GCC Compiler Questions & Answers – Various Options -1

1. Which one of the following command creates the executable file a.out?
a) gcc -o sanfoundry.c
b) gcc sanfoundry.c
c) gcc -o a.out
d) gcc a.out
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2. If we compile the sanfoudry.c file with the command “gcc -o sanfoundry sanfoundry.c”, then the executable file will be
a) a.out
b) sanfoundry
c) sanfoundry.out
d) none of the mentioned
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3. If we compile the sanfoundry.c file with the command “gcc -c sanfoundry.c”, then the output file will be
a) sanfoundry.o
b) sanfoundry.s
c) sanfoundry.i
d) none of the mentioned
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4. Which gcc option includes debugging info in the generated object code?
a) -g
b) -c
c) -p
d) none of the mentioned
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5. The command “gcc -S sanfoundry.c” will
a) stop compilation process after the generation of assembly code file
b) generate sanfoundry.s file
c) stop compilation process after the generation of assembly code file & generate sanfoundry.s file
d) none of the mentioned
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6. Which gcc option stops compilation process after preprocessing stage?
a) -e
b) -f
c) -E
d) -F
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7. The -v option of gcc
a) print the commands executed to run the stages of compilation
b) version of the gcc compiler
c) all of the mentioned
d) none of the mentioned
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8. Which gcc option turns off certain features of gcc that are incompatible with ISO C89?
a) -ansi
b) -ISO
c) -ver
d) none of the mentioned
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9. The option -fsyntax-only of gcc
a) checks the code for syntax error
b) checks the code for fatal error
c) checks the code for syntax & fatal error
d) none of the mentioned
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10. Which option of gcc inhibit all warning messages?
a) -w
b) -x
c) -y
d) -z
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