Digital Logic Design (DLD) Exam | 67 QUESTIONS
and 100% Correct Answers Already Passed
Why can't we just keep compressing date over and over? - ✔✔When the limit of redundancy
has been reached for the encoding scheme, no more compression can be achieved and the data
volume may actually increase
In encoding we try to reduce redundancy in order to gain a more compact code. Are there
scenarios when we might want to increase redundancy? - ✔✔Error detection schemes
increase redundancy
Vitterbi - ✔✔Error correction decoding from trellis encoded data.
Hamming - ✔✔Developer of the notion of a distance measure for incorrect bits in a received
word.
Huffman - ✔✔Implemented a scheme to match probabilities to variable-length codewords.
Shannon - ✔✔Known as the father of information theory
True or False: with fixed-length codes, use shorter bit sequences for high probability choices,
longer sequences for less probable choices. - ✔✔False
What maintains the obligations and responsibilities of every system component? -
✔✔contracts
What does the C statement int rand(void) mean? - ✔✔Function prototype of rand function.
, What are the advantages of using voltage as a representation scheme? - ✔✔Potentially low
power in a steady state
A system is a structure that is guaranteed to exhibit _________, assuming all of its components
obey their specified behaviors. - ✔✔A specified behavior
Which of the following are important aspects of digital logic design? - ✔✔1) Understanding
behavior without knowing implementation
2) Predictable composition of functions
True or False: The goal of modular design is abstention. - ✔✔False
Is it true that we must design our systems to tolerate some amount of error if they are to
process information reliably? - ✔✔True
A combinational device is a circuit element that has: - ✔✔1) one or more digital outputs
2) one or more digital inputs
3) a functional specification
How do we implement devices with high reliability? - ✔✔We use a representation
convention that forbids a range of voltages between 0 and 1 .
What does "predictable composition" mean? - ✔✔If the parts work, the whole thing works.
What does the VTC measure? - ✔✔Static Behavior
The VTC of a buffer is: - ✔✔nonlinear and with a gain > 1
and 100% Correct Answers Already Passed
Why can't we just keep compressing date over and over? - ✔✔When the limit of redundancy
has been reached for the encoding scheme, no more compression can be achieved and the data
volume may actually increase
In encoding we try to reduce redundancy in order to gain a more compact code. Are there
scenarios when we might want to increase redundancy? - ✔✔Error detection schemes
increase redundancy
Vitterbi - ✔✔Error correction decoding from trellis encoded data.
Hamming - ✔✔Developer of the notion of a distance measure for incorrect bits in a received
word.
Huffman - ✔✔Implemented a scheme to match probabilities to variable-length codewords.
Shannon - ✔✔Known as the father of information theory
True or False: with fixed-length codes, use shorter bit sequences for high probability choices,
longer sequences for less probable choices. - ✔✔False
What maintains the obligations and responsibilities of every system component? -
✔✔contracts
What does the C statement int rand(void) mean? - ✔✔Function prototype of rand function.
, What are the advantages of using voltage as a representation scheme? - ✔✔Potentially low
power in a steady state
A system is a structure that is guaranteed to exhibit _________, assuming all of its components
obey their specified behaviors. - ✔✔A specified behavior
Which of the following are important aspects of digital logic design? - ✔✔1) Understanding
behavior without knowing implementation
2) Predictable composition of functions
True or False: The goal of modular design is abstention. - ✔✔False
Is it true that we must design our systems to tolerate some amount of error if they are to
process information reliably? - ✔✔True
A combinational device is a circuit element that has: - ✔✔1) one or more digital outputs
2) one or more digital inputs
3) a functional specification
How do we implement devices with high reliability? - ✔✔We use a representation
convention that forbids a range of voltages between 0 and 1 .
What does "predictable composition" mean? - ✔✔If the parts work, the whole thing works.
What does the VTC measure? - ✔✔Static Behavior
The VTC of a buffer is: - ✔✔nonlinear and with a gain > 1
