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Can we execute any simple program without installing any operating system?

Asked By: Anurag | Asked On: Apr 26th, 2006

I think no,can u suggest?

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Answered by: kunal kaushal

Answered On : Jul 24th, 2006

No! we can not run any simple program with out using any interface such as operatin systen or System software. but in some cases like Machine level languge or firmware run without any software because it directlly communicate with hardware and makes the hardware active so other program can run using his platform.

Answered by: Siba Ranjan Biswal on: Feb 11th, 2014

Yes a program can be executed with out operating system..for example the boot executable program runs in systems while no operating system is available prior to it.

Answered by: kaaka on: Feb 8th, 2008

Havent u guys heard of Assembly Language??? A microprocessor kit?? They dont have OS... But still we execute programs......

What is actually meant for buffer? How does it work

Asked By: rohit dwivedi9450 | Asked On: Mar 24th, 2007

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Answered by: Ankur

Answered On : Jul 14th, 2007

Buffer is something that is used to hold the data temporarly.
Ex-
If we are watching any thing online,then buffering of data takes place i.e for sometime data get stored in buffer then processed.

Answered by: Anis Madarkhan on: Jul 10th, 2013

Data buffer In computer science , a *buffer* is a region of a physical memory storage used to temporarily store data while it is being moved from one place to another. Typically, the data is stor...

Answered by: jana05 on: Jan 11th, 2008

Its a temporary location where you can preserve the data. For example when you want to swap 2 nos like x=2 and y=5, so that after swaping you get x=5 and y=2. One method wud be to use a temporary vari...

Write a C program to reverse the string without using strrev() function?

Asked By: vigneshwaran | Asked On: Jan 18th, 2006

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Answered by: Rohan

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Member Since Nov-2005 | Answered On : Feb 18th, 2006

#include <stdio.h>
#include <conio.h>
#include <string.h>

void main()
{
   char *str;
   int i,len;

  //not using any temp variable and assume we can use only string array and   length

   printf("Enter String : ");
   scanf("%s",str);
   len=strlen(str)-1;
   for(i=0;i<strlen(str)/2;i++)
   {
         str[i]+=str[len];
         str[len]=str[i]-str[len];
         str[i]=str[i]-str[len--];
   }
   printf("Reverse String is : %s",str);
   getch();
}

Answered by: Ankur Verma on: May 18th, 2013

Code
  1.  
  2. #include <stdio.h>
  3. #include <string.h>  
  4. void main()
  5. {  
  6. int len=0,i=0;  
  7. char s[16]="virendra";      
  8. while (*(s+len) !=)
  9. {    
  10. len++;
  11. }  
  12. printf("%d",len);      
  13. for (i=0;i<=(len)/2;
  14. i++)
  15. {      
  16. printf("  i:
  17. %d len:%d and s[i]:
  18. %c s[len-1]:%c",i,len-1,s[i],s[len-1]);           s[i]+=s[len-1];    
  19. s[len-1]=s[i]-s[len-1];    
  20. s[i]-=s[len-1];            
  21. len--;  
  22. }  
  23. printf(" ");  
  24. puts(s);
  25. }
  26.  

Answered by: sunny on: Apr 25th, 2013

It is asking for prototype ..???

Difference between computer architecture, structure, and organization

Asked By: mr_tiep | Asked On: May 7th, 2013

Please explain difference among the three terms

What is the diff between review and walkthough?

Asked By: suvathi | Asked On: Feb 1st, 2013

1.What is the dif between review and walkthrough? on testing perspective ,who will do review and walkthrough?Clarify with an real example? 2.What is meant by inspection and who will lead the inspection and roles involved in inspection?

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Answered by: BA_Apprentise

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Member Since Apr-2013 | Answered On : Apr 18th, 2013

In laymans term walk-through is nothing but running thru the requirements while review is making an analysis of the progress and if the case may be a change has to be recommended

Answered by: anji on: Apr 25th, 2013

Review if more formal than walkthrough .Walkthrough is done with a purpose of gain understanding of system and learning.

Answered by: BA_Apprentise on: Apr 18th, 2013

In laymans term walk-through is nothing but running thru the requirements while review is making an analysis of the progress and if the case may be a change has to be recommended

How to execute 13,000 test cases in a faster way in manual testing?

Asked By: shrishop | Asked On: Jan 29th, 2013

Answered by: aswini on: Apr 2nd, 2013

Cannot execute 13,000 FTS faster. First need to analyse the severity and priority of the functionality wise and then the selected test alone have to execute

Answered by: kumar on: Mar 3rd, 2013

Cannot execute 13,000 FTS faster. First need to analyse the severity and priority of the functionality wise and select the test cases.

Need help with negative test scenario.

Asked By: apaudel | Asked On: Mar 4th, 2013

Verizon has bundle choice of 3 products with $25 discount=123 for 3 products purchased there is a total of 5 products high speed internet, cable, voip, cell phone, lan line. Each are $50 so if you purchase 3 for 125 then add 2 cost is 200... Here is the problem I need example of negative case of if customer...

How to differentiate the websites of different technologies!!!!

