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MCQOPTIONS
This section includes 9294 Mcqs, each offering curated multiple-choice questions to sharpen your Engineering knowledge and support exam preparation. Choose a topic below to get started.
| 601. |
Match the following: List I (Bits operator in C) List II (Meaning) A. 1.Bitwise XORB.&2.Bitwise ANDC.|3.Bitwise ORD.U4.One's complement |
| A. | A-1, B-2, C-3, D-4 |
| B. | A-4, B-3, C-2, D-1 |
| C. | A-2, B-3, C-1, D-4 |
| D. | A-4, B-2, C-3, D-1 |
| Answer» E. | |
| 602. |
Match the following: List I List II A.Line commutation1.B.Resonant commutation2.C.Complementary commutation3.D.Self commutation4. |
| A. | A-1, B-4, C-2, D-3 |
| B. | A-1, B-2, C-3, D-4 |
| C. | A-4, B-1, C-3, D-2 |
| D. | A-2, B-3, C-4, D-1 |
| Answer» D. A-2, B-3, C-4, D-1 | |
| 603. |
Match the following: List I (Bit Pattern) List II (Register pairs) A.001.SPB.012.B-CC.103.D-ED.114.H-L |
| A. | A-1, B-2, C-3, D-4 |
| B. | A-2, B-3, C-4, D-1 |
| C. | A-2, B-3, C-1, D-4 |
| D. | A-4, B-3, C-2, D-1 |
| Answer» C. A-2, B-3, C-1, D-4 | |
| 604. |
Match the following: List I List II A.1.Band reject (notch) filterB.2.Band pass filterC.3.High pass filterD.4.Low pass filters |
| A. | A-3, B-4, C-2, D-1 |
| B. | A-3, B-4, C-1, D-2 |
| C. | A-4, B-3, C-1, D-2 |
| D. | A-4, B-3, C-2, D-1 |
| Answer» D. A-4, B-3, C-2, D-1 | |
| 605. |
Match the following: List I (Functional components) List II (Device) A.Error detector1.Three phase FHP Induction motorB.Servo motor2.Synchro transmitter and control transformerC.Amplifier3.Tacho generatorD.Feed back4.Armature controlled FHP dc motor 5.Amplidyne |
| A. | A-2, B-4, C-1, D-5 |
| B. | A-4, B-2, C-5, D-3 |
| C. | A-2, B-4, C-5, D-3 |
| D. | A-1, B-2, C-3, D-5 |
| Answer» D. A-1, B-2, C-3, D-5 | |
| 606. |
Match the following: List I (Transmission system) List II (Mode) A.Rectangular waveguide1.TE/TMB.Circular waveguide2.TEMC.Coaxial line3.Quasi TEMD.Microstrip line |
| A. | A-1, B-1, C-2, D-3 |
| B. | A-1, B-2, C-2, D-3 |
| C. | A-2, B-2, C-3, D-3 |
| D. | A-3, B-1, C-2, D-2 |
| Answer» E. | |
| 607. |
Match the following: List I List IIA.Resistance1.M-1L-2T4I2B.Inductance2.ML2T-2I-2C.Capacitance3.ML2T-3I2 |
| A. | A-1, B-2, C-3 |
| B. | A-2, B-1, C-3 |
| C. | A-2, B-3, C-1 |
| D. | A-3, B-2, C-1 |
| Answer» E. | |
| 608. |
Match the following: List I List II A.CTFS1.PeriodicB.DTFS2.Non-periodicC.CTFT D.DTFT |
| A. | A-2, B-1, C-2, D-2 |
| B. | A-2, B-1, C-2, D-1 |
| C. | A-1, B-2, C-2, D-2 |
| D. | A-1, B-2, C-2, D-1 |
| Answer» C. A-1, B-2, C-2, D-2 | |
| 609. |
Match the following: List I (Diode Rectifier) List II (Expression for output voltage) A.Bridge1.B.Half wave2.C.Full wave using centre tapped transformer3. |
| A. | A-1, B-2, C-3 |
| B. | A-3, B-2, C-1 |
| C. | A-1, B-3, C-2 |
| D. | A-3, B-1, C-2 |
| Answer» D. A-3, B-1, C-2 | |
| 610. |
Match the following: List I (Controller) List II (Controller output for unit step input) A.Proportional derivative1.B.Proportional plus derivative plus integral2.C.Proportional plus3. |
| A. | A-1, B-2, C-3 |
| B. | A-1, B-3, C-2 |
| C. | A-3, B-2, C-1 |
| D. | A-2, B-3, C-1 |
| Answer» C. A-3, B-2, C-1 | |
| 611. |
Match the following: List I (Characteristics) List II (Device) A.Voltage controlled device1.BJTB.Current controlled device2.UJTC.Conductivity modulation device3.FETD.Negative conductance device4.Impatt diode |
| A. | A-2, B-3, C-1, D-1 |
