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Consider the following tasks in a micro computer
| |
A. | 2 only [Wrong Answer] |
B. | 2 and 3 only [Correct Answer] |
C. | 1, 2 and 3 only [Wrong Answer] |
D. | All [Wrong Answer] |
View Answer
Explanation:-
Answer : B Discuss it below : !! OOPS Login [Click here] is required to post your answer/result |
Also Read Similar Questions Below :
⇒ 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
⇒ In the spectrum of a FM wave
the carrier frequency cannot disappear
the carrier frequency disappears when the modulation index is large
the amplitude of any sideband depends on the modulation index
the total number of sidebands depends on the modulation index
⇒ The function Y = A B C + AB C + A B C + A BC is to be realized using discrete gates. The inputs available are A, B, C. We need a total of
8 gates
6 gates
10 gates
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⇒ What will be BCD number when the output is 0.37 V?
110111
10110111
11001000
1001000
⇒ Between which points does UJT exhibit negative resistance characteristics
between peak and valley points
before peak point
after peak point
after valley point
⇒ Which of the following may result in instability problem?
Large error
High selectivity
High gain
Noise
⇒ A lossless transmission line with air dielectric is 6 m long. what is the phase constant?
1p rad/m
2p rad/m
0.2p rad/m
0.1p rad/m
⇒ In 8085 microprocessor, which of the following interrupts has the highest priority?
RST 5.5
RST 7.5
TRAP
INTR
⇒ The expression given is F(A, B, C, D, E, F, G, H) = Σ(33, 48, 102, 158, 222, 229, 233, 243, 255); then the __________ and __________ minterms are grouped together into dual and variable __________ is reduced using the dual
243, 233, D
222, 158, B
243, 255, A
229, 243, E
⇒ In a series R-L circuit when excited by a 1 volt battery the current is 1 - e^{-t}. If it is excited by a source 2 sin t, the current will be
2 sin (t - 45°) + e^{-t}
2 sin (t + 45°) + e^{-t}
sin (t - 45°) + e^{-t}
sin (t + 45°) + e^{-t}
⇒ 6 bytes means
6 bits
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⇒ A transponder is a satellite equipment which
receives a signal from Earth station and amplifies
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retransmits the received signal
does all of the above-mentioned functions
⇒ A series RLC circuit has a resonance frequency of 1 kHz and a quality factor Q = 100. If each of R, L and C is doubled from its original value, the new Q of the circuit is
25
50
100
200
⇒ Which of the following element has four valence electrons?
Silicon
Germanium
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⇒ A (A + B) =
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B
A
B
⇒ A potential of 7 V is applied to a silicon diode. A resistance of 1 kΩ is also connected in series. If the diode is forward biased, the current in the circuit is
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6.3 mA
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⇒ In position control system the device used for providing rate feedback voltage is
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⇒ Alternating current can induce voltage because it has magnetic field which is
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⇒ The noise temperature of sky is about __________ °K.
100
273
0
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⇒ 24 telephone channels, each band limited to 3.4 kHz, are to be time division multiplexed by using PCM, calculate the bandwidth of PCM system for 128 quantization levels and an 8 KHz sampling frequency
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1.299 MHz
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⇒ For an RC admittance function Y,
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Y(0) < Y(∞)
Y (∞) may be lesser or greater than Y(0)
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⇒ An angle modulated signal is given by s(t) = cos 2p (2 x 10^{6}t + 30 sin 150t + 40 cos 150t). The maximum frequency and phase deviations of s(t) are
10.5 kHz, 140p rad
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⇒ The z-transform of sequence x[n] = δ(n) is
1
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z
⇒ Which amplifier has a voltage gain of less than 1?
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Common collector
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⇒ As the magnitude of reverse bias is increased, the capacitance of varactor diode
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⇒ Consider the following about 'return' statement in C
All
1 and 2 only
1 and 3 only
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⇒ For the system in the given figure the root l
is on real axis between points s = -1 and s = -3.6
is on real axis between points s = 0 and s = -1
is on real axis between points s = -3.6 and s = ∞
is on real axis between points s = 0 and s = -3.6
⇒ The open loop frequency response of a unity feed back system is as u
20 dB and 15°
20 dB and 25°
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6 dB and 25°
⇒ The mean life time of the minority carriers is in the range of a few
seconds
milli seconds
micro seconds
nano seconds
⇒ Unit step is a
energy signal
power signal
neither energy nor power signal
none
⇒ 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
⇒ In the spectrum of a FM wave
the carrier frequency cannot disappear
the carrier frequency disappears when the modulation index is large
the amplitude of any sideband depends on the modulation index
the total number of sidebands depends on the modulation index
⇒ The function Y = A B C + AB C + A B C + A BC is to be realized using discrete gates. The inputs available are A, B, C. We need a total of
8 gates
6 gates
10 gates
5 gates
⇒ What will be BCD number when the output is 0.37 V?
