesized by the oxidation of:
A. Primary alcohols..
B. Secondary alcohols..
C. Organic acids..
D. Inorganic acids..
Mushkovic
CHEMISTRY
-
Chemistry
The products of the fermentation of a sugar are ethanol and:
A. Oxygen.
B. Carbon dioxide.
C. Water.
D. Sulfur dioxide.
Muntaha Nasir
ENGINEERING
-
Electrical Engineering
What is the main purpose of a transformer in electrical circuits?
A. Increase power.
B. Decrease current.
C. Change voltage levels.
D. Stabilize frequency.
Muntaha Nasir
ENGINEERING
-
Electrical Engineering
Which theorem states that any linear electrical network with multiple sources can be replaced by an equivalent single voltage source and a series resistor?
A. Norton's Theorem.
B. Thevenin's Theorem.
C. Superposition Theorem.
D. Maximum Power Transfer Theorem.
Muntaha Nasir
ENGINEERING
-
Electrical Engineering
What is the primary function of a Zener diode in electronic circuits?
A. Rectification.
B. Voltage regulation.
C. Signal amplification.
D. Frequency modulation.
Muntaha Nasir
ENGINEERING
-
Electrical Engineering
Which type of motor is known for its high starting torque and variable speed control?
A. Induction motor.
B. Synchronous motor.
C. DC motor.
D. Stepper motor.
Muntaha Nasir
ENGINEERING
-
Electrical Engineering
In a three-phase power system, what is the phase difference between each phase?
A. 60 degrees.
B. 90 degrees.
C. 120 degrees.
D. 180 degrees.
Muntaha Nasir
ENGINEERING
-
Electrical Engineering
Which component in an AC circuit is responsible for causing a phase shift between voltage and current?
A. Resistor.
B. Capacitor.
C. Inductor.
D. Transformer.
Muntaha Nasir
ENGINEERING
-
Electrical Engineering
What is the primary advantage of using an operational amplifier (op-amp) in electronic circuits?
A. High input impedance.
B. High output impedance.
C. Low gain.
D. Low bandwidth.
Muntaha Nasir
ENGINEERING
-
Electrical Engineering
Which method is used to analyze the stability of control systems by examining the locations of poles in the complex plane?
A. Bode plot.
B. Nyquist criterion.
C. Root locus.
D. Transfer function.
Muntaha Nasir
ENGINEERING
-
Electrical Engineering
In digital electronics, what is the purpose of a flip-flop circuit?
A. Analog signal processing.
B. Frequency modulation.
C. Memory storage.
D. Power regulation.
Muntaha Nasir
ENGINEERING
-
Electrical Engineering
What is the main characteristic of a Schottky diode compared to a regular silicon diode?
A. Higher forward voltage drop.
B. Lower reverse recovery time.
C. Higher reverse leakage current.
D. Lower breakdown voltage.
Muntaha Nasir
ENGINEERING
-
Electrical Engineering
Which type of filter is used to pass signals with frequencies within a certain range and attenuate signals outside that range?
A. Low-pass filter.
B. High-pass filter.
C. Band-pass filter.
D. Notch filter.
Muntaha Nasir
ENGINEERING
-
Electrical Engineering
In power systems, what is the purpose of a synchronous condenser?
A. Power generation.
B. Voltage regulation.
C. Frequency conversion.
D. Power factor correction.
Muntaha Nasir
ENGINEERING
-
Electrical Engineering
Which device is used to measure the electric power consumed by a load in a circuit?
A. Voltmeter.
B. Ammeter.
C. Wattmeter.
D. Ohmmeter.
Muntaha Nasir
ENGINEERING
-
Electrical Engineering
What is the main advantage of using a buck converter in power electronics?
A. Increases voltage.
B. Reduces voltage.
C. Increases current.
D. Reduces current.
Muntaha Nasir
ENGINEERING
-
Electrical Engineering
Which principle explains the operation of a thermocouple in temperature measurement?
A. Joule's Law.
B. Seebeck Effect.
C. Faraday's Law.
D. Ohm's Law.
Muntaha Nasir
ENGINEERING
-
Electrical Engineering
In signal processing, what is the primary purpose of a Fourier transform?
A. Amplify signals.
B. Filter signals.
C. Convert time domain to frequency domain.
D. Reduce noise.
Muntaha Nasir
ENGINEERING
-
Electrical Engineering
What is the primary difference between a MOSFET and a BJT?
