Question is ⇒ The Boolean expression for the sub-class (Q) of all electronic instruments which are measuring instruments or are non-digital instruments with battery supply is, Options are ⇒ (A) Q = X(Y + Z), (B) Q = X + YZ, (C) Q = XY + Z, (D) Q = XY + Z, (E) , Leave your comments or Download question paper.

Question is ⇒ The Boolean expression for the sub-class (Q) of all electronic instruments which are measuring instruments or are non-digital instruments with battery supply is, Options are ⇒ (A) Q = X(Y + Z), (B) Q = X + YZ, (C) Q = XY + Z, (D) Q = XY + Z, (E) , Leave your comments or Download question paper. Previous question Next question


Q1.	The Boolean expression for the sub-class (Q) of all electronic instruments which are measuring instruments or are non-digital instruments with battery supply is
A.	Q = X(Y + Z) [Wrong Answer]
B.	Q = X + YZ [Correct Answer]
C.	Q = XY + Z [Wrong Answer]
D.	Q = XY + Z [Wrong Answer]
View Answer 1 -1 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 :

⇒ If E is energy level of electron and E_F is Fermi level, then
all quantum states with E less than E_F will be occupied at T = 0
all quantum states with E less than E_F will be empty at T = 0
some quantum states with E less than E_F will be occupied at T = 0
none of the above

⇒ A balun should have
low SWR at both ports
high SWR at both ports
high SWR at input port and low SWR at output port
low SWR at input port and high SWR at output

⇒ A 1000 kHz carrier is simultaneously modulated with 300 Hz, 800 Hz and 2 kHz audio sine waves. The frequencies present in the output will be
998 kHz and 1002 kHz
998 kHz, 999.2 kHz, 1000.8 kHz, 1002.0 kHz
998 kHz, 999.2 kHz, 999.7 kHz, 1000.3 kHz, 1000.8 kHz and 1000.2 kHz
none of the above

⇒ VSWR = E_max/E_min.
TRUE
FALSE

⇒ When negative feedback is used the fractional changes in closed loop gain are desensitized by the factor (1 + A_vβ)
TRUE
FALSE

⇒ The circuit given below
Band stop filter
Band pass filter
Oscillator circuit
All pass filter

⇒ The radiation pattern of Hertzian dipole in the plane perpendicular to dipole is a
null
circle
figure of eight
none of the above

⇒ Photoconductive devices uses
metallic conductors
good quality insulators
semiconductors
either (a) or (c)

⇒ Out of the following memory types, one that is volatile is
ferrite-core
semiconductor RAM
semiconductor ROM
magnetic disc

⇒ If the carrier modulated by a digital bit stream has one of the possible phases of 0°, 90°, 180° and 270°. Then the modulation is called
BPSK
QPSK
QAM
MSK

⇒

Assertion (A): The angular momentum of an atom is due to three contributions viz. orbital, electron spin and nuclear spin.

Reason (R): The nuclear spin magnetic moment is much more than electron spin magnetic moment.

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

⇒

Match the following:

	List I (Devices)		List II (characteristic)
A.	BJT	1.	Voltage controlled negative resistance
B.	MOSFET	2.	High current gain
C.	Tunnel diode	3.	Voltage regulation
D.	Zener diode	4.	High input impedance

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

⇒ Which of the following statement is incorrect?
Z₀ is an ac characteristic that is the same for any length of time
The characteristic impedance can be measured approximately with a sensitive ohm meter
A line terminated in its Z₀ is a flat or non-resonant line
A twin lead has higher Z₀ but lower losses than coaxial cable

⇒ An ideal voltage source can not be converted into an equivalent current source.
TRUE
FALSE

⇒ Which rectifier has the best ratio of rectification?
Half wave rectifier
Full wave rectifier
Bridge rectifier
Three phase full wave rectifier

⇒ In a transistor β_dc is likely to vary between 100 and 400. The proper value of β_dc to be used to located Q point is
100
400
250
200

⇒ Figure shows the equivalent circuit of resistor. The resistor is non-inductive w
R = L/C
LR = L/C
L = CR²
C = LR²

⇒ Inverse Fourier transform of '1' is
U(t)
δ(t)
0'
infinite

⇒ The output voltage of 5-bit D/A binary ladder that has a digital input of 11010 (Assuming 0 = 0 V and 1 = + 10 V) is
3.4375 V
6.0 V
8.125 V
8.6875 V

⇒ Four voltmeters have following specifications. If accuracy is main consideration which is the best?
100 V, 2 mA
100 V, 100 mA
100 V, 1 mA
100 V, 0.1 mA

⇒ The gain of an half wavelength antenna is
2.15 dB
10 dB
1.78 dB
100 dB

⇒ If G(s)H(s) = K (T₁s + 1)/[s² (T₂s + 1)] the system stability depended an relative magnitudes of T₁ and T₂.
TRUE
FALSE

⇒ The main drawbacks of EEPROM are
low density
high cost
both low density and high cost
none of the above

⇒ CMOS is widely used in
digital wrist watches
analog circuits
high power circuits
all of the above

⇒ Brownian motion is
random emission of electrons in vacuum tubes
thermal motion of electrons in a resistance
random diffusion of holes and electrons in semi- conductors
both (b) and (c)

⇒ A string variable in Basic is
an alphabet followed by dollar sign
a digit followed by dollar sign
either (a) or (b)
neither (a) nor (b)

⇒ In a turnstile antenna the crossed dipoles are excited with voltages
in phase with each other
90° out of phase with each other
120° out of phase with each other
180° out of phase with each other

⇒ Which of the following is a valid variable in FORTRAN 77?
0.125
ALPHA -3
ALPHA 3
BALPHAC

⇒ Measurement of Hall coefficient enables the determination of
recovery time of stored carrier
type of conductivity and concentration of charge carriers
temperature coefficient and thermal conductivity
Fermi level and forbidden energy gap

⇒ What is the minimum value of VSWR that may exist on a transmission line?
Less than zero
Zero
One
10