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

Basic working of semiconductors, Q. Basic working of Semiconductors? Se...

Q. Basic working of Semiconductors? Semiconductors are crystalline solid materials whose resistivities have values between those of conductors and insulators. Conductivity rang

Signed 1’s complement representation, Q. Signed 1s complement representatio...

Q. Signed 1s complement representation? Another possibility that is also simple is use of signed 1's complement. Signed 1's complement has a principal. Add both numbers includi

Dynamic programming problem, KK manufacturing company is faced with demand ...

KK manufacturing company is faced with demand for its product in each of the next four periods as shown in Table 1.  It must decide upon a production schedule to meet these demands

Liquid crystal displays, LCDs are the screens of choice for lightweight scr...

LCDs are the screens of choice for lightweight screens andportable computers. They consume very little electricity and have advanced technically to quite good resolutions and colou

What are transmission bridges, What are transmission bridges? A usual ...

What are transmission bridges? A usual transmission bridge is demonstrated in figure. The series capacitance and the shunt inductances of the two relays give a high-pass filte

What is inode, What is 'inode'? All UNIX files have its description kep...

What is 'inode'? All UNIX files have its description kept in a structure called 'inode'. The inode have info about the file-size, its location, time of last access, time of las

Determine the statement for array, Q. Determine the statement for array? ...

Q. Determine the statement for array? Determine the statement ALIGN A[i] WITH B[i] This statement aligns every A[i] with B[i] as displayed in Figure below. Figure

Qualitative independent variable, Let Consider a multiple regression model ...

Let Consider a multiple regression model for a response y, with one quantitative idividually variable x1, and one qualitative variable at three levels. a)    Write a first-order m

Explain the processor-memory interconnection network (pmin), Processor-Memo...

Processor-Memory Interconnection Network (PMIN): It's a switch which attaches several processors to distinct memory modules. Connecting each processor to every memory module in

How call processing takes place, How call processing takes place? Fund...

How call processing takes place? Fundamental Call Procedure: Fig. demonstrates a simplification diagram exemplifying how two telephone sets (as subscribers) are interconnecte

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