Question is ⇒ In a 5 x 7 dot matrix, format, to store 64 alphanumeric characters we require, Options are ⇒ (A) 1120 bits, (B) 2240 bits, (C) 33 bits, (D) 64 bits, (E) , Leave your comments or Download question paper.

Question is ⇒ In a 5 x 7 dot matrix, format, to store 64 alphanumeric characters we require, Options are ⇒ (A) 1120 bits, (B) 2240 bits, (C) 33 bits, (D) 64 bits, (E) , Leave your comments or Download question paper. Previous question Next question


Q1.	In a 5 x 7 dot matrix, format, to store 64 alphanumeric characters we require
A.	1120 bits [Wrong Answer]
B.	2240 bits [Correct Answer]
C.	33 bits [Wrong Answer]
D.	64 bits [Wrong Answer]
View Answer 1 -3 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 :

⇒ In a bipolar transistor
the base is thick and highly doped
the base is thin and highly doped
the base is thick and lightly doped
the base is thin and lightly doped

⇒

Hall coefficient R_H is directly proportional to the charge density
R_H depends upon type of the semiconductor material (n - type or p - type)
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

⇒ A computer program is used to read M and print the sum 2 + 4 + 6 + 8 +.........+ 2M. If M = 9 , the print out will show the number
9
18
90
100

⇒ Which of the following material has nearly zero temperature-coefficient of resistance?
Carbon
Porcelain
Copper
Manganin

⇒ The voltage and current distributions on a grounded λ/4 dipole (Marconi antenna) are similar to those of a half wave dipole in space.
TRUE
FALSE

⇒ Hue of a colour means
amount of light energy received by eye
predominant spectral purity of colour light
amount of other colours present
none of the above

⇒

Assertion (A): Magnetron is generally used in n mode.

Reason (R): Frequency for p mode can be easily separated from adjacent modes.

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
A is wrong but R is correct

⇒ When temperature is more than ferromagnetic curie temperature, the behaviour of a ferromagnetic material is similar to that of paramagnetic material.
TRUE
FALSE

⇒

Assertion (A): A fixed bias BJT circuit exhibits better performance as compared to a self bias BJT circuit.

Reason (R): A fixed bias BJT circuit used less components as compared to a self bias BJT circuit.

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

⇒

Assertion (A): Germanium is more commonly used than silicon.

Reason (R): Forbidden gap in germanium is less than that in silicon.

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

⇒ For resonant long wire antenna 'n' half wavelength long in free space, if 'n' is increased then inclination of the major lobe with wire axis will __________ .
increases
decreases
remains same
none

⇒ In the balanced bridge shown in figure. X should
a self inductance having resistance
a capacitance
a non-inductive resistance
an inductance and capacitance in parallel

⇒ The voltage gain of an amplifier without and with feedback are 100 and 20. The negative feedback is
0.04
0.05
0.2
0.8

⇒ Kirchoff's voltage law is not valid for a non-linear network
the statement is true
the statement is false
can't say
none of the above

⇒ In p mode of operation of magnetron the spikes due to phase focussing effect rotate at an angular velocity corresponding to
one pole/cycle
two pole/cycle
four pole/cycle
six pole/cycle

⇒ Which of the following is necessary transistor action?
The base region must be very wide
The base region must be very narrow
The base region must be made of some insulating material
The collector region must be heavily doped

⇒ A zener diode is used in
voltage regulator circuit
amplifier circuits
both voltage regulator and amplifier circuit
none of the above

⇒ How is an N-channel junction Field Effect Transistor operated as an amplifier?
With a forward bias gate source junction
With a reverse bias gate-source junction
With a open gate source junction
With a shorted gate source junction

⇒ Which of the following conditions must be satisfied for a transistor to remain under saturation?

Its collector to base junction should be under forward bias.
Its collector to base junction should be under reverse bias.
Its emitter to base junction should be under reverse bias.
Its emitter to base junction should be under forward bias.

Select the correct answer from the codes given below:
1 and 2
1 and 3
2 and 3
1 and 4

⇒ A TV picture is to be transmitted over a channel of 6 MHz bandwidth at a 35 dB S/N ratio. The capacity of the channel is
50 Mbps
100 Mbps
36 Mbps
72 Mbps

⇒ A network has only independent current sources and resistance. If values of all resistors are doubled, the values of node voltages
will become half
will remain unchanged
will become double
cannot be determined unless circuit configuration and values of resistors are known

⇒ For the logic circuit of the given figure,
A + BC
BC
AB
AB + C

⇒ The pole zero diagram of an impedance Z has a pole at s = - 6 and zero at s = - 4 as shown in figure the constant multiplier k = 1. For a signal I_s = cos 6t, the steady state voltage across Z is given in magnitude as u
0.6
0.84
7.2
none

⇒ In an RC series circuit R = 100 Ω and X_C = 10 Ω. In this circuit
the current and voltage are in phase
the current leads the voltage by about 6°
the current leads the voltage by about 84°
the current lags the voltage by about 6°

⇒ The polynomial P (s) = (s - 1) (s² + 1) (s + 2) (s + 3) is
Hurwitz but not strictly Hurwitz
not Hurwitz
strictly Hurwitz
anti/Hurwitz

⇒ In an amplitude modulated waveform, the amplitude of the sideband is
independent of the carrier amplitude
independent of the modulation index
carrier amplitude x modulation index
1/2 carrier amplitude x modulation index

⇒ A capacitor whose capacitance C_t = C₀ (1- cos ωt) is fed by a sinusoidal voltage v = V₀ sin ωt. The equation for current i is
ω C₀V₀ cos ωt
ω C₀V₀ sin ωt
ω C₀V₀ (cos ωt - cos² ωt)
none of the above

⇒ If an amplifier with gain of - 100 and feedback of β = - 0.1 has a gain change of 20% due to temperature the change in gain of the feedback amplifier will be
0.0002
0.02
0.001
0.0001

⇒ At room temperature the current in an intrinsic semiconductor is due to
holes
electrons
ions
holes and electrons

⇒ Johnson noise is
white for all Practical application
always white
depends on temperature
never white