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KwickClips C · 44 sec · free

Which file does compiling make?

Short answer. The object file, hello.o.

What does the linker add?

Library code.

Four steps

StepFile made
Edithello.c
Compilehello.o
Linkhello.exe
Runoutput

Remember

Edit, compile, link, run
Linker adds library code

The computer reads only zeros and ones. So how does C code run? It takes four steps. Edit makes hello dot c. Compile makes hello dot o. Link adds library code. Run shows output. Edit, compile, link, run. The linker adds library code.

This clip is from the full lesson: Introduction to C: Structure and Life Cycle of a C Program — 8 minutes, with the tables, the quick answers and the whole lesson in text.

Useful for: GSEB Std 10 Computer Studies, Programming All levels C, Programming All levels C, Programming All levels C

More KwickClips from this lesson

Table: OS Linux, devices washer chip, compilers Python, all using C.Why is C still used?42 secC code: #include <stdio.h>, int main() with printf("Hi\n") and return 0, output Hi.Where does a C program start running?41 secTerminal: gcc hello.c -o hello, then ./hello prints Hello.What does gcc do?43 sec
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