| B. | A-2, B-3, C-4, D-1 |
| C. | A-3, B-1, C-2, D-4 |
| D. | A-3, B-1, C-4, D-2 |
| Answer» E. | |
| 612. |
Match the following: List I List II A.Direct addressing1.MOV A, MB.Register addressing2.MOV C, AC.Register indirect addressing3.LDA 7D.Immediate addressing4.STA FFC |
| A. | A-1, B-2, C-3, D-4 |
| B. | A-4, B-2, C-1, D-3 |
| C. | A-2, B-3, C-4, D-1 |
| D. | A-3, B-2, C-1, D-4 |
| Answer» C. A-2, B-3, C-4, D-1 | |
| 613. |
List I List II (Value of tan-1 ) A.1.90 B.2.0 C.3.50 |
| A. | A-1, B-2, C-3 |
| B. | A-2, B-1, C-3 |
| C. | A-3, B-1, C-2 |
| D. | A-3, B-2, C-1 |
| Answer» C. A-3, B-1, C-2 | |
| 614. |
Match the following: List I List II A.1.Non-minimum phaseB.2.Minimum phaseC.3.All pass system |
| A. | A-1, B-3, C-2 |
| B. | A-3, B-1, C-2 |
| C. | A-3, B-2, C-1 |
| D. | A-2, B-1, C-3 |
| Answer» C. A-3, B-2, C-1 | |
| 615. |
Match the following: List I List II A.On-off1.steam kettle with different settingsB.Proportional2.ElevatorC.Cascade3.Robot-positioningD.Digital4.Domestic Refrigerator |
| A. | A-4, B-2, C-3, D-1 |
| B. | A-2, B-4, C-1, D-3 |
| C. | A-3, B-1, C-4, D-2 |
| D. | A-4, B-2, C-1, D-3 |
| Answer» E. | |
| 616. |
If r is resistivity, l is length of wire, a is area of cross-section, is angular frequency, F is form factor, n is number of turns, d is coil diameter and r is resistance of a coil. List I List II A.Value of inductance1.B.Power factor2.C.Q factor3.D.Value of resistance4.Fn2d |
| A. | A-1, B-2, C-3, D-4 |
| B. | A-4, B-3, C-2, D-1 |
| C. | A-4, B-2, C-3, D-1 |
| D. | A-1, B-3, C-2, D-4 |
| Answer» C. A-4, B-2, C-3, D-1 | |
| 617. |
Match the following: List I (Signal) List II (Value)A.AM1.0 0.5B.DSB - SC2.1C.SSB3.2D.FM ( = 2)4.16E.FM ( = 5)5.8 |
| A. | A-1, B-3, C-2, D-5, E-4 |
| B. | A-3, B-3, C-1, D-5, E-4 |
| C. | A-2, B-1, C-4, D-5, E-5 |
| D. | A-4, B-2, C-5, D-3, E-1 |
| Answer» C. A-2, B-1, C-4, D-5, E-5 | |
| 618. |
Match the following: List I (Theorems) List II (Property of Network) A.Reciprocity1.Impedance matchingB.Tellegen's2.BilateralC.Superposition3. Vjk Ijk = 0D.Maximum power transfer4.Linear 5.Non linear |
| A. | A-1, B-2, C-3, D-4 |
| B. | A-1, B-2, C-3, D-5 |
| C. | A-2, B-3, C-4, D-1 |
| D. | A-2, B-3, C-5, D-1 |
| Answer» D. A-2, B-3, C-5, D-1 | |
| 619. |
Match the following: List I List II A.1.Slot lineB.2.Coplanar lineC.3.Microstrip |
| A. | A-1, B-2, C-3 |
| B. | A-3, B-2, C-1 |
| C. | A-2, B-3, C-1 |
| D. | A-3, B-1, C-2 |
| Answer» E. | |
| 620. |
Match the following: List I List II A.Tangent galvanometer1.Can be used for dc onlyB.Moving coil instrument2.Integrating instrumentC.Household energy meter3.Used for voltage measurement onlyD.Electrostatic instrument4.Absolute instrument |
| A. | A-1, B-2, C-3, D-4 |
| B. | A-4, B-1, C-2, D-3 |
| C. | A-1, B-2, C-4, D-3 |
| D. | A-4, B-1, C-3, D-2 |
| Answer» C. A-1, B-2, C-4, D-3 | |
| 621. |
As the temperature increases the mobility of electrons __________ . |
| A. | decreases because the number of carries increases with increased collisions |
| B. | increases because the number of carries decreases with decreased collisions |
| C. | remains same |
| D. | none of the above |
| Answer» B. increases because the number of carries decreases with decreased collisions | |
| 622. |
Match the following: List I List II A.RC coupled amplifier1.Very low driftB.Tuned amplifier2.Flat frequency response from zero frequency onwardsC.Chopper stabilized amplifier3.Flat frequency response with upper and lower cut off frequencyD.DC amplifier4.Peak in gain frequency response |
