9.In which of the following scenarios may pointers be utilized in ANSI C? O A set of functions which collect data from sensors and adjust an output value based on a linear control algorithm O A set of...

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Extracted text: 9.In which of the following scenarios may pointers be utilized in ANSI C? O A set of functions which collect data from sensors and adjust an output value based on a linear control algorithm O A set of functions implementing useful mathematical functions, in which operands are passed in as argument and the retum type given through the return value O A set of functions which search through data records stored in memory as structs looking for a match between a given argument and a particular field of the struct O A set of functions responsible for handling a set of data records such that the sequence of the records is important, but records are not stored consecutively in menmory O A set of function which compare elements of an array in place and rearrange them in order according to the same mumber 11.A user opens an existing file for editing by issuing the "vi my_file' command and moves the cursor to the 70th line. The editor is not in INSERT mode. Which of the following statements correctly describe the results of executing a?^a.*d$?-1 command? O It will search backwards (from the curent cursor position) for a word that begins with 'a' and ends with 'd'. O If the search is successful the cursor will move to the line before the line containing the search string. O It will search backwards (from the line above the current line) for a word that begins with 'a' and ends with 'd'. O It will search backwards (from the line above the curent line) for a line that begins with 'a' and ends with 'd'. O If the search is successful the cursor will move to the line containing the search string. 12.A user opens an existing file for writing by issuing the 'vi my_file' command and has not performed any editing actions. Which of the following statements are correct? O The :1,2w my_old_file command will always save the first two lines in file my_old_file . O The w $.zz command will attempt to copy to file my_file to file my_file.zz. O The :e# command will cause the editor to reread the file. O The zz command will cause the editor to be excited. O the :ws command will share the file currently being edited