Principles of logic circuits, Computer Engineering

Assignment Help:

A logic gate is an electronic circuit that generates a typical output signal which depends on its input signal. Output signal of a gate is a general boolean operation of its input signal. Gates are fundamental logic elements which generate signals of binary 1 or 0.  We can signify any Boolean function in form of gates.

In general we can signify every gate by a distinct graphic symbol in addition its operation can be given through algebraic expression. To signify input-output relationship of binary variables in every gate truth tables are used. Notations and truth -tables for various logic gates are shown in Figure below.

1764_Principles of logic circuits.png

Figure: Logic Gates

Truth table of NAND and NOR can be made from NOT (A AND B) and NOT (A OR B) correspondingly. Exclusive OR (XOR) is a special gate whose output is one only if two inputs aren't equal. Inverse of exclusive OR known as XNOR gate can be a comparator that will generate a 1 output if two inputs are equivalent.

Digital circuits use just one or two kinds of gates for simplicity in fabrication purposes. So one should think in terms of functionally complete set of gates. What does functionally complete set means? A set of gates by that any Boolean function can be realized is known as a functionally complete set. Functionally complete sets are: [AND, NOT], [NOR], [NAND], [OR, NOT].


Related Discussions:- Principles of logic circuits

Time complexity, Take a look at the code and try to understand the logic, p...

Take a look at the code and try to understand the logic, particularly, the way scrambled words are disambiguated, i.e.., whether they are matched successfully against a correct wor

Determine the disadvantages of fact finding, Determine the Disadvantages of...

Determine the Disadvantages of fact finding -  People are usually uncomfortable being watched and may work in a different way -  What they are watching may not be represent

Identify free memory areas in allocation and de-allocations, Name and expla...

Name and explain the popular techniques to identify free memory areas as a result of allocation and de-allocations in a heap. Two well-liked techniques to identify free memory

Diffrence between cd-r vs cd rw, Q. Diffrence between CD-R vs CD RW? A ...

Q. Diffrence between CD-R vs CD RW? A CD-R disc looks same as a CD. Though all pressed CDs are silver, CD-R discs are gold or silver on their label side and a deep cyan or gree

Define range which a normalised mantissa can signify, Now let's define rang...

Now let's define range which a normalised mantissa can signify. Let's presume that our present representations has normalised mantissa so left most bit can't be zero so it has to b

Explain bitwise-exclusive-or operator, Bitwise-Exclusive-OR Operator: ^ ...

Bitwise-Exclusive-OR Operator: ^ exclusive-OR-expression : AND-expression exclusive-OR-expression ^ AND-expression The  bitwise-exclusive-OR  operator  (^)  compares

Explain about operand address calculation, Q. Explain about Operand Address...

Q. Explain about Operand Address Calculation? In actual machines effective address can be a register address, memory or I/O port address. Register reference instructions for ex

What is macro, A series of keystrokes and mouse clicks that can be abbrevia...

A series of keystrokes and mouse clicks that can be abbreviated into a one keystroke or mouse click.

Explain bus interface unit, Q. Explain Bus Interface Unit? BIU (Bus Int...

Q. Explain Bus Interface Unit? BIU (Bus Interface Unit) mainly interacts with system bus. It executes nearly all the activities relating to fetch cycle like:  Computing

Why do we need registers, Why do we need Registers? If t cpu is cycle...

Why do we need Registers? If t cpu is cycle time of CPU which is the time taken by CPU to execute a well-defined micro-operation employing registers and t mem is memory cycl

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd