1) A file which stores data in the same way as stored in the memory is- a) text file b) csv file c) binary file d) all of the above 2) 'r+' mode is used to? a) read b) write c) append d) read and write 3) chdir() from os is used to- a) display the current directory b) delete the directory c) change the current dirctory d) create directories in current directory 4) select the incorrect statement a) binary file can store different types of data b) a file is created for permanent storage of data c) we can't read a binary file using text editor d) remove() is used to delete a directory 5) changes made, can be reflected and can be undone in- a) text file b) csv file c) none of the above d) both (a)and (b)

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