ELEC41000 Electrical and Electronic Engineering

Running head: DIGITAL ELECTRONICS LABORATORY ASSIGNMENT
DIGITAL ELECTRONICS LABORATORY ASSIGNMENT
Name of the Student
Name of the University
Author Note

DIGITAL ELECTRONICS LABORATORY ASSIGNMENT1
Abstract:
Digital electronics is one of the most important branch in electronics which deals with
different types of digital signals comprising of binary values (1 and 0). The logic operations
with binary values are performed using logic gates which are different types of logic circuits
that perform arithmetic or logic operations. In this laboratory the different types of logic
operations are performed and their equivalence is measure with Boolean algebra to have the
in depth concept of digital electronics.

DIGITAL ELECTRONICS LABORATORY ASSIGNMENT2
Contents
Introduction:...............................................................................................................................4
Theory:.......................................................................................................................................4
Method:......................................................................................................................................5
Question 1a:............................................................................................................................5
Question 2a:............................................................................................................................7
Question 3a:..........................................................................................................................10
Question 3b:..........................................................................................................................12
Question 3c:..........................................................................................................................13
Question 4:............................................................................................................................15
Question 5a:..........................................................................................................................16
Conclusion:..............................................................................................................................18
References:...............................................................................................................................19

DIGITAL ELECTRONICS LABORATORY ASSIGNMENT3
Introduction:
In particular different concepts and logic operations were understood by designing
and answering the 10 questions in the laboratory. For answering the questions the logic
circuits are designed in Multisim and the output is compared with the output that is obtained
using the Boolean expression (Hassanein 2018). The truth table is also formed for each logic
expression. Efforts has been made for clear and concise representation of logic circuits and
used concepts to reduce the paper length.
Theory:
The equivalence of two logic circuits can be obtained either by using the Boolean
algebraic reduction (where De-Morgan’s theorem is used most of the times) or by obtaining
the truth table of two Boolean expressions (Gensler 2017). Now, in case of large logic
expressions it is often practised to reduce the expression into smaller format i.e. either Sum of
Product (SOP) or Product of Sum (POS) form. Now, most effective method to reduce a logic
expression in SOP or POS form is to form a Karnaugh map which is much simpler than
Boolean algebraic reduction (Prasad 2017). Now, throughout this assignment various
questions are answered using the Boolean reduction technique, the K-Map reduction,
obtaining outputs from equivalent Multisim circuits (Smessaert and Demey 2016).
Furthermore, some more advanced logic circuits register (which performs multiple bit
storage) and counter (counting) is build using Multisim. Towards the end, specifically in the
last two questions, a Serial In Parallel Out (SIPO) and Parallel In Parallel Out (PIPO) register
and a modulo 10 ripple counter have been designed using the combinational logic circuits in
Multisim.