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CHE ALL SUBJECTS PAST PAPERS
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CHE201 PAST PAPERS
CHE301 PAST PAPERS
Debugging
Another important tool is Debugger. Every programmer should be familiar with it.
Debugger is used to correct system errors i.e. correct logical errors. Use
debugger we can control our system while it is running. We can stop the killing
of our system from time to time and can look at the values of different variables, can
change these values etc. In this way we can track logical errors in our system as well
can see if our system is producing the right results. This is a great tool
it is powerful, so it is also complex. CHE ALL SUBJECTS PAST PAPERS
Coordinator
Most of the time our system uses the various processes and functions available
in different files, which is why it requires a valid code for those practices / functions.
Linker is a tool that does this work, scans our system and integrates all of those
the processes or activities that we use in our system to create independence
usable code and this process is called Linking
r usable system connected and stored on disk and ready. CHE ALL SUBJECTS PAST PAPERS
execution. We need another process that loads the program into memory then
instruct the processor to start the program from the first command
(The first place for the whole C system comes from the main function). The processor
known as a loader. Linker and loaders are part of the development environment. These
are part of the system software.
The following figure represents a pictorial representation of all the steps involved
writing and programming. # include: This is a pre-processor directive. It is not part of our program; it is
command to the moderator. Tells the C-organizer to upload the contents of the file, to
in this case the system file iostream.h. Compiler knows the system file, too
therefore look for a special place. Preprocessor features will be discussed
later. Ours also known as HASH and also known as SHARP.
<iostream.h>
This is the file name of the library description for all Input Outputs. Yours
The program will probably want to send things to the screen and read things in t
keyboard. iostream.h is the file name with the code to perform that function