How does computer know that overflow has happened, Computer Engineering

Assignment Help:

Q. How does computer know that overflow has happened?

Illustration: Add numbers 65 and 75 in 8 bit register in signed 2's complement notation. 

1764_How does computer know that overflow has happened.png

Here expected result is +140 however binary sum is a negative number and is equal to -116 that obviously is a wrong result. This has happened on account of overflow.

How does computer know that overflow has happened?

If the carry in the sign bit isn't equal to carry out of sign bit then overflow should have happened.

Another general test of overflow is: if the sign of both operands is same at the time of addition then overflow should have occurred if sign of resultant is different than that of sign of any operand.


Related Discussions:- How does computer know that overflow has happened

Illustration of disk formatting, Q. Illustration of disk formatting? An...

Q. Illustration of disk formatting? An illustration of disk formatting is displayed in Figure below. In this case every track comprises 30 fixed-length sectors of 600 bytes eac

What is binary, Binary is an alternative number system which works very goo...

Binary is an alternative number system which works very good for computers. Humans have ten fingers; that's probably why we use ten digits (0, 1, 2, 3, 4, 5, 6, 7, 8, and 9) in our

Differentiate between exception and validation testing, Differentiate betwe...

Differentiate between exception and validation testing. - Validation testing is done to test the software in conformance to the needs specified. It aims to demonstrate that the

Function of host to host transport layer in tcp/ip protocol, Illustrate the...

Illustrate the function of host to host transport layer in TCP/IP protocol stack? Function of Host - to-Host Transport Layer: This protocol layer just above inter network

Explain system software with system programming, Explain the evolution of s...

Explain the evolution of system software with system programming. System-software is collection of system programs which perform a variety of functions, name are: file editing,

A full binary tree with ''n'' non-leaf nodes, A full binary tree with 'n' n...

A full binary tree with 'n' non-leaf nodes have  2n+l nodes.

How can we set the table spaces and extent sizes, How can we set the table ...

How can we set the table spaces and extent sizes? You can state the extent sizes and the table space (physical storage area in the database) in which a transparent table is to

Over fitting considerations, Over fitting Considerations : Hence in le...

Over fitting Considerations : Hence in left unchecked there backpropagation in multi-layer networks can be highly susceptible to overfitting itself to the training examples. B

#title, what are the applications of microprogramming

what are the applications of microprogramming

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