Asked By: Ishant1 | Asked On: Jan 30th, 2013

Hello guys, i must really appreciate you all. I was so shocked to check the knowledge of people on this website. they are so deep and so much focused well done guys. i just have one simple question, if anyone can help. i know the difference of programming languages such as Java, net, PHP, etc.I just...

Iterative vs spiral testing

Asked By: nbhavani20 | Asked On: Jan 23rd, 2013

What is the basic difference between iterative and spiral testing?

Load controller connection to load generator

Asked By: sharmasantoshk | Asked On: Nov 7th, 2012

In loadrunner, controller is installed on one machine and load generator is installed on another machine, how load controller is connected to load generator?

What is the part of compiler that keeps track of names and their attributes?

Asked By: xyz10 | Asked On: Oct 1st, 2012

A) compile table b) symbol table c) table d) logical table

Answered by: Munna on: Oct 25th, 2012

Symbol table

Define raster and vector data.

Asked By: niamat Faizi | Asked On: Aug 28th, 2011

Define raster and vector data. Explain what is the difference between raster and vector data?

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Answered by: Sandhya.Kishan

View all answers by Sandhya.Kishan

Member Since Mar-2012 | Answered On : Jul 4th, 2012

Raster data is a set of horizontal lines composed of individual pixels, used to form an image on a CRT or other screen.Raster data makes use of matrix of square areas to define where features are located. These squares are typically of uniform size, and their size determines the detail that can be maintained in the dataset.Raster data represent square areas, they describe interiors rather than boundaries. Vector data use X and Y coordinates to define the locations of points, lines, and areas (polygons) that correspond to map features, vector data tend to define centers and edges of features.They are excellent for capturing and storing spatial details

Answered by: Sandhya.Kishan on: Jul 4th, 2012

Raster data is a set of horizontal lines composed of individual pixels, used to form an image on a CRT or other screen.Raster data makes use of matrix of square areas to define where features are loca...

Manual tester

Asked By: gal123 | Asked On: Jun 22nd, 2012

Hi I am planning to start a career as a manual tester ,is taking a course compulsory or can I get the subject by referring through information on internet?,does manual testers use any tools in real time ?

Answered by: Vinayak82 on: Jul 4th, 2012

Not necessary that you have to take any course provided if you are not fresher. Suppose if you are working in any company as design engineer, then as you have the domain knowledge working as end user....

Basic elements of a picture in volume graphics

Asked By: Rujul | Asked On: Mar 18th, 2007

The basic elements of a picture in volume graphics is 1. Pixel 2. Volsel 3. Voxel 4. EIther pixel or voxel

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Answered by: Sandhya.Kishan

View all answers by Sandhya.Kishan

Member Since Mar-2012 | Answered On : Jul 4th, 2012

The basic elements of a picture in volume graphics is voxel.

Answered by: Sandhya.Kishan on: Jul 4th, 2012

The basic elements of a picture in volume graphics is voxel.

Answered by: sanjayit on: Dec 31st, 2008

Pixel

What are application clusters in crm?

Asked By: sumantakshay | Asked On: May 16th, 2007

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Answered by: Sandhya.Kishan

View all answers by Sandhya.Kishan

Member Since Mar-2012 | Answered On : Apr 17th, 2012

CRM application cluster is a software that ranges in size and complexity making it possible for an organization to select the type of software needed the most. It consists of how a customer is related to sales,marketing and fulfillment,customer service and support,retention and loyalty program and contact and account management.

Answered by: Sandhya.Kishan on: Apr 17th, 2012

CRM application cluster is a software that ranges in size and complexity making it possible for an organization to select the type of software needed the most. It consists of how a customer is relate...

Stacks task

Asked By: mohit23bisht | Asked On: Aug 8th, 2010

What kind of useful task does stacks support?

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Answered by: Sandhya.Kishan

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Member Since Mar-2012 | Answered On : Apr 17th, 2012

Stack supports four major computing areas,they are 1.expression evaluation 2.subroutine return address storage 3.dynamically allocated local variable storage and 4.subroutine parameter passing.

Answered by: Sandhya.Kishan on: Apr 17th, 2012

Stack supports four major computing areas,they are

1.expression evaluation
2.subroutine return address storage
3.dynamically allocated local variable storage and
4.subroutine parameter passing.

Two-dimensional arrays

Asked By: sony24 | Asked On: Jul 7th, 2009

A two-dimensional array x (7,9) is stored linearly column-wise in a computer's memory. Each element requires 8 bytes for storage of the value. If the first byte address of x (1,1) is 3000, what would be the last byte address of x (2,3)?

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Answered by: Sandhya.Kishan

View all answers by Sandhya.Kishan

Member Since Mar-2012 | Answered On : Apr 17th, 2012

use the formulae X(i,j)=Base+w[n(i-1)+(j-1)] where m=7 ,n =9 ,i=2 ,j=3 hence 3000+8*[9(2-1)+(3-1)] =3000+8*(9+2) =3000+8*11=3088

Answered by: Sandhya.Kishan on: Apr 17th, 2012

Use the formulae

X(i,j)=Base+w[n(i-1)+(j-1)]

where m=7 ,n =9 ,i=2 ,j=3

hence 3000+8*[9(2-1)+(3-1)]

=3000+8*(9+2)

=3000+8*11=3088

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