A. Voltage control vs. current control.
B. Analog vs. digital operation.
C. Higher vs. lower power handling.
D. P-type vs. N-type material.
Muntaha Nasir
ENGINEERING
-
Electrical Engineering
Which component is essential for providing isolation between the primary and secondary windings of a transformer?
A. Core.
B. Insulation.
C. Windings.
D. Terminals.
Muntaha Nasir
ENGINEERING
-
Electrical Engineering
What is the main purpose of using a triac in AC power control circuits?
A. Rectification.
B. Signal amplification.
C. Bidirectional control.
D. Frequency modulation.
Muntaha Nasir
ENGINEERING
-
Electrical Engineering
In control systems, what is the significance of the transfer function?
A. Stability analysis.
B. Frequency response.
C. Time response.
D. System dynamics.
Muntaha Nasir
ENGINEERING
-
Electrical Engineering
Which law describes the magnetic force between two parallel current-carrying conductors?
A. Faraday's Law.
B. Ampere's Law.
C. Coulomb's Law.
D. Biot-Savart Law.
Muntaha Nasir
ENGINEERING
-
Electrical Engineering
What is the primary function of a varistor in electronic circuits?
A. Voltage regulation.
B. Current limiting.
C. Surge protection.
D. Frequency modulation.
Muntaha Nasir
ENGINEERING
-
Electrical Engineering
In communication systems, what is the purpose of modulation?
A. Increase signal power.
B. Reduce noise.
C. Transmit signals over long distances.
D. Filter unwanted signals.
Muntaha Nasir
ENGINEERING
-
Electrical Engineering
Which type of transformer connection is commonly used in power transmission to reduce phase imbalance?
A. Star-star.
B. Delta-delta.
C. Star-delta.
D. Delta-star.
Muntaha Nasir
ENGINEERING
-
Electrical Engineering
What is the primary advantage of using a CMOS technology in integrated circuits?
A. High power consumption.
B. Low noise immunity.
C. High speed.
D. Low power consumption.
Muntaha Nasir
ENGINEERING
-
Electrical Engineering
In electrical machines, what is the purpose of using a commutator in a DC motor?
A. Increase speed.
B. Reduce losses.
C. Convert AC to DC.
D. Reverse current direction.
Muntaha Nasir
ENGINEERING
-
Electrical Engineering
Which method is used to analyze the frequency response of linear time-invariant (LTI) systems?
A. Laplace transform.
B. Z-transform.
C. Bode plot.
D. State-space analysis.
Muntaha Nasir
ENGINEERING
-
Electrical Engineering
What is the primary characteristic of a superconducting material?
A. High resistivity.
B. Zero resistivity.
C. High conductivity.
D. Negative resistivity.
Muntaha Nasir
ENGINEERING
-
Electrical Engineering
In microcontrollers, what is the main function of an ADC (Analog-to-Digital Converter)?
A. Convert digital signals to analog.
B. Convert analog signals to digital.
C. Amplify analog signals.
D. Filter digital signals.
Muntaha Nasir
ENGINEERING
-
Electrical Engineering
Which phenomenon describes the increase in current flow in a conductor due to reduced cross-sectional area at high frequencies?
A. Eddy currents.
B. Skin effect.
C. Hall effect.
D. Doppler effect.
Muntaha Nasir
ENGINEERING
-
Electrical Engineering
What is the main purpose of using a relay in electrical circuits?
A. Voltage amplification.
B. Current limitation.
C. Signal isolation.
D. Frequency modulation.
Muntaha Nasir
ENGINEERING
-
Electrical Engineering
In AC circuits, what is the significance of power factor?
A. Ratio of real power to apparent power.
B. Ratio of apparent power to real power.
C. Ratio of reactive power to real power.
D. Ratio of real power to reactive power.
Muntaha Nasir
ENGINEERING
-
Electrical Engineering
What is the primary difference between a synchronous motor and an induction motor?
A. Speed control.
B. Starting torque.
C. Power factor.
D. Operating speed synchronization with supply frequency.
Muntaha Nasir
ENGINEERING
-
Electrical Engineering
Which type of circuit is used to generate a specific frequency waveform?
A. Amplifier.
B. Oscillator.
C. Filter.
D. Rectifier.
Muntaha Nasir
ENGINEERING
-
Electrical Engineering
In power electronics, what is the main purpose of a rectifier?
A. Convert AC to DC.
B. Convert DC to AC.
C. Increase voltage.
D. Decrease current.
Muntaha Nasir
ENGINEERING
-
Electrical Engineering
What is the primary function of a thyristor in power control circuits?