| A. | A-4, B-3, C-1, D-2 |
| B. | A-3, B-4, C-2, D-1 |
| C. | A-3, B-4, C-1, D-2 |
| D. | A-4, B-3, C-2, D-1 |
| Answer» D. A-4, B-3, C-2, D-1 | |
| 623. |
Match the following: Microwave Measuring Instruments Measurements EffectedA.Bolometer1.Reflection coefficientsB.VSWR meter2.Half power beam widthsC.Cavity wave meter3.Microwave powerD.Pattern recorder4.Microwave frequency |
| A. | A-2, B-1, C-4, D-3 |
| B. | A-3, B-1, C-4, D-2 |
| C. | A-2, B-4, C-1, D-3 |
| D. | A-3, B-4, C-1, D-2 |
| Answer» C. A-2, B-4, C-1, D-3 | |
| 624. |
Consider the following ON GO TO statement in Basic 35 ON A GO TO 15, 25, 35 If the value of A is 2.6, the control will transfer to |
| A. | line 15 |
| B. | line 25 |
| C. | line 35 |
| D. | any of the lines 15 or 25, 35 |
| Answer» C. line 35 | |
| 625. |
Which of the following has unique representation of 0? |
| A. | sign magnitude |
| B. | 1's complement |
| C. | 2's complement |
| D. | both (b) and (c) |
| Answer» D. both (b) and (c) | |
| 626. |
Which DOS command improves memory usage? |
| A. | MEM MAKER |
| B. | MOVE |
| C. | MEM IM |
| D. | None on the above |
| Answer» B. MOVE | |
| 627. |
A PC can be upgraded to a multimedia PC by adding CD ROM drive, sound card etc. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 628. |
The chip 8254 is a 40 pin programmable interval timer. The number of its independent 16 bit counters is |
| A. | 2 |
| B. | 3 |
| C. | 4 |
| D. | 5 |
| Answer» E. | |
| 629. |
In direct addressing mode of 8085 |
| A. | All instructions are 3 bytes long |
| B. | All instructions are 3 bytes long except IN instruction which is 2 bytes long |
| C. | All instructions are 3 bytes long except IN and OUT instructions which are 2 bytes long |
| D. | All instructions are 2 bytes long |
| Answer» D. All instructions are 2 bytes long | |
| 630. |
Which of the following is not an assembler directive in 8085? |
| A. | D S |
| B. | D B |
| C. | D Q |
| D. | E Q U |
| Answer» D. E Q U | |
| 631. |
To realize the full power of 8086 the pin of 8086 connected to ground is |
| A. | DEN |
| B. | ALE |
| C. | INTR |
| D. | MN / MX |
| Answer» E. | |
| 632. |
Consider the following program for 8085 MVIA, 00HLXIH, OEAOFG V LDAZ ADI 0005H What does this program do? |
| A. | Adds decimal number 5 to contents of memory |
| B. | Subtracts decimal number 5 from contents of memory |
| C. | Subtracts decimal number 15 from contents of memory |
| D. | Adds decimal number 15 to contents of memory |
| Answer» B. Subtracts decimal number 5 from contents of memory | |
| 633. |
The total number of pins in 8085 are |
| A. | 20 |
| B. | 30 |
| C. | 40 |
| D. | 50 |
| Answer» D. 50 | |
| 634. |
Which of the following statements are executable in FORTRAN 77? |
| A. | Arithmetic IF |
| B. | Assign |
| C. | Call |
| D. | All of the above |
| Answer» C. Call | |
| 635. |
In static RAM 6264 the number of address inputs are |
| A. | 10 |
| B. | 12 |
| C. | 13 |
| D. | 15 |
| Answer» D. 15 | |
| 636. |
The function to Calculate the maximum value in the specified field of a database is |
| A. | DM |
| B. | DMAX |
| C. | MAX |
| D. | DBMAX |
| Answer» C. MAX | |
| 637. |
IC 7485 cannot be cascaded. |
| A. | True |
| B. | False |
| Answer» C. | |
| 638. |
An I/O processor controls the flow of information between |
