DLD Final Exam Questions and Answers

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26/11/2024 10:59AM

DLD Final Exam Questions and Answers


Key elements of system engineering typically outlive the technologies they interface to.


Answers:
• True

• False - Answers✓✓Answer: False


What makes a good system design
(Check all that apply):


Answers:
• "Bang for the buck": delivered by minimal mechanism, maximal function
• Reliable in a wide range of environments
• Accommodating of future technical improvements

• Efficient system engineering techniques - Answers✓✓Answer:
1) "Bang for the buck": delivered by minimal mechanism, maximal function
2) Reliable in a wide range of environments
3) Accommodating of future technical improvements


Wrong:
4) Efficient system engineering techniques

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26/11/2024 10:59AM

Hierarchical design yields:


Answers:
• Limited complexity at each level and reusable building blocks
• "Bang for the buck" and reusable building blocks.
• Reliability and reusable building blocks

• Limited complexity at each level and reliability - Answers✓✓Answer:
A) Limited complexity at each level and reusable building blocks


"6004" is:


Answers:
• The course at MIT that ELEN3431 is modeled after.
• The year that computers will achieve sentience; i.e., the singularity
• The number of 8-bit words in a 64K memory.

• A microprocessor made by Intel. - Answers✓✓Answer:
A) The course at MIT that ELEN3431 is modeled after.


Acronyms—match the acronym with what it means.


Answers:
A) IC
B) CMOS
C) PCB

D) MOSFET - Answers✓✓Answer:

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26/11/2024 10:59AM

A) IC - Integrated Circuit
B) CMOS - Complementary Metal Oxide Semiconductor
C) PCB - Printed Circuit Board
D) MOSFET - Metal-Oxide Field Effect Transistor


Does engineering ever use tricks to get the job done?


Answers:
A) Yes

B) No - Answers✓✓Answer:
A) Yes


What does the acronym "ASCII" mean?


Answers:
A) Accrued Scholastic Council Information Inclusive
B) Asynchronous Sequential Coding Into Information
C) American Stated Conditions for Inclusive Information

D) American Standard Code for Information Interchange - Answers✓✓Answer:
D) American Standard Code for Information Interchange


Assume that "173" is an octal number. What is it in binary?


Answers:
A) 101110011

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26/11/2024 10:59AM

B) 10000111000111
C) 1101010101

D) 1111011 - Answers✓✓Answer:
D) 1111011


Assume that "173" is a hexadecimal number. What is it in binary?


Answers:
A) 101110011
B) 10000111000111
C) 1101010101

D) 1111011 - Answers✓✓Answer:
1) 101110011


If we use 2's complement for signed integers, we...


Answers:
A) ...can avoid using signed-magnitude numbers.
B) ...must use signed-magnitude algebra.
C) ...cannot subtract a negative number from a negative number.

D) ...can use addition rules for subtracting. - Answers✓✓Answer:
D) ...can use addition rules for subtracting.


How is a Hexadecimal number identified?