A. Voltage regulation.
B. Signal amplification.
C. High-speed switching.
D. Controlled rectification.
Muntaha Nasir
ENGINEERING
-
Electrical Engineering
Which method is used to analyze transient response in electrical circuits?
A. Fourier transform.
B. Laplace transform.
C. Z-transform.
D. Bode plot.
Muntaha Nasir
ENGINEERING
-
Electrical Engineering
What is the significance of the breakover voltage in a silicon-controlled rectifier (SCR)?
A. Maximum reverse voltage.
B. Minimum forward voltage.
C. Trigger voltage for conduction.
D. Voltage drop across the SCR.
Muntaha Nasir
ENGINEERING
-
Electrical Engineering
In the context of electromagnetic waves, what is the primary function of a waveguide?
A. Signal amplification.
B. Signal modulation.
C. Signal transmission.
D. Signal reflection.
Muntaha Nasir
ENGINEERING
-
Electrical Engineering
What is the main advantage of using a brushless DC motor over a brushed DC motor?
A. Lower cost.
B. Higher efficiency.
C. Simpler control.
D. Increased noise.
Muntaha Nasir
ENGINEERING
-
Electrical Engineering
In electrical power systems, what is the purpose of using a capacitor bank?
A. Voltage regulation.
B. Current amplification.
C. Power factor correction.
D. Frequency modulation.
Muntaha Nasir
ENGINEERING
-
Electrical Engineering
Which component is essential for converting solar energy into electrical energy in photovoltaic systems?
A. Inverter.
B. Battery.
C. Solar panel.
D. Transformer.
Muntaha Nasir
ENGINEERING
-
Electrical Engineering
In signal processing, what is the purpose of a digital filter?
A. Amplify signals.
B. Reduce noise.
C. Convert signals to analog.
D. Increase signal power.
Muntaha Nasir
ENGINEERING
-
Electrical Engineering
Which type of memory is used for storing firmware in embedded systems?
A. RAM.
B. ROM.
C. Flash memory.
D. Cache memory.
Tamoban Javnoi
COMPUTER SCIENCE & IT
-
Database Management Systems
A child entity in ER diagrams is:
A. The entity on the one side of a one to many relationship.
B. Entity that inherits attributes and relations from another entity.
C. A row of a table.
D. None of these.
Tamoban Javnoi
COMPUTER SCIENCE & IT
-
Database Management Systems
Boyce Codd Normal Form:
A. Addresses certain type of multivalued dependencies.
B. Makes sure that data in each column is atomic.
C. Makes sure that every determinant is a candidate key.
D. None of these.
Tamoban Javnoi
COMPUTER SCIENCE & IT
-
Database Management Systems
DDL is used to:
A. Represent the database structure.
B. Define and manage the structure of a database.
C. Deals with manipulation of data stored in the database.
D. None of these.
Harlequin Misha
COMPUTER SCIENCE & IT
-
Computer Networks & Security
Network traffic estimation is:
A. Impossible.
B. Easily computable via linear equations.
C. Can only be solved using AI techniques.
D. None of these.
Harlequin Misha
COMPUTER SCIENCE & IT
-
Computer Networks & Security
Which of the following is the most efficient encoding to send data via networks? Also consider the reasoning in your answer.
A. 3-Excess codes because it is not weighted.
B. Binary, because its representation can be done simply with zeros and ones.
C. Decimal, because a decimal requires lesser space to represent the same number.
D. None of these.
Harlequin Misha
COMPUTER SCIENCE & IT
-
Operating Systems
A computer is in System mode when:
A. CPU is executing a program which is part of the operating system.
B. The process execution is halted to listen to device inputs.
C. The system is switching between processes.
D. None of these.
Harlequin Misha
COMPUTER SCIENCE & IT
-
Operating Systems
Which is better, Time slicing or time sharing?
A. Time slicing is better because it deals with process allocation at the CPU level.
B. Time sharing is better because it gives multiple users the illusion of each having his own processor.
C. The comparison is not possible because one is part of the other.
D. None of these.
Harlequin Misha
COMPUTER SCIENCE & IT
-
Operating Systems
Which of the following are/is true?
A. In the era of platform independence all Operating systems can be made without considering low level details of machines.
B. Operating systems can be made without using assembly languages.
C. Operating systems aren?t needed because everything can run on the internet.
D. None of these.
Contributor(7)
Fani Warraich
Shalisha Ladawn
Tamoban Javnoi
Tail Briz
Mushkovic
Harlequin Misha
Muntaha Nasir