| A. | cache memory and I/O devices |
| B. | main memory and I/O devices |
| C. | two I/O devices |
| D. | cache and main memory |
| Answer» C. two I/O devices | |
| 639. |
MS Access is a DBMS software. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 640. |
When .9432 E - 4 is subtracted from .5452 E - 3 in normalized floating point mode |
| A. | none of the numbers is changed |
| B. | .9432 E - 4 is changed to .09432 E - 3 and .5452 E - 3 is not changed |
| C. | .5452 E - 3 is changed to 5.452 E - 4 but .9432 E - 4 is not changed |
| D. | both Ihe numbers are changed and their exponents are, made equal to -5 |
| Answer» C. .5452 E - 3 is changed to 5.452 E - 4 but .9432 E - 4 is not changed | |
| 641. |
DS directive in 8085 |
| A. | forces the assembler to reserve one byte of memory |
| B. | forces the assembler to reserve a specified number of bytes in the memory |
| C. | forces the assembler to reserve a specified number of consecutive bytes in the memory |
| D. | none of the above |
| Answer» D. none of the above | |
| 642. |
If CS = A15 A14 A13 is used as chip select logic of a 4 K RAM in 8085 system, its memory range is |
| A. | 3000 H - 3 FFF H |
| B. | 7000 H - 7 FFFH |
| C. | 5000 H - 5 FFF H and 6000 H - 6 FFF H |
| D. | 6000 H - 6 FFF H and 7000 H - 7 FFF H |
| Answer» E. | |
| 643. |
Consider the following part of a C program float a, b b = (a > 4 ? 2 : 9);Assuming that a has values of 3 and 6, the values stored respectively will be |
| A. | 2 and 9 |
| B. | 2.0 and 9.0 |
| C. | 2.0 and 2.0 |
| D. | 9.0 and 2.0 |
| Answer» E. | |
| 644. |
Consider the following operation in a computerMultiplication of scalarIversion of matrixPrinting a line of 120 characters on a printer Which of the above is a subroutine? |
| A. | 1 and 2 only |
| B. | 1 and 3 only |
| C. | 1, 2 and 3 |
| D. | 2 only |
| Answer» D. 2 only | |
| 645. |
The addressing mode depicted in the given figure is |
| A. | direct |
| B. | register |
| C. | register indirect |
| D. | implicit |
| Answer» B. register | |
| 646. |
The number of interrupt lines in 8085 is |
| A. | 2 |
| B. | 3 |
| C. | 4 |
| D. | 5 |
| Answer» E. | |
| 647. |
If KMT = 100, LITRES = 5.0, PCOST = 28.0 and OPCOST = 70.0 what will be the result of the following FORTRAN 77 program? INTEGER KMTREAL LITRES, PCOST, OPCOST, PKCOST READ *, KMT, LITRES, PCOST, OPCOST, PKCOST KMPL = KMT/LITRES PKCOST = (PCOST * LITRES + OPCOST)/ KMT |
| A. | 2 |
| B. | 2.10 |
| C. | 21 |
| D. | 21.0 |
| Answer» C. 21 | |
| 648. |
A real number consists of |
| A. | integer part |
| B. | integer part and fraction part |
| C. | integer part, fraction part along with positive or negative sign |
| D. | none of the above |
| Answer» D. none of the above | |
| 649. |
In FORTRAN 77 the correct way to write mathematical expression is be |
| A. | A / (B * C) - D ** 2 |
| B. | A / B - C - D ** 2 |
| C. | A / BC - D ** 2 |
| D. | none of the above |
| Answer» B. A / B - C - D ** 2 | |
| 650. |
Assertion (A): Negative values of incremental operator in DO loop are allowed in Fortran 77 but not in earlier versions of Fortran.Reason (R): Fortran 77 has better array facilities than earlier versions of Fortran. |
| A. | Both A and R are correct and R is correct explanation of A |
| B. | Both A and R are correct but R is not correct explanation of A |
| C. | A is correct R is wrong |
| D. | A is wrong R is correct |
| Answer» C. A is correct R is wrong | |