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Sia ? 5 years, 4 months ago
Computer memory is any physical device capable of storing information temporarily like RAM (random access memory), or permanently, like ROM (read-only memory). Memory devices utilize integrated circuits and are used by operating systems, software, and hardware.
Dushar Bishnoi 5 years, 4 months ago
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- Booting.
- Memory Management.
- Loading and Execution.
- Data Security.
- Disk Management.
- Process Management.
- Device Controlling.
- Printing Controlling.
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Data are simply facts or figures — bits of information, but not information itself. When data are processed, interpreted, organized, structured or presented so as to make them meaningful or useful, they are called information. Information provides context for data.
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From 1969 to 1971, Intel developed the Intel 4004, an early microprocessor that laid the foundations for the microcomputer revolution that began in the 1970s.
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They are both the same thing but, IDLE is made to write python code so its better if you can to write on IDLE. You can also try Notepad++ its a pretty good program to write code on.
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#include <iostream>
using namespace std;
int main() {
int width, lngth, area, peri;
cout << "\n\n Find the Area and Perimeter of a Rectangle :\n";
cout << "-------------------------------------------------\n";
cout<<" Input the length of the rectangle : ";
cin>>lngth;
cout<<" Input the width of the rectangle : ";
cin>>width;
area=(lngth*width);
peri=2*(lngth+width);
cout<<" The area of the rectangle is : "<< area << endl;
cout<<" The perimeter of the rectangle is : "<< peri << endl;
cout << endl;
return 0; }
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Sia ? 5 years, 5 months ago
It is given that {tex}\alpha{/tex} and {tex}\beta{/tex} are the zeros of the quadratic polynomial{tex}f(x)=ax^2+bx+c{/tex}
{tex}\therefore \quad \alpha + \beta = - \frac { b } { a } \text { and } \alpha \beta = \frac { c } { a }{/tex}
Now,
{tex}\alpha ^ { 2 } + \beta ^ { 2 } {/tex}
{tex}=\alpha ^ { 2 } + \beta ^ { 2 }+2\alpha\beta-2\alpha\beta{/tex}
{tex}= ( \alpha + \beta ) ^ { 2 } - 2 \alpha \beta{/tex}
{tex}\therefore \quad \alpha ^ { 2 } + \beta ^ { 2 } = \left( \frac { - b } { a } \right) ^ { 2 } - \frac { 2 c } { a } = \frac { b ^ { 2 } - 2 a c } { a ^ { 2 } }{/tex}
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Shivam J 5 years, 4 months ago
1Thank You