Program C++ to convert octal number into binary

By: Prof. Dr. Fazal Rehman | Last updated: October 21, 2023

Write a program in C++ to convert an octal number into binary.

C++ program to convert an octal number into binary

Flowchart of C++ Program to convert an octal number into binary

Flowchart of C++ Program to convert octal number into binary

C++ Program Source Code to convert an octal number into binary

Output Enter a number in octal (between 0 – 7) : 6 Octal number into Binary number 110

Excercise

Find the possible mistakes in the following Shamil’s Flow Table of the program in C++ to convert an octal number into binary.
loop num=57 Loop Condition if condition what line will execute Actual work to do
True 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 18, 19, 20, 21 d=j%10 d=57%10, d=7 p=p*1, p=1 decmal=decmal+ (d*p), decmal=7 i++,  j=57/10 j=5
J=5>0 True False 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 18, 19, 20, 21, 22, 11, 12, 13, 14, 16, 17, 18, 19, 20, 21 d=5%10, d=5 p=1*8, p=8 decmal=7+(5*8), decmal=47 i++, j=5/10 j=0
j=0>0 False 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 18, 19, 20, 21, 22, 11, 12, 13, 14, 16, 17, 18, 19, 20, 21, 22,23, 24,25,26,27,28,29,30,31 binary=binary+(decmal % 2)*i binary=0+(47%2)*i, binary=1 i=i*10, i=10 decmal=decmal/2, decmal=23 j=47/2,  j=23
j=23>0 True 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 18, 19, 20, 21, 22, 11, 12, 13, 14, 16, 17, 18, 19, 20, 21, 22,23, 24,25,26,27, 28,29, 30, 31, 32, 25,26,27,28,29, 30,31 binary=1+(23%2)*10 binary=11,  i=100 decmal=23/2 decmal=11 j=23/2,  j=11  
j=11>0 True 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 18, 19, 20, 21, 22, 11, 12, 13, 14, 16, 17, 18, 19, 20, 21, 22,23, 24,25,26,27,28,29,30,31,32,25,26,27,28,29,30,31,32,25,26,27,28,29,30,31 binary=11+(11%2)*100 binary=111,  i=1000 decmal=11/2 decmal=5, j=11/2 j=5  
j=5>0 True 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 18, 19, 20, 21, 22, 11, 12, 13, 14, 16, 17, 18, 19, 20, 21, 22,23, 24,25,26,27,28,29,30,31,32,25,26,27,28,29,30,31,32,25,26,27,28,29,30,31 binary=111+(5%2)*1000 binary=1111,  i=10000 decmal=5/2 decmal=2 j=5/2,   j=2
j=2>0 True 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 18, 19, 20, 21, 22, 11, 12, 13, 14, 16, 17, 18, 19, 20, 21, 22,23, 24, 25, 26, 27, 28, 29, 30, 31,32, 25, 26, 27, 28, 29, 30, 31, 32, 25, 26,27, 28, 29, 30, 31, 32, 25, 26, 27, 28, 29, 30, 31, binary=1111+(2%2)* 10000 binary=1111,  i=100000 decmal=2/2 decmal=1 j=2/2,  j=1
j=1>0 True 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 18, 19, 20, 21, 22, 11, 12, 13, 14, 16, 17, 18, 19, 20, 21, 22,23, 24,25, 26, 27, 28, 29, 30, 31, 32, 25, 26, 27, 28, 29, 30,31,32, 25, 26, 27,28, 29, 30, 31, 32, 25,26, 27, 28, 29, 30, 31, 32, 25, 26,  27, 28, 29, 30, 31, binary=1111+(1%2)* 100000 binary=101111,  i=1000000 decmal=1/2 decmal=0 j=1/2,  j=0  
j=0>0 False 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 18, 19, 20, 21, 22, 11, 12, 13, 14, 16, 17, 18, 19, 20, 21, 22,23, 24,25,26,27,28, 29,30,31,32,25, 26,27,28,29,30,31, 32,25,26,27,28, 29,30,31,32,25, 26, 27, 28, 29, 30, 31, 32, 25,  26,  27, 28, 29, 30, 31, 32, 33, 34 Print octal to binary 57=101111

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