Question is ⇒ A cordless telephone using separate frequencies for transmission in base and portable units is known as, Options are ⇒ (A) duplex arrangement, (B) half duplex arrangement, (C) either (a) or (b), (D) neither (a) nor (b), (E) , Leave your comments or Download question paper.

Question is ⇒ A cordless telephone using separate frequencies for transmission in base and portable units is known as, Options are ⇒ (A) duplex arrangement, (B) half duplex arrangement, (C) either (a) or (b), (D) neither (a) nor (b), (E) , Leave your comments or Download question paper. Previous question Next question


Q1.	A cordless telephone using separate frequencies for transmission in base and portable units is known as
A.	duplex arrangement [Correct Answer]
B.	half duplex arrangement [Wrong Answer]
C.	either (a) or (b) [Wrong Answer]
D.	neither (a) nor (b) [Wrong Answer]
View Answer 1 -1 Explanation:- Answer : A 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 :

⇒

Match the following:

	List I (Library function in Pascal)		List II (Type of argument)
A.	ROUND X	1.	X in radians
B.	ABS X	2.	X real
C.	SQR X	3.	X real or integer
D.	SIN X

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

⇒ The image frequency of a superheterodyne receiver is
independent of the frequency at which the receiver is tuned
always outside the operating range of the receiver
typical to FM receivers only
not rejected by the IF tuned circuits

⇒ In a 7 segment display, LEDs b and c lit up. The decimal number displayed is
9
7
3
1

⇒ An enhancement mode MOSFET is off when the gate voltage is
zero
negative
less than threshold value
none of the above

⇒ For the truth table of the given figure
A + B + C
A + BC
A
B

⇒ Fill in the suitable word in the blanks is the following questions. The electron in the outermost orbit is called __________ electron.
valence
covalent
acceptor
donor

⇒ In rectifiers the use of RC filters is recommended when
load current is high
load current is small
load current is neither high nor small
either (a) or (c)

⇒ Figure represen
Tunnel diode
PNP transistor
Photo sensitive diode
Photo emissive diode

⇒ A signal having uniformly distributed amplitude in the interval (- V to + V) is to be encoded using PCM with uniform quantization. The signal to quantization noise ratio is determined by
dynamic range of signal
sampling rate
number of quantizing levels
power spectrum of signal

⇒ Which of the following h parameters is an admittance?
h_ie
h_re
h_fe
h_oe

⇒

Assertion (A): The conductivity of an n type semiconductor increases with increase in temperature and increase in density of donor atoms.

Reason (R): Diffusion of carriers occurs in semiconductors.

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

⇒ Watthour meter is an integrating instrument
TRUE
FALSE

⇒ In figure I_D = 4 mA. Then V_{GS4.4 V
-4.4 V
0.44 V
-0.44 V}

⇒ The r_e model equivalent circuit shown in figure is
CE amplifier
CC amplifier
CB amplifier
None of the above

⇒ Consider the following symbols for arithmetic operators for integers

Which of the above are used in Pascal?
1, 2 and 4 only
All
1, 2, 3 only
1 and 4 only

⇒ The system with given pole-zero diagram is _______
Causal
Anti-causal
Both sided
Cannot be determined

⇒ In Pascal if I = 55, 10 * I div 10 =
55
50
5.5
5

⇒ A half bridge inverter
needs a 3 wire dc supply
may use a two wire or 3 wire dc supply
has higher output voltage if fed from 3 wire dc supply
has higher efficiency if fed from 3 wire dc supply

⇒ The following k-map implem
BCD to Decimal Decoder
Decimal to BCD Encoder
1 of 10 Decoder
(a) and (c)

⇒ The electromagnets of an induction wattmeter
are laminated
are not laminated
may be laminated
must not be laminated

⇒ Which of the following subtraction operations do not result in F₁₆?

(BA)₁₆ - (AB)_{161 and 2
1 and 3
2 and 3
1, 2 and 3}

⇒
Assertion (A): In a conductor, current density remains constant in time as long as E is constant.
Reason (R): In a conductor, J = σE.

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
⇒
1. Hall coefficient R_H is directly proportional to the charge density
2. R_H depends upon type of the semiconductor material (n - type or p - type)
3. Hall co-efficient R_H is directly proportional to hall voltage V_H
From the above statements which are the false statements?
I only
II only
III only
all of the above
⇒ The maximum phase difference between the applied voltage and current in a RLC series current with finite values of R, L, C, and f can be
less than 90°
less than 45°
180°
30°

⇒ Which of the following are linear ICs?
RF and IF amplifiers
Wide band amplifier
Audio amplifiers
All of the above

⇒ The circuit shown in the figure, with R = 1/3 Ω, L = 1/4H, C = 3F has input voltage v(t) = sin2t. The resulting current i(t
5 sin (2t + 53.1°)
5 sin (2t - 53.1°)
25 sin (2t + 53.1°)
25 sin (2t - 53.1°)

⇒ The voltage gains of an amplifier without feedback and with negative feedback respectively are 100 and 20. The percentage of negative feedback (β) would be
0.4
0.05
0.2
0.8

⇒ Z flag is reset if an ALU operation results in 0.
TRUE
FALSE

⇒ If noise margin is high, there is lesser chance of false operation.
TRUE
FALSE

⇒ A direct radiating cone type loudspeaker attenuates :
medium range frequencies
very low frequencies
high frequencies
very low and high frequencies