Question is ⇒ All digital circuits can be realised using only, Options are ⇒ (A) EX-OR gates, (B) Multiplexers, (C) Half adders, (D) OR gates, (E) , Leave your comments or Download question paper.

Question is ⇒ All digital circuits can be realised using only, Options are ⇒ (A) EX-OR gates, (B) Multiplexers, (C) Half adders, (D) OR gates, (E) , Leave your comments or Download question paper. Previous question Next question


Q1.	All digital circuits can be realised using only
A.	EX-OR gates [Wrong Answer]
B.	Multiplexers [Correct Answer]
C.	Half adders [Wrong Answer]
D.	OR gates [Wrong Answer]
View Answer 3 -9 Explanation:- Answer : B Discuss it below : !! OOPS Login [Click here] is required to post your answer/result Help other students, write article, leave your comments

Previous question Next question

Also Read Similar Questions Below :

⇒ A reactance function is always a quotient of
even to odd polynomials
odd to even polynomials
even to odd or odd to even polynomials
even to even polynomials

⇒ Which of the following antennas is circularly polarized?
Yagi-Uda
Parabolic reflector
Small circular loop
Helical

⇒ Consider the following statements.

Etching
Exposure to UV radiation
Stripping
Developing

After a wafer has been coated with photo resist the correct sequence of these steps in photolithography is
2, 4, 3, 1
2, 4, 1, 3
4, 2, 1, 3
3, 2, 3, 1

⇒

Assertion (A): Copper is a good conductor of electricity.

Reason (R): Copper has a face centred cubic lattice.

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

⇒ The modulation index is, if f_m = 500 Hz, Δf = 2.25 kHz
2.25
4.5
9
18

⇒ In the circuit shown in the given figure, switch k is closed at t = 0. The circuit was initially relaxed then which one of the following sources of v(t) will produce maximum current at t = 0^{+Unit step
Unit impulse
Unit ramp
Unit step plus unit ramp}

⇒ In 8085 microprocessor, the RST 5.5 interrupt service routine start from location
0020 H
0024 H
0028 H
002 CH

⇒ A proportional controller is basically
an amplifier with adjustable gain
an integrating amplifier
an amplifier with infinite gain
an amplifier with almost zero gain

⇒ In an underdamped RLC series circuit, the natural frequency is ω_n. The frequency of damped oscillations is
ω_n
less than ω_n
more than ω_n
2 ω_n

⇒ What are the counting stages (Q₁, Q₂) for the counter shown in the figure be
11, 10, 00, 11, 10, ...
01, 10, 11, 00, 10, ...
00, 11, 01, 10, 00, ...
01, 10, 00, 01, 10, ...

⇒ A capacitor behave to d.c. as
short-circuit
an open-circuit
it behaves to a.c.
none of these.

⇒ Which of the following statement number is not valid in Basic
12
521
662512
99999

⇒ In 8086 the instruction ADD AL, CH means
the two 8 bit values in registers AL and CH are added and result placed in register AL
the two 8 bit values in registers AL and CH are added and result placed in register CH
the two 16 bit values in registers AL and CH are added and result placed in register AL
the two 16 bit values in registers AL and CH are added and result placed in register CH

⇒ If sound intensity is 8 W/m², the dB level of this sound is about
5 dB
50 dB
129 dB
1290 dB

⇒ In the absence of noise, if C is channel capacity in bits/s, δf is channel bandwidth in Hz and N is number of coding levels. Then
C = log₂ N
C = (δf) log₂ N
C = 2 (δf) log₂ N
C = 0.5 (δf) log₂ N

⇒ Choose the correct option
var (X) = σ_x²
σ² = E(X²) - μ²
var (CX) = C² Var (X)
all

⇒ In the above case the modulation index will be
9.6
28.8
57.6
100

⇒ In some on-off controllers a differential gap is provided
to make the manufacture process easier
to prevent too often frequent operation of controller
both (a) and (b)
neither (a) nor (b)

⇒ Maximum effective aperture of an antenna which is operating at a wavelength of 3 meters and has a directivity of 100
71.68 m²
716 m²
7.16 m²
71.6 m²

⇒ An antenna operates effectively when its dimensions are
of the order of magnitude of wavelength to be transmitted
very small than the magnitude of wavelength to be transmitted
very large than the magnitude of wavelength to be transmitted
either (a) or (b)

⇒ For the block diagram of the given figure, the equation describing system dynamic
(1 + RCs) Δθ₀(s) = Δθ_i(s) + R Δ H(s)
(1 + RCs) [ΔH(s)] = Δθ(s) - Δθ₀(s)
(1 + RCs) Δθ₀(s) = RΔ H(s) - Δ θ_i(s)
(1 + RCs) Δθ_i(s) = Δ H(s)[R] - Δθ₀(s)

⇒

Match the following:

	List I		List II
A.	Title bar	1.	Window menu
B.	Control menu box	2.	First row of window
C.	start-button	3.	box in title bar
D.	Control	4.	Button on mouse

A-3, B-2, C-4, D-1
A-2, B-3, C-4, D-1
A-3, B-2, C-1, D-4
A-2, B-3, C-1, D-4

⇒ A thyristor has a turn on time of 6 μs. If the anode circuit is inductive, the turn on time will be
6 μs
less than 6μs
more than 6 μs
either 6 μs or less

⇒ In a N-P-N transistor of the emitter junction is reverse biased and collector junction is also reversed biased, the transistor will operate in
active region
saturation region
cut-off region
inverted region

⇒ If A = 10 + j then log_eA is
14.14 ∠45°
200 ∠45°
2.65 + j45°
2.65 + j0.785

⇒ In a 3 input NAND gate, the number of states in which output is 1 equals
8
1
6
5

⇒ A clipper
adds a dc component to the input signal
removes signal voltages above or below a specified value
both (a) and (b)
either (a) or (b)

⇒ At a P-N junction, the potential barrier is due to the charges on either side of the junction, which consists of
fixed donor and acceptor ions
majority carriers only
minority carriers only
both majority and minority carriers

⇒ Vividh Bharati programme is transmitted in
short wave
medium frequency
very high frequency
all of the above

⇒ Resistivity of electrical conductors is most affected by
Pressure
temperature
composition
ageing