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Q1. | An 8 bit wide 4 word sequential memory has |

A. | Eight 4 bit shift registers [Correct Answer] |

B. | Eight 8 bit shift registers [Wrong Answer] |

C. | Four 8 bit shift registers [Wrong Answer] |

D. | Foui 4 bit shift registers [Wrong Answer] |

View Answer
Explanation:-
Answer : ADiscuss 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 :**

⇒ Square root of 4 is

(16)

_{16}

(2)

_{2}

(8)

_{16}

(5)

_{16}

⇒ Which of the following counters can be used to divide the clock frequency of a microprocessor by 5?

3 bit counter

5 bit counter

mod 3 counter

mod 5 counter

⇒ In the circuit of figure, the current through battery E

_{34 A charging4 A discharging4 A charging or discharging depending on value of E34 A charging or discharging depending on values of E1, E2, E3}

⇒ Purpose of antenna is

to transmit and receive energy

to convert EM into electrical

to convert electrical into EM

all of the above

⇒ The hexadecimal number 5 F is equal to binary number

1010011

1011001

1010101

1011111

⇒ The equivalent of the block diagram in figure is give

Figure (a)

Figure (b)

Figure (c)

Figure (d)

⇒ Nyquist stability criterion is based on a theorem from the theory of complex variables.

TRUE

FALSE

⇒ The potential of suppressor grid (with respect to cathode) is usually

zero

negative

positive

zero or positive

⇒ Figure shows characteristics curves for bipolar transistor. These curves

output characteristics of

*n*-

*p*-

*n*transistor (common base)

output characteristics of

*p*-

*n*-

*p*transistor (common base)

output characteristics of

*n*-

*p*-

*n*transistor (common emitter)

output characteristics of

*p*-

*n*-

*p*transistor (common emitter)

⇒ A lossless transmission line is 50 cm long and operates at a frequency of 500 MHz. Inductance and capacitances present in a line are 0.5 μH/m and 200 pF/m. Phase constant and phase velocity are respectively.

5p, 2p x 10

^{8}m/sec

5p, 10

^{8}m/sec

31.4, 10

^{8}m/sec

31.4, 2p x 10

^{8}m/sec

⇒ An 8-bit microprocessor has 16 bit address bus A

_{0}- A

_{15}. The processor addresses a 1-K byte memory chip as shown. The address range for the chi

(F00F)

_{H}TO (F40E)

_{H}

(F000)

_{H}TO (F3FF)

_{H}

(F100)

_{H}TO (F4FF)

_{H}

(F700)

_{H}TO (FAFF)

_{H}

⇒ A low-pass filter frequency responce H (

*j*ω) = A (ω)

*e*

^{jΦ}(ω) does not produce any phase distortion, if

A(ω) = Cω

^{2}, Φ (ω) =

*k*ω

^{3}

A(ω) = Cω

^{2}, Φ (ω) =

*k*ω

A(ω) = Cω

^{2}, Φ (ω) =

*k*ω

^{2}

A(ω) = C, Φ (ω) =

*k*ω

^{-1}

⇒ The magnetic moment in units of Bohr magneton of a ferrous ion in any ferrite is

zero

2

4

6

⇒ In a good voltage amplifier, its input impedance

must be high compared to the resistance of the source

must be low compared to the resistance of the source

must be equal to the resistance of the source

must be half the resistance of the source

⇒ The number of bits in ASCII is

12

10

9

7

⇒ Schrodinger wave equation is a

linear equation

differential equation

partial differential equation

none of the above

⇒ A carrier is phase modulated (PM) with frequency deviation of 10 kHz by a single tone frequency of 1 kHz. If the single tone frequency is increased to 2 kHz, assuming that phase deviation remains unchanged, the bandwidth of the PM signal is

21 kHz

22 kHz

42 kHz

44 kHz

⇒ A λ/4 long high frequency transmission line is terminated into one impedance Z

_{R}. If Z

_{0}be the characteristic impedance of the line, then input impedance Z

_{in}is

Z

_{o}Z

_{R}

Z

^{2}

_{R}/Z

_{o}

Z

^{2}

_{0}/Z

_{R}

Infinity

⇒ If

*x*

_{1}(

*t*) = 2 sin p

*t*+ cos 4 p

*t*and

*x*

_{2}(

*t*) = sin 5 p

*t*+ 3 sin 13 p

*t*then

*x*

_{1},

*x*

_{2}both periodic

*x*

_{1}

*x*

_{2}both not periodic

*x*

_{1}periodic,

*x*

_{2}not periodic

*x*

_{1}is not periodic ; but

*x*

_{2}is periodic

⇒ A ring counter with 5 flip-flops will have __________ states.

5

10

32

Infinite

⇒ In C the range of real constants expressed in exponential form is

-2.3

*e*37 to + 2.3

*e*37

-3.4

*e*38 to + 3.4

*e*38

-3.4

*e*37 to + 3.4

*e*37

-2.3

*e*38 to + 2.3

*e*38

⇒ Consider the Schmitt trigger circuit shown below. A triangular wave which goes from - 12 V to 12 V is applied to the inverting input of the op-amp. Assume that the output of the op-amp moves from +15 V to -15 V. The voltage at the non-inverting switches bet

-12 V and +12 V

-7.5 V and +7.5 V

-5 V and +5 V

0 V and 5 V

⇒ In an homogeneous dielectric subjected to an electric field E, the dipole moment per unit volume is ∈

_{0}(∈

_{r}- 1) E.

TRUE

FALSE

⇒

**Assertion (A):** A JFET behaves as a resistor when V_{GS} < V_{P}.

**Reason (R):** When V_{GS} < V_{P}, the drain current in a JFET is almost constant.

Both A and R are true and R is correct explanation of A

Both A and R are true but R is not a correct explanation of A

A is true but R is false

A is false but R is true

⇒ The

*h*parameter equivalent to ac resistance

*r*

_{e}is

*h*

_{ib}

*h*

_{fe}

*h*

_{ob}

*h*

_{rb}

⇒ Which of these are 16 bit microprocessors?

80286

MC68000

Z8000

All

⇒

**Assertion (A):** When a square periodic wave is applied to an RC circuit, the voltage across capacitor is observed to be a triangular periodic wave.

**Reason (R):** The RC circuit works as integrator and its time constant is much larger than time period of input wave.

Both A and R are true and R is correct explanation of A

Both A and R are true and R is not the correct explanation of A

A is true but R is false

A is false but R is true

⇒ Consider the CMOS circuit shown, where the gate voltage V

_{G}of the n-MOSEFT is increased from zero, while the gate voltage of the p-MOSFET is kept constant at 3 V. Assume that, for both transistor, the magnitude of the threshold voltage is 1 V and the product of the transconductor parameter and the (W/L) ratio, i.e. the quality μC

_{0x}(W/L), is 1mA. V

^{-2Both the MOSFET are in saturation regionBoth the MOSFET are in triode regionn-MOSFET is in triode and p-MOSFET is in saturation regionn-MOSFET is in saturation and p-MOSFET is in triode region}

⇒ Symmetrical square wave of time period 100 μs can be obtained from square wave of time period 10 μs by using

divide by 5 circuit

divide by 2 circuit

divide by 5 circuit followed by divide by 2 circuit

BCD counter

⇒

**Assertion (A):** Microprocesspr 8085 has six 8 bit registers B, C, D, E, H L.

**Reason (R):** B - C, D - E, H - L may be combined to form register pairs to hold 16 bits data.

Both A and R are correct and R is correct explanation of A

Both A and R are correct but R is not correct explanation of A

A is correct R is wrong

A is wrong R is correct