IGNOU BCA BCSL-021 is very important subject not only for 2nd sem students but for next sem students also. C programming based topics are present in 3rd,4th,5th and 6th sem subjects.
If you are not familiar with in this semester witg C, then very difficult for next semesters to complete. so we sharing detailed tutorial on BCSL-21 C langue programming.
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Part 1 : C programming tutorial
IGNOU BCA 2018 Complete guide for clueless BCA students 