IB Computer Science Topic B2.5 File Processing…

how a program determines it has reached the end of the file when reading line by line.

A national park trail counter adds a new line to a log file each time a walker passes, keeping every earlier line. the file access mode the program must use.

A swimming pool runs two programs at the same time. One appends chemical readings to a log file; the other reads the whole file to produce a compliance report. During a report the first program adds several lines.

why the report may describe a file state that never existed as a complete file.

why the reading program may also see a partial line.

A cheese factory batch log currently reads its entire file into a list before processing. The file has grown from 300 lines to 30 million lines. why processing the file line by line is now preferable.

An owl nest camera stores its detection times in a text file.

two operations a program can perform on a text file once it has been opened.

two designs that would make the report reliable.

IB Computer Science Topic B2.5: File Processing Questionbank

IB Computer Science Topic B2.5: File Processing Questionbank

IB Computer Science Topic B2.5: File Processing Questionbank

IB Computer Science Topic B2.5: File Processing Questionbank

IB Computer Science (First Exam 2027) Topic B2.5 File Processing Questionbank