Computer Science > QUESTION PAPER & MARK SCHEME > AQA A-level COMPUTER SCIENCE 7517/1 Paper 1 Question Paper + Mark scheme (Merged) GRADE A+ (All)

AQA A-level COMPUTER SCIENCE 7517/1 Paper 1 Question Paper + Mark scheme (Merged) GRADE A+

Document Content and Description Below

AQA A-level COMPUTER SCIENCE 7517/1 Paper 1 Question Paper + Mark scheme (Merged) June 2021 Version: 1.0 Final IB/G/Jun21/E13 7517/1 Time allowed: 2 hours 30 minutes Materials For this paper ... you must have: •a computer •a printer •appropriate software •the Electronic Answer Document •an electronic version and a hard copy of the Skeleton Program •an electronic version and a hard copy of the Preliminary Material •an electronic version of the Data File game1.txt. You must not use a calculator. Instructions •Type the information required on the front of your Electronic Answer Document. •Before the start of the examination make sure your Centre Number, Candidate Name andCandidate Number are shown clearly in the footer of every page (also at the top of the frontcover) of your Electronic Answer Document. •Enter your answers into the Electronic Answer Document. •Answer all questions. •Save your work at regular intervals. Information •The marks for questions are shown in brackets. •The maximum mark for this paper is 100. •No extra time is allowed for printing and collating. •The question paper is divided into four sections. Advice You are advised to allocate time to each section as follows: Section A – 45 minutes; Section B – 20 minutes; Section C – 15 minutes; Section D – 70 minutes. At the end of the examination Tie together all your printed Electronic Answer Document pages and hand them to the Invigilator. Warning It may not be possible to issue a result for this paper if your details are not on every page of your Electronic Answer Document. A-level COMPUTER SCIENCE Paper 1 2 IB/G/Jun21/7517/1 There are no questions printed on this page 3 IB/G/Jun21/7517/1 Turn over ► Section A You are advised to spend no longer than 45 minutes on this section. Type your answers to Section A in your Electronic Answer Document. You must save this document at regular intervals. 0 1 The shaded row of Table 1 contains a list of numbers. A bubble sort algorithm could be used to sort the list of numbers into ascending order. Complete the unshaded cells of Table 1 to show the results of completing three passes through the list using a bubble sort algorithm. You should state the values at the end of each pass. Table 1 [0] [1] [2] [3] [4] [5] 3 5 8 1 6 4 First pass Second pass Third pass Copy the contents of the unshaded cells in Table 1 into the table in your Electronic Answer Document. [3 marks] [Show More]

Last updated: 2 years ago

Preview 1 out of 74 pages

Buy Now

Instant download

We Accept: