This program example of forward declartion is in Pascal, I want to write it in Prolog language 2 Program calculateavg;3\var4 a,b,c, sum: integer;5 avg :Double;7 function findsum(x,y,z: integer; var sum: integer): integer; forward;8.9 function findavg(x,y,z: integer; var average: Double): Double;10- beginaverage: findsum(x,y,z, sum);average:average/3;111213 end;1415 function findsum(x,y,z: integer; var sum: integer): integer;16 begin17SUm:18 end;Xy+z;1920- beginwriteln('program to calculate the average of 3 numbers');write ('Enter the value of a: ');readln (a);write ('Enter the value of b: );readin (b);write ('Enter the value of c: ');readln (c);findavg(a,b,c, avg);writeln('average is =', avg);21222324252627282930 end.

In this program we have to code a program in prolog where we need to convert the Pascal code into…

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This program example of forward declartion is in Pascal, I want to write it in Prolog language

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Question

This program example of forward declartion is in Pascal, I want to write it in Prolog language

2 Program calculateavg;
3\
var
4 a,b,c, sum: integer;
5 avg :Double;
7 function findsum(x,y,z: integer; var sum: integer): integer; forward;
8.
9 function findavg(x,y,z: integer; var average: Double): Double;
10- begin
average: findsum(x,y,z, sum);
average:average/3;
11
12
13 end;
14
15 function findsum(x,y,z: integer; var sum: integer): integer;
16 begin
17
SUm:
18 end;
Xy+z;
19
20- begin
writeln('program to calculate the average of 3 numbers');
write ('Enter the value of a: ');
readln (a);
write ('Enter the value of b: );
readin (b);
write ('Enter the value of c: ');
readln (c);
findavg(a,b,c, avg);
writeln('average is =', avg);
21
22
23
24
25
26
27
28
29
30 end.

Process by which instructions are given to a computer, software program, or application using code.

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