110111
10110111
11001000
1001000
⇒ Between which points does UJT exhibit negative resistance characteristics
between peak and valley points
before peak point
after peak point
after valley point
⇒ Which of the following may result in instability problem?
Large error
High selectivity
High gain
Noise
⇒ A lossless transmission line with air dielectric is 6 m long. what is the phase constant?
1p rad/m
2p rad/m
0.2p rad/m
0.1p rad/m
⇒ In 8085 microprocessor, which of the following interrupts has the highest priority?
RST 5.5
RST 7.5
TRAP
INTR
⇒ The expression given is F(A, B, C, D, E, F, G, H) = Σ(33, 48, 102, 158, 222, 229, 233, 243, 255); then the __________ and __________ minterms are grouped together into dual and variable __________ is reduced using the dual
243, 233, D
222, 158, B
243, 255, A
229, 243, E
⇒ In a series R-L circuit when excited by a 1 volt battery the current is 1 - e^{-t}. If it is excited by a source 2 sin t, the current will be
2 sin (t - 45°) + e^{-t}
2 sin (t + 45°) + e^{-t}
sin (t - 45°) + e^{-t}
sin (t + 45°) + e^{-t}
⇒ 6 bytes means
6 bits
24 bits
48 bits
96 bits
⇒ A transponder is a satellite equipment which
receives a signal from Earth station and amplifies
changes the frequency of the received signal
retransmits the received signal
does all of the above-mentioned functions
⇒ A series RLC circuit has a resonance frequency of 1 kHz and a quality factor Q = 100. If each of R, L and C is doubled from its original value, the new Q of the circuit is
25
50
100
200
⇒ Which of the following element has four valence electrons?
Silicon
Germanium
Both (a) and (b) above
None of the above
⇒ A (A + B) =
A
B
A
B
⇒ A potential of 7 V is applied to a silicon diode. A resistance of 1 kΩ is also connected in series. If the diode is forward biased, the current in the circuit is
7 mA
6.3 mA
0.7 mA
0
⇒ In position control system the device used for providing rate feedback voltage is
potentiometer
synchro-transmitter
synchro-transformer
tacho generator
⇒ Alternating current can induce voltage because it has magnetic field which is
constant
time varying
stronger field than D.C.
closed loop nature.
⇒ The noise temperature of sky is about __________ °K.
100
273
0
30
⇒ 24 telephone channels, each band limited to 3.4 kHz, are to be time division multiplexed by using PCM, calculate the bandwidth of PCM system for 128 quantization levels and an 8 KHz sampling frequency
192 kHz
2 MHz
1.299 MHz
1.54 MHz
⇒ For an RC admittance function Y,
Y(∞) < Y(0)
Y(0) < Y(∞)
Y (∞) may be lesser or greater than Y(0)
Y(∞) = Y(0)
⇒ An angle modulated signal is given by s(t) = cos 2p (2 x 10^{6}t + 30 sin 150t + 40 cos 150t). The maximum frequency and phase deviations of s(t) are
10.5 kHz, 140p rad
6 kHz and 80p rad
10.5 kHz, 100p rad
7.5 kHz, 100p rad
⇒ The z-transform of sequence x[n] = δ(n) is
1
∞
0
z
⇒ Which amplifier has a voltage gain of less than 1?
Common emitter
Common collector
Common base
Both CB and CC
⇒ As the magnitude of reverse bias is increased, the capacitance of varactor diode
increases
decreases
first increase, then decreases
first decreases then increases
⇒ Consider the following about 'return' statement in C
- On executing the return statement, it immediately transfers the control back to the calling program.
- There is no restriction on the number of 'return' statements present in a function.
- The 'return' statement must be present at the end of called function.
All
1 and 2 only
1 and 3 only
2 and 3 only
⇒ For the system in the given figure the root l
is on real axis between points s = -1 and s = -3.6
is on real axis between points s = 0 and s = -1
is on real axis between points s = -3.6 and s = ∞
is on real axis between points s = 0 and s = -3.6
⇒ The open loop frequency response of a unity feed back system is as u
20 dB and 15°
20 dB and 25°
6 dB and 15°
6 dB and 25°
⇒ The mean life time of the minority carriers is in the range of a few
seconds
milli seconds
micro seconds
nano seconds
⇒ Unit step is a
energy signal
power signal
neither energy nor power signal
none