Question is ⇒ Words having 8 bits are to be stored into computer memory. The number of lines required for writing into memory are, Options are ⇒ (A) 1, (B) 2, (C) 4, (D) 8, (E) , Leave your comments or Download question paper.

Question is ⇒ Words having 8 bits are to be stored into computer memory. The number of lines required for writing into memory are, Options are ⇒ (A) 1, (B) 2, (C) 4, (D) 8, (E) , Leave your comments or Download question paper. Previous question Next question


Q1.	Words having 8 bits are to be stored into computer memory. The number of lines required for writing into memory are
A.	1 [Wrong Answer]
B.	2 [Wrong Answer]
C.	4 [Wrong Answer]
D.	8 [Correct Answer]
View Answer 1 -1 Explanation:- Answer : D Discuss it below : !! OOPS Login [Click here] is required to post your answer/result Help other students, write article, leave your comments

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⇒

Assertion (A): The closeness of G(jω) locus to (- 1 + j0) point can be used as a measured of margin of stability.

Reason (R): When the G(jω) locus comes close to encircling (- 1 + j0) point the system becomes oscillatory.

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 but R is wrong
R is correct but A is wrong

⇒ In a square law modulator, the carrier frequency should be __________ times than the highest modulating frequency.
1
2
4
3

⇒ Binary multiplication 1 x 0 =
1
0
10
11

⇒ In a CE amplifier the ac signal is increased. Which of the following will not change?
Ac base voltage
Ac collector voltage
Ac emitter voltage
Ac collector voltage and ac emitter voltage

⇒ Magnetic flux density has the dimensions
MI^-1T^-2
M^-1I^-2T^-2
ML^-3T^-2
MI^-1T^-3

⇒ A meter having 0-1000 μA range and 1000 Ω resistance is required to be changed to 0-100 mA meter. The value of shunt resistance is about
1 Ω
10 Ω
99 Ω
100 Ω

⇒ Which one of the following is D/A conversion technique?
Successive approximation
Weighted resistor
Dual slope
Single slope

⇒

Assertion (A): In an automobile the amount of fuel admitted to the engine is adjusted as per the difference between desired and actual speed.

Reason (R): The control signal is the amount of fuel to be admitted to the engine.

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 but R is wrong
R is correct but A is wrong

⇒ For 2 port reciprocal network, o.c. output voltage divided by input current is equal to
B
z₁₂
1/y₁₂
h₁₂

⇒ The units of the spectrum obtained be Fourier transforming the covariance function of a stationery Stochastic Process is
Power per Hz
energy per Hz
Power per sec
Energy per second

⇒ A 2 bit binary multiplier can be implemented using
2 inputs ANDs only
2 inputs XORs and 4 input AND gates only
Two 2 inputs NORs and one XNOR gate
XOR gates and shift registers

⇒ Two current sources each of rms value 10 A have frequencies 40 Hz and 50 Hz respectively. They are connected in series, the expression for resultant wave is
i = 10 sin 40 t + 10 sin 50 t
i = 14.14 sin 40 t + 14.14 sin 50 t
i = 14.14 sin 80 pt + 14.14 sin 100 pt
i = 20 sin 80 pt + 20 sin 100 pt

⇒ The characteristic equation of an SR flip-flop in given by
Q_n+1 = S + RQ_n
Q_n+1 = RQ_n + SQ_n
Q_n+1 = S + RQ_n
Q_n+1 = S + RQ_n

⇒ 50 independent low pass signals of bandwidth W, 2W, 3W, W, 2W, 3W, W, 2W, 3W Hz are to be time division multiplexer on a common channel using PAM. To achieve this, the minimum transmission capacity of the channel should be __________ .
1 Hz
12 Hz
3 Hz
6 Hz

⇒ Voltage standing wave pattern in a loss less transmission line with characteristic impedance 50 Ω and a resistive load is shown in the figu
-0.6
-1
0.6
0

⇒ For maximum unclipped output from a CE amplifier, the Q point should be
at the centre of dc load line
at the centre of ac load line
at the centre of collector current
none of the above

⇒ The number of branches of root locus plot is equal to
the number of roots of characteristic equation
double the number of roots of characteristic equation
the number of roots of characteristic equation minus one
the number of roots of characteristic equation plus one

⇒ In which function is each term known as minterm?
SOP
POS
Hybrid
Both SOP and POS

⇒ (1001-10) is equal to
7
(8)₈
(7)₄
(8)₄

⇒ Which of the following modulation is analog in nature?
PCM
DPCM
DM
PDM

⇒ In n type MOSFET, the substrate
is p type
is n type
is metallic
may be p or n type

⇒ An n type silicon bar 0.1 cm long and 100 μm² in cross-sectional area has a majority carrier concentration of 5 x 10²⁰/m³ and the carrier mobility is 0.13 m⁰/V-s at 300k. If the charge of an electron is 1.6 x 10^-19 coulomb, then the resistance of the bar is
10⁶ ohm
10⁴ ohm
10^-1 ohm
10^-4 ohm

⇒ In a 4 bit D/A converter, the offset error is the output voltage when input digital voltage is
1111
0
either 1111 or 0000
none of the above

⇒ The residual resistivity of a binary alloy at 0°K is
the sum of the residual resistivities of the component metals
the difference of the residual resistivities of the component metals
the product of the residual resistivities of the component metals
depend on the concentration of the minor component in the alloy

⇒ An angle modulated signal is expressed by f_a(t) = cos (2 x 10⁸ pt) + 75 sin (2 x 10³ pt). The peak frequency deviation of the carrier is
1 kHz
7.5 kHz
75 kHz
100 MHz

⇒ A signal is sampled at Nyquist rate f_s = 2f₀. The function can be recovered from its samples only. If it is a
Periodic square wave of fundamental frequency f₀
Triangular wave of fundamental frequency f₀
Periodic sine wave of fundamental frequency f₀
Unit impulse function

⇒ In a bistable multivibrator, commutating capacitors are used to
increase the base storage charge
provide ac coupling
increase the speed of response
alter the frequency of the output

⇒ Which junction transistor is preferred for high input and low output impedances?
Common emitter
Common base
Common collector
Any of the above

⇒ Consider the following

A signal f(t) and its Hilbert transform f_h(t) have the same energy density spectrum
A signal f(t) and its Hilbert transform, f_h(t) have the same auto correlation function
A signal f(t) and its Hilbert transform are mutually orthogonal

Which of the above are true?
1, 2 and 3
1 and 2 only
1 only
2 and 3 only

⇒ In case of antenna the lower value of Q indicates
higher bandwidth
lower bandwidth
higher distortion
lower distortion