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3b. Safety and Computer Use1. Go through the chapter and write your definition of each key term.2. Re-read the chapter and make 1-2 A4 revision notes.3. Answer the revision questions without using your notes. Use your notes/the book to mark/work out the answers so that you can mark them.TIME YOURSELF! Questions - 1 minute per markLook up the Computer Science Tutor on YouTube for more lessons.You may find that some of the questions refer to other chapters - it is good revision!!Chapter 3b Safety and Computer UseThere are no key terms for this - please make notes and answer the questions.Chapter 3b Safety and Computer Use NotesRevision QuestionsDescribe three essential safety practices when using computers daily? (6 marks)____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________Describe three main security measures required when using an internet-connected computer. (6 marks)____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________What is important when creating a secure password? (3 marks)________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________What is an IP Address? (2 marks)______________________________________________________________________________________________________________________________________________________________________________________________________________________________What is meant by the terms legal and ethical use in relation to computer software? (5 marks)____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________Give an example of a logical error in your chosen programming language. (3 marks)________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________A programmer is developing a new program. Describe the types of errors he or she should check for. (4 marks)________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________Describe 4 methods that a programmer can use to test for errors when programming. (8 marks)________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________Explain the differences between verification and validation. (4 marks)________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________A running club uses a computer to record training data for its members. After each run the total time and the number of laps are stored for each runner.a) A subprogram is used to calculate each runner's average time per lap.Write an algorithm to calculate the average time. (2 marks)b) A subprogram will be written in a high-level language.i) Explain one benefit of using high-level programming language for this subprogram. (2 marks)____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ii) Give one reason why programmers use subprograms. ( 1 mark)______________________________________________________________________________________________________________________________________________________c) A runner completes four laps of the track.A bubble sort algorithm is used to sort the lap times into ascending plete the table to show Pass 1 and Pass 2 of the bubble sort. (2 marks) ................
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