MATHEMATICS FOR PROGRAMMERS

Level 3 Technical Level IT: PROGRAMMING Y/507/6469 Unit 5 Mathematics for programmers Mark scheme June 2019 Version: 1.0 Final *196AY/MS* MARK SCHEME – LEVEL 3 TECHNICAL IT: MATHEMATICS FOR PROGRAMMERS Y/507/6469 – JUNE 2019 2 Mark schemes are prepared by the Lead Assessment Writer and considered, together with the relevant questions, by a panel of subject teachers. This mark scheme includes any amendments made at the standardisation events which all associates participate in ...

AQA A LEVEL Mathematics for programmers EXAM Best for 2022 Actual Exam preparation If f(x) = x2 and g(y) = 1 y then g(f(x)) is equal to Tick () one box. [1 mark] 2 1 x x2 2 x y 2 y x Turn over for the next question 4 *04* IB/M/Jun19/Y/507/6469 Do not write outside the 0 4 box Figure 1 shows a Venn diagram. Figure 1 What is A ∩ B? Tick () one box. [1 mark] { } {7, 11} {1, 5, 6} {1, 2, 4, 5, 6, 9} 5 *05* Turn over ► IB/M/Jun19/Y/507/6469 Do not write...

AQA A LEVEL Mathematics for programmers EXAM Best for 2022 Actual Exam preparation If f(x) = x2 and g(y) = 1 y then g(f(x)) is equal to Tick () one box. [1 mark] 2 1 x x2 2 x y 2 y x Turn over for the next question 4 *04* IB/M/Jun19/Y/507/6469 Do not write outside the 0 4 box Figure 1 shows a Venn diagram. Figure 1 What is A ∩ B? Tick () one box. [1 mark] { } {7, 11} {1, 5, 6} {1, 2, 4, 5, 6, 9} 5 *05* Turn over ► IB/M/Jun19/Y/507/6469 Do not write...

AQA A/AS LEVEL Unit 5 Mathematics for programmers Mark scheme Level of response marking instructions Level of response mark schemes are broken down into levels, each of which has a descriptor. The descriptor for the level shows the average performance for the level. There are marks in each level. Before you apply the mark scheme to a student’s answer read through the answer and annotate it (as instructed) to show the qualities that are being looked for. You can then apply the mark scheme....

AQA A LEVEL Mathematics for programmers Mark scheme Best for 2022 Actual Exam preparation 3 marks for AO2 3 marks if answer is correct P = (X + Y ) + (X . Y) // P = (X ∨ Y ) ∨ (X ∧ Y) // P = (X OR NOT Y) OR (X AND Y) // P = X . Y + X . Y + X . Y ;;; If answer given is not correct then award working marks as follows: Maximum of 2 from: X + Y // X . Y; X . Y // X . Y // X . Y ; Two/three expressions joined by a + (or equivalent symbol); A. Follow through from Question 9.2 if t...

AQA A/AS LEVEL Unit 5 Mathematics for programmers EXAM BEST FOR 2022 ACTUAL EXAM REVIEW 0 2 De Morgan’s law converts A AND B into: Tick () one box. [1 mark] A OR B A OR B A OR B A OR B 0 3 If f(x) = x2 and g(y) = 1 y then g(f(x)) is equal to Tick () one box. [1 mark] 1 x2 x2 x2 y y x2 Turn over for the next question Turn over ► 0 4 Figure 1 shows a ...

*JUN19Y* IB/M/Jun19/E8 Y/507/6469 For Examiner’s Use Question Mark 1−5 6 7 8 9 10 11 12 13 14 15 16 17 TOTAL Tuesday 21 May 2019 Afternoon Time allowed: 2 hours Materials For this paper you must have: • a ruler • a scientific calculator (non-programmable) • stencils or other drawing equipment (eg flowchart stencils). Instructions • Use black ink or black ball-point pen. • Fill in the boxes at the top of this page. • Answer all questions. • You must a...

The result of the logical operation AND is Tick () one box. [1 mark] 0 2 De Morgan’s law converts A AND B into: Tick () one box. [1 mark] A OR B A OR B A OR B A OR B 3 *03* Turn over ► IB/M/Jun19/Y/507/6469 Do not write outside the 0 3 box If f(x) = x2 and g(y) = 1 y then g(f(x)) is equal to Tick () one box. [1 mark] 2 1 x x2 2 x y 2 y x Turn over for the next question 4 *04* IB/M/Jun19/Y/507/6469 Do not write outside the 0 4 box F...

Level of response marking instructions Level of response mark schemes are broken down into levels, each of which has a descriptor. The descriptor for the level shows the average performance for the level. There are marks in each level. Before you apply the mark scheme to a student’s answer read through the answer and annotate it (as instructed) to show the qualities that are being looked for. You can then apply the mark scheme. Step 1 Determine a level Start at the lowest level of the ...