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Consider the following statements about 8085
| |
A. | 1 and 3 only [Correct Answer] |
B. | 3 and 4 only [Wrong Answer] |
C. | 1 and 2 only [Wrong Answer] |
D. | 2 only [Wrong Answer] |
View Answer
Explanation:-
Answer : A Discuss it below : !! OOPS Login [Click here] is required to post your answer/result |
Also Read Similar Questions Below :
⇒ In a transistor push pull amplifier
there is no dc present in the output
there are no even harmonics in the output
both (a) and (b)
neither (a) nor (b)
⇒ Determine the transistor capacitance of a diffused junction varicap diode of a reverse potential of 4.2 V if C(0) = 80 pf and V_{T} = 0.7 V
42 pf
153.03 pf
13.33 pf
Data inadequate
⇒ If f(t) = 1, F(jω) =
2p
p
2pδ (p)
pδ (ω)
⇒ Consider an arbitrary distribution of conducting bodies in a charge free space according to the uniqueness theorem, which of following are required to be specified in order that the field is uniquely determined everywhere?
1 and 3
2 and 4
1, 2, and 3
1, 2, 3, 4
⇒ It is required that a strain gauge has gauge factor of 100. The proper strain gauge is
constantan strain gauge
nichrome strain gauge
semiconductor strain gauge
alloy strain gauge
⇒
A-4, B-2, C-1, D-3
A-3, B-2, C-1, D-4
A-4, B-1, C-2, D-3
A-3, B-1, C-2, D-4
⇒ If f(t)↔ F(jω), and f(t) is real, then F(- jω)
F(jω)
F*(j↔)
F*(- jω)
none of these
⇒ An electrodynamometer instrument has the advantage of
freedom from hysteresis and eddy currents because air cored coils are used
freedom from hysteresis and eddy currents because cores of coils have special ferromagnetic material
high torque/weight ratio
low cost
⇒ A 100 + j 100 Ω load is to be matched to a line with Z_{0} = 300 Ω to give SWR = 1. The reactance of stub is
j 200 Ω
-j 200 Ω
j 100 Ω
-j 100 Ω
⇒ In figure the effective resistance faced by voltage source
1 Ω
2 Ω
3 Ω
3.3 Ω
⇒
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 true, R is false
A is false, R is true
⇒ The colour coding of a resistors shows 100 K, ± 10%. When the resistance was measured with an ohmmeter, it read
95 K
80 K
120 K
85 K
⇒ The number of address lines in EPROM 4096 x 8 is
2
4
8
12
⇒ The hexadecimal number (3E8)_{16} is equal to decimal number
1000
982
768
323
⇒ Which of the following flip-flops is used as latch?
JK flip-flop
D flip-flop
RS flip-flop
T flip-flop
⇒ With 2's complement representation, the range of values that can be represented on the data bus of an 8 bit microprocessor is given by
-128 to 127
-128 to +128
-127 to 128
-256 to 256
⇒ In a flip flop which input determines the state to which output will transistion?
Control input
Clock input
Both control and clock input
Either control or clock input
⇒ The log magnitude for the system in the given figure is (where T =
20 log (1 + ωT)
-20 log (1 + ωT)
-10 log (1 + ω^{2}T^{2})
-20 log (1 + ω^{2}T^{2})
⇒ Which of the following is an oscillator with best frequency stability?
Crystal oscillator
Clapp oscillator
Phase shift circuit
Multivibrator
⇒ In the circuit shown in the figure the power dissipated in 30 Ω resistor will be maximum if the value of
30 Ω
10 Ω
9 Ω
zero
⇒ The permeability of soft iron can be increased by
purifying it
reducing carbon percentage
alloying with cobalt
increasing percentage
⇒ The current in a circuit is measured using a 150 : 1 CT If the ammeter reads 0.6 A, the circuit current is
250 A
90 A
156 A
144 A
⇒ The primary function of lag compensator is to provide sufficient
gain margin
phase margin
both gain margin and phase margin
either (a) or (b)
⇒ FF_{16} when converted to 8421BCD =
0000 0101 0101
0010 0101 0101
1111 0101 0101
1000 0101 0101
⇒ Who developed the concept of time varying electric field producing a magnetic field?
Gauss
Faraday
Hertz
Maxwell
⇒ Single parity check is not reliable in case of
paper tape
magnetic tape
magnetic drum
cores
⇒ Which of the following configuration has low thermal stability?
CB
CC
CE
All have identical thermal stability
⇒ The equation sin (z) = 10 has
no real or complex solution
exactly two distinct complex solutions
a unique solution
an infinite number of complex solutions
⇒ Decimal -90 equals __________ in 8 bit 2s complement
1000 1000
1010 0110
1100 1100
0101 0101
⇒ HVDC systems are preferable for only long distances.
