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Q1. A 6-bit DAC uses binary weighted resistors. If MSB resistor is \(20K\Omega\), the value of LSB resistor is

\(20K\Omega\)

\(80K\Omega\)

\(320K\Omega\)

\(640K\Omega\)

Q2. The asynchronous Moore machine consist of

An input decoder and an output decoder

An input decoder, memory elements and an output decoder

An memory elements and an output decoder

An input decoder and memory elements

Q3. A switching function \(f(A, B, C, D) = (\bar A \bar B C D + \bar A B \bar C D + \bar A B C D + A\bar B \bar C D + A \bar B C D \) can also be written a

\(\Sigma m (1, 3, 5, 9, 11, 13)\)

\(\Sigma m (5, 7, 9, 11, 13)\)

\(\Sigma m (3, 5, 7, 9, 11)\)

\(\Sigma m (1, 3, 5, 7, 9)\)

Q4. For the circuit in Fig., the output expression 'Y' is given by_______.

\(\overline A\: \overline B\)

A+B

AB

\(\overline A+ \overline B\)

Q5. Dynamic characteristics of DAC is

Dynamic nonlinearity(DNL)

Gain over

Offset error

Conversion speed

Q6. The 2’s complement binary representation of - 255 in 8 bit form is

1111 1110

1111 1101

1111 1100

0000 0001

Q7. A certain 12-bit successive approximation type A/D converter has a full-scale analogue input of 10 V. It operates at a clock frequency of 1 MHz. What is the conversion time for an analogue input of 7.5V ?

\(2\mu\)s

\(12\mu\)s

\(18\mu\)s

\(36\mu\)s

Q8. When will be the output of an AND gate is HIGH if there are three inputs, A, B, and C ?

A = 0, B = 0, C = 0

A = 1, B = 1, C = 0

A = 1, B = 0, C = 1

A = 1, B = 1, C = 1

Q9. The following circuit can act as a memory

A combinatorial circuit

GATE with feedback

A simple GATE

An XOR GATE

Q10. The minimisation of logic expression is done due to

Reduce space

Reduce number of gates

Reduce cost

All of these

Quiz

Year 2025

February
Week # 3 Quiz 5

Q1. A 6-bit DAC uses binary weighted resistors. If MSB resistor is \(20K\Omega\), the value of LSB resistor is

Q2. The asynchronous Moore machine consist of

Q3. A switching function \(f(A, B, C, D) = (\bar A \bar B C D + \bar A B \bar C D + \bar A B C D + A\bar B \bar C D + A \bar B C D \) can also be written a

Q4. For the circuit in Fig., the output expression 'Y' is given by_______.

Q5. Dynamic characteristics of DAC is

Q6. The 2’s complement binary representation of - 255 in 8 bit form is

Q7. A certain 12-bit successive approximation type A/D converter has a full-scale analogue input of 10 V. It operates at a clock frequency of 1 MHz. What is the conversion time for an analogue input of 7.5V ?

Q8. When will be the output of an AND gate is HIGH if there are three inputs, A, B, and C ?

Q9. The following circuit can act as a memory

Q10. The minimisation of logic expression is done due to

Quiz

Year 2025

February Week # 1 Expire on 28 Feb 2025

February Week # 2 Expire on 07 Mar 2025

February Week # 3 Expire on 14 Mar 2025

February Week # 4 Expire on 21 Mar 2025

February Week # 3 Quiz 5

Q1. A 6-bit DAC uses binary weighted resistors. If MSB resistor is \(20K\Omega\), the value of LSB resistor is

Q2. The asynchronous Moore machine consist of

Q3. A switching function \(f(A, B, C, D) = (\bar A \bar B C D + \bar A B \bar C D + \bar A B C D + A\bar B \bar C D + A \bar B C D \) can also be written a

Q4. For the circuit in Fig., the output expression 'Y' is given by_______.

Q5. Dynamic characteristics of DAC is

Q6. The 2’s complement binary representation of - 255 in 8 bit form is

Q7. A certain 12-bit successive approximation type A/D converter has a full-scale analogue input of 10 V. It operates at a clock frequency of 1 MHz. What is the conversion time for an analogue input of 7.5V ?

Q8. When will be the output of an AND gate is HIGH if there are three inputs, A, B, and C ?

Q9. The following circuit can act as a memory

Q10. The minimisation of logic expression is done due to

Record & Track Your Performance

February
Week # 3 Quiz 5