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Q1. | The number of select lines in `ALU 1C 74181` is |

A. | 2 [Wrong Answer] |

B. | 4 [Correct Answer] |

C. | 8 [Wrong Answer] |

D. | 16 [Wrong Answer] |

View Answer
Explanation:-
Answer : BDiscuss it below :!! OOPS Login [Click here] is required to post your answer/resultHelp other students, write article, leave your comments |

**Also Read Similar Questions Below :**

⇒ The

*z*transform of sequence

*x*[

*n*] = {2, 4, 3, 2}

2

*z*

^{-1}+ 4

*z*

^{-2}+ 3 + 2

*z*

^{+1}

2

*z*

^{-1}+ 3 + 4

*z*

^{+1}+ + 2

*z*

^{+2}

2

*z*

^{+1}+ 3

*z*

^{-1}+ 4

*z*

^{-2}+ 2

*z*

^{-3}

3 + 2

*z*

^{-1}+ 4

*z*

^{-2}+ 2

*z*

^{-1}

⇒ Calculate the wave impedance for TM mode in rectangular waveguide for dominant mode at 3 GHz having

(120p) Ω

377 Ω

226 Ω

629 Ω

⇒ The moving iron instruments are generally repulsion type.

TRUE

FALSE

⇒ The radiation resistance of a rod tubing antenna is

55 Ω to 60 Ω

60 to 100 Ω

0 to 377 Ω

60 to 200 Ω

⇒ If the network in figure (1), (2) are equivalent at terminals A - B, then voltage V and resistance R

100V and 12 Ω

60V and 12 Ω

100V and 30 Ω

60V and 30 Ω

⇒ In an R-L-C series circuit, R = 2/L/C . If R is doubled

the response will become underdamped

the response will become overdamped

the response will be critically damped

the response may be under damped or overdamped

⇒ An FM transmitter delivers 80W to a load of 30 W when no modulation is present. The carrier is now frequency modulated by a single sinusoidal signal and the peak frequency deviation is so adjusted to make the amplitude of the second sideband is zero in the given out

84 W

97.44 W

100 W

77.44 W

⇒ The number of variables in a function is odd and the number of minterms with even number of 0's are same as the number of minterms with odd number at 1 's, the expression formed can be represented in __________ as well as __________ form.

exclusive - OR, NOR

equivalence, exclusive - OR

AND, coincidence

OR, exclusive - OR

⇒ According to maximum power transfer theorem, the maximum power is absorbed by one network from another network when

the impedance of one of the networks is half that of the other

the impedance of one is the complex conjugate of the other

the impedance of one is equal to that of the other

none of the above

⇒ A polyphase wattmeter basically consists of two wattmeters. The moving system of two wattmeters

are common

are separate

are generally common

are generally separate

⇒ A parallel RLC network has R = 4Ω, L = 4H, C = 0.25F. Then at resonance Q =

1

10

20

40

⇒ An end fire array consisting of several half-wave lengths of directive gain 40, then Find width of major lobe for broadside

6°

5.73

51.25

0°

⇒ A varactor diode is used for

tuning

rectification

amplification

rectification and amplification

⇒ If we manage to __________ our natural resources, we would leave a better planet for our children.

uphold

restrain

Cherish

conserve

⇒ The value of a in a transistor

is always equal to 1

is less than 1 but more than 0.9

is about 0.4

is about 0.1

⇒ In computers the size of secondary memory is usually much larger than that of primary memory.

TRUE

FALSE

⇒ The general purpose register code for accumulator in 8085 is

111

0

1

1111

⇒ The data of speed of train V and resistance to motion

6.7 + 0.0092 V

^{2}

3 + 0.001 V

^{2}

3.2 + 0.0012 V

^{2}

5.2 + 0.006 V

^{2 }

⇒

Match the following:

List I | List II | ||
---|---|---|---|

A. | DMA controller | 1. | Interface between computer and video display adapter |

B. | CKT controller | 2. | Used to read data directly from disk into directly memory |

C. | Interrupt controller | 3. | Supervises the operation of control signal |

A-1, B-2, C-3

A-2, B-3, C-1

A-3, B-2, C-1

A-2, B-1, C-3

⇒ Which one of the following is valid integer variable in FORTRAN 77?

`BRG`

`IBRG`

`VS`

`PEC`

⇒ The total bandwidth needed for an AM signal at 55.25 MHz with 0.5 MHz video modulation is

0.25 MHz

0.5 MHz

1 MHz

10 MHz

⇒

- P(
*s*) =*s*^{4}+*s*^{3}+ 2*s*^{2}+ 4*s*+ 3 - Q(
*s*) =*s*^{4}+ 2*s*^{3}+*s*

*s*) and Q(

*s*) polynomials?

Both P(

*s*) and Q(

*s*) are Hurwitz

Both P(

*s*) and Q(

*s*) are non-Hurwitz

P(

*s*) is Hurwitz but Q(

*s*) is non-Hurwitz

P(

*s*) is non-Hurwitz but Q(

*s*) is Hurwitz

⇒ A dynamic RAM cell which holds 5 V has to be refreshed every 20 ms so that the stored voltage does not fall by more than 0.5 V. If the cell has a constant discharge current of 0.1 pA, the storage capacitance of cell is

4 x 10

^{-6}F

4 x 10

^{-9}F

4 x 10

^{-12}F

4 x 10

^{-15}F

⇒ If

*e*is the charge of an electron, R is the radius of its orbit and ω is the angular velocity of electron, the magnetic dipole moment μ

_{m}of the orbit is |μ

_{m}| =

*e*ωR

^{2}.

TRUE

FALSE

⇒ IC (instruction cycle), FC (fetch cycle) and EC (executive cycle) are related as

IC = FC - EC

IC = FC + EC

IC = FC + 2EC

EC = IC + EC

⇒ The minority carrier life time and diffusion constant in a semiconducting material are 100 μs and 100 cm

^{2}/s respectively. The diffusion length of carriers is

0.1 cm

0.01 cm

0.0141 cm

1 cm

⇒ Which of the following statements is incorrect regarding Balun transformer?

It changes impedance like current transformer

It changes balanced to unbalanced line

It is used to couple a co-axial line to a parallel line wire

Any of the above

⇒ The system in the given figur

type 0 system

type 1 system

type 2 system

type 3 system

⇒ Consider the following program for 8085

Subtracts decimal number 5 from contents of memory

Subtracts decimal number 15 from contents of memory

Adds decimal number 15 to contents of memory

⇒ The integral of a unit step function is

an impulse function

a ramp function

a ramp function of slope 1

none of these