TRUE
FALSE
⇒ In a transistor push pull amplifier
there is no dc present in the output
there are no even harmonics in the output
both (a) and (b)
neither (a) nor (b)
⇒ Determine the transistor capacitance of a diffused junction varicap diode of a reverse potential of 4.2 V if C(0) = 80 pf and V_{T} = 0.7 V
42 pf
153.03 pf
13.33 pf
Data inadequate
⇒ If f(t) = 1, F(jω) =
2p
p
2pδ (p)
pδ (ω)
⇒ Consider an arbitrary distribution of conducting bodies in a charge free space according to the uniqueness theorem, which of following are required to be specified in order that the field is uniquely determined everywhere?
- Total charge on each conductor
- Potential at each conductor surface
- Potential at same of conductor and total charge on the remainder
- Total charge as well as potential gradient on each conductor surface
1 and 3
2 and 4
1, 2, and 3
1, 2, 3, 4
⇒ It is required that a strain gauge has gauge factor of 100. The proper strain gauge is
constantan strain gauge
nichrome strain gauge
semiconductor strain gauge
alloy strain gauge
⇒
Match the following:
List I (Application of circuit) | List II (Circuit Name) | ||
---|---|---|---|
A. | Divider | 1. | Astable multivibrator |
B. | Clips input voltage at two predetermined levels | 2. | Schmitt trigger |
C. | Square wave generator | 3. | Bistable multivibrator |
D. | Narrow current pulse generator |
A-4, B-2, C-1, D-3
A-3, B-2, C-1, D-4
A-4, B-1, C-2, D-3
A-3, B-1, C-2, D-4
⇒ If f(t)↔ F(jω), and f(t) is real, then F(- jω)
F(jω)
F*(j↔)
F*(- jω)
none of these
⇒ An electrodynamometer instrument has the advantage of
freedom from hysteresis and eddy currents because air cored coils are used
freedom from hysteresis and eddy currents because cores of coils have special ferromagnetic material
high torque/weight ratio
low cost
⇒ A 100 + j 100 Ω load is to be matched to a line with Z_{0} = 300 Ω to give SWR = 1. The reactance of stub is
j 200 Ω
-j 200 Ω
j 100 Ω
-j 100 Ω
⇒ In figure the effective resistance faced by voltage source
1 Ω
2 Ω
3 Ω
3.3 Ω
⇒
Assertion (A): Laplace transform can be used to evalute integrals.
Reason (R): Laplace transform can be used to solve differential equations.
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 true, R is false
A is false, R is true
⇒ The colour coding of a resistors shows 100 K, ± 10%. When the resistance was measured with an ohmmeter, it read
95 K
80 K
120 K
85 K
⇒ The number of address lines in EPROM 4096 x 8 is
2
4
8
12
⇒ The hexadecimal number (3E8)_{16} is equal to decimal number
1000
982
768
323
⇒ Which of the following flip-flops is used as latch?
JK flip-flop
D flip-flop
RS flip-flop
T flip-flop
⇒ With 2's complement representation, the range of values that can be represented on the data bus of an 8 bit microprocessor is given by
-128 to 127
-128 to +128
-127 to 128
-256 to 256
⇒ In a flip flop which input determines the state to which output will transistion?
Control input
Clock input
Both control and clock input
Either control or clock input
⇒ The log magnitude for the system in the given figure is (where T =
20 log (1 + ωT)
-20 log (1 + ωT)
-10 log (1 + ω^{2}T^{2})
-20 log (1 + ω^{2}T^{2})
⇒ Which of the following is an oscillator with best frequency stability?
Crystal oscillator
Clapp oscillator
Phase shift circuit
Multivibrator
⇒ In the circuit shown in the figure the power dissipated in 30 Ω resistor will be maximum if the value of
30 Ω
10 Ω
9 Ω
zero
⇒ The permeability of soft iron can be increased by
purifying it
reducing carbon percentage
alloying with cobalt
increasing percentage
⇒ The current in a circuit is measured using a 150 : 1 CT If the ammeter reads 0.6 A, the circuit current is
250 A
90 A
156 A
144 A
⇒ The primary function of lag compensator is to provide sufficient
gain margin
phase margin
both gain margin and phase margin
either (a) or (b)
⇒ FF_{16} when converted to 8421BCD =
0000 0101 0101
0010 0101 0101
1111 0101 0101
1000 0101 0101
⇒ Who developed the concept of time varying electric field producing a magnetic field?
Gauss
Faraday
Hertz
Maxwell
⇒ Single parity check is not reliable in case of
paper tape
magnetic tape
magnetic drum
cores
⇒ Which of the following configuration has low thermal stability?
CB
CC
CE
All have identical thermal stability
⇒ The equation sin (z) = 10 has
no real or complex solution
exactly two distinct complex solutions
a unique solution
an infinite number of complex solutions
⇒ Decimal -90 equals __________ in 8 bit 2s complement
1000 1000
1010 0110
1100 1100
0101 0101
⇒ HVDC systems are preferable for only long distances.
TRUE
FALSE