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Digital-electronics Questions Set 64:

Quiz Mode

How many OR gates are required for an octal-to-binary encoder?

Solution:

The number of minterms for the function F(a, b, c, d, e) = b + cd is

Solution:

How are the inputs provided to a Programmable Logic Device (PLD)?

NAND gate

OR gate

NOT gate

AND gate

Solution:

Find out the step size of Analog to digital convertor of size 6 bits and full scale voltage 10V ?

0.3065 V

0.4539 V

0.1587 V

0.0065 V

Solution:

Given the function F(A, B, C) = A + B'C, which of the following options represent the Product of Sum (POS) form?

Π m(0, 2, 3)

Σ m(1, 4, 6)

Π m(1, 4, 5)

Σ m(3, 5, 6)

Solution:

The inputs of Transistor-Transistor Logic (TTL) are from a special type of transistors called

transistor-transistor logic

multiple-emitter transistor

diode-transistor

heavily doped transistor

Solution:

Which component in the ASM chart is only used for high inputs?

Decision Box

conditional Box

state box

none of the above

Solution:

Given a CMOS inverter, the mobility ratio of electrons to that of holes is 2 and the width of the N-MOSFET is 2W. To design a clock buffer using this inverter, i.e., to achieve an equal rise time and fall time, what should be the width of the P-MOSFET?

Solution:

With a 200 kHz clock frequency, eight bits can be serially entered into a shift register in ____

4 μs

40 μs

400 μs

40 ms

Solution:

How can parallel data be taken out of a shift register simultaneously?

Use the Q output of the first FF

Use the Q output of the last FF

Tie all of the Q outputs together

Use the Q output of each FF

Digital-electronics Questions Set 64:

How many OR gates are required for an octal-to-binary encoder?

Solution:

The number of minterms for the function F(a, b, c, d, e) = b + cd is

Solution:

How are the inputs provided to a Programmable Logic Device (PLD)?

Solution:

Find out the step size of Analog to digital convertor of size 6 bits and full scale voltage 10V ?

Solution:

Given the function F(A, B, C) = A + B'C, which of the following options represent the Product of Sum (POS) form?

Solution:

The inputs of Transistor-Transistor Logic (TTL) are from a special type of transistors called

Solution:

Which component in the ASM chart is only used for high inputs?

Solution:

Given a CMOS inverter, the mobility ratio of electrons to that of holes is 2 and the width of the N-MOSFET is 2W. To design a clock buffer using this inverter, i.e., to achieve an equal rise time and fall time, what should be the width of the P-MOSFET?

Solution:

With a 200 kHz clock frequency, eight bits can be serially entered into a shift register in ____

Solution:

How can parallel data be taken out of a shift register simultaneously?

Solution:

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