C++ : Compile and Execute

Question 1

To compile a file in c++, you’ll need to type

Answer 1

g++ followed by the file name then press enter

Question 2

To execute the new machine code file

Answer 2

all you need to do is type ./ and the machine code file name in the terminal and press enter

Question 3

For giving the specific name of the file

Answer 3

there should be -o and then the name that you want to give

g++ hello.cpp -o hello

Question 4

What you read and write is called

Answer 4

source code

Question 5

what the computer executes is called

Answer 5

executable, object code, or machine code (a machine language).

Question 6

A compiler translates the C++ program into

Answer 6

machine language code which it stores on the disk as a file with the extension .o (e.g. hello.o).

Question 7

A linker then links the object code

Answer 7

with standard library routines that the program may use and creates an executable image which is also saved on disk, usually as a file with the file name without any extension (e.g. hello). (optional, understanding is no1 priority)

Question 8

The executable is loaded from the disk

Answer 8

to memory and the computer’s CPU (Central Processing Unit) executes the program one instruction at a time.