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kvasek [131]
4 years ago
7

Apple was a pioneer in user interface development, introducing the _____, complete with mouse and screen icons, in the early 198

0s.
a. âbinary line interface

b. âcommand line interface

c. âcharacter user interface

d. âgraphical user interface
Computers and Technology
1 answer:
nordsb [41]4 years ago
4 0
D Graphical User interface
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perpendicular for the first one

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Which precaution should you take while working on a computer
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Explanation:

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Write a C program to perform simple C arithmetic calculations. The user is to enter a simple expression (integer operator intege
Ilya [14]

Answer:

Input example:

select the funcion: 1                                                                                                                  

write the 1sd number2                                                                                                                  

write the 2nd number1                                                                                                                  

value is 2.000000                                                                                                                      

Explanation:

#include <stdio.h>

main()

{

//define the variables as float

float a, b, c, e;

char d;

while (1)  

{      

//input values

printf("select the function: ");

scanf("%c",&d);

printf("write the 1sd number");

scanf("%f",&a);

getchar();

printf("write the 2nd number");

scanf("%f",&b);

getchar();

if (d=='%')

{

    a=a*b/100;

}

if (d=='*')

{

    a=a*b;

}

if (d=='+')

{

    a=a+b;

}

if (d=='/')

{

    a=a/b;

}

if (d=='-')

{

    a=a-b;

}

printf("value is %f \n",a);

}

printf("final value is %f",a);

getchar();

}

8 0
4 years ago
Electronic type is often considered to be the latest step in the evolution of the written ______________.
Allisa [31]
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Art [367]
BOTH OF THEM ARE C : )
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