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WorksheetsTech_Quantz 1
Total questions: 25
Worksheet time: 24mins
Which of the following expressions is in the sum-of-products (SOP) form?
(A + B)(C + D)
(A)B(CD)
AB(CD)
AB + CD
Derive the Boolean expression for the logic circuit shown below:
C ( A + B ) D E
[ C ( A + B ) D + E ' ]
ABCDE
[ [ C ( A + B ) D ] E' ]
Two 4-bit binary numbers (1011 and 1111) are applied to a 4-bit parallel adder. The carry input is 1. What are the values for the sum and carry output?
The bit sequence 10011100 is serially entered (right-most bit first) into an 8-bit parallel out shift register that is initially clear. What are the Q outputs after four clock pulses?
10011100
11000000
00001100
11110000
A common-source amplifier is similar in configuration to which BJT amplifier?
common-base
common-collector
common-emitter
emitter-follower
In a pure resistive circuit,
current lags behind the voltage by 90
current leads the voltage by 90
current can lead or lag the voltage by 90
current is in phase with the voltage
In the circuit shown, find the current (in A) through 3Ω resistor using Superposition theorem.
4
5
6
7
The circuit in the given figure is,
low pass filter
high pass filter
band Pass filter
band reject filter
In a transistor amplifier, the reverse saturation current ICO ,
Doubles for every 20°C rise in temperature
Increase 100°C with temperature
Doubles for every 10°C rise in temperature
Doubles for every 5°C rise in temperature
Find the current through R2 of the given circuit.
30.7 mA
104 mA
74 mA
134 mA
A certain voltage source has the values VS = 30 V and RS = 6 ohm. The values for an equivalent current source are
5 A, 6 ohm
30 A, 6 ohm
5 A, 30 ohm
30 A, 5 ohm
Determine the output voltage when V1 = –V2 = 1 V.
0 V
-2 V
1 V
2 V
Determine the current level if E = 15 V and R = 3 k. Vd=.7V
0 A
4.76 mA
5 mA
5 A
A 60 load is connected across a voltage source with VS = 12 V and RS = 8 . The voltage across the load is
11.25 V
0 V
12 V
10.58 V
Find the Thevenin equivalent (VTH and RTH) between terminals A and B of the circuit given.
562 mV, 167 ohm
5.62 V, 167 ohm
5.62 V, 188 ohm
562 mV, 188 ohm
Which of the following current equations is true?
ID = IS
IG = ID = IS
IG = IS
IG = ID
Determine odd parity for each of the following data words:
1011101 11110111 1001101
P = 1, P = 1, P = 0
P = 0, P = 0, P = 1
P = 1, P = 1, P = 1
P = 0, P = 0, P = 0
The output of a JK flipflop with asynchronous preset and clear inputs is ‘1’. The output can be changed to ‘0’ with one of the following conditions
By applying a synchronous preset input
By applying J = 1, K = 1 and using the clock
By applying J = 1, K = 0 and using the clock
By applying J = 0, K = 0 and using a clock
Mosfet acts as amplifier in which region
Saturation
cutoff
Triode
Linear
The ratio of the mobility to the diffusion coefficient in a semiconductor has the unit
V-1
em V-1
V cm-1
V s
The h parameters of the circuit shown in figure are
The circuit shown in the figure represents a
Voltage controlled voltage source
Voltage controlled current source
Current controlled current source
Current controlled voltage source
The driving point impedance Z(s) of a network has the pole-zero locations as shown in figure. If Z(0) = 3, then Z(s) is
In the given circuit, the current supplied by the battery (in ampere) is
0.5
1
1.5
2
The impedance parameters Z11 and Z12 of the two port network in figure are
Z11 = 2.75 ohm and Z12 = 0.25 ohm
Z11 = 3 ohm and Z12 = 0.5 ohm
Z11 = 3 ohm and Z12 = 0.25 ohm
Z11 = 2.25 ohm and Z12 = 0.5 ohm
