Level 3 Technical Level
IT: PROGRAMMING
Unit 5 Mathematics for programmers
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).
...
level 3 technical level it programming unit 5 mathematics for programmers tuesday 21 may 2019 afternoon time allowed 2 hours materials for this paper you must have • a ruler • a scientific calculat
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Centre Candidate
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Level 3 Technical Level
IT: PROGRAMMING
Unit 5 Mathematics for programmers
Tuesday 21 May 2019 Afternoon Time allowed: 2 hours
Materials
For this paper you must have:
For Examiner’s Use
a ruler
a scientific calculator (non-programmable) Questio Mark
stencils or other drawing equipment (eg flowchart stencils). n
1−5
Instructions
6
Use black ink or black ball-point pen.
Fill in the boxes at the top of this page. 7
Answer all questions. 8
You must answer the questions in the spaces provided. Do not 9
write outside the box around each page or on blank pages.
Do all rough work in this book. Cross through any work you do 10
not want to be marked. 11
If you need more space use the additional pages at the back of this booklet.
12
Include units in all answers, where required, as marks are given
13
for units in some questions.
14
Information
15
The marks for questions are shown in brackets.
The maximum mark for this paper is 80. 16
There are 50 marks in Section A and 30 marks in Section B. Both 17
sections should be attempted.
TOTAL
Advice
In all calculations, show clearly how you work out your answer.
Use diagrams, where appropriate, to clarify your answers.
You are expected to use a calculator where appropriate.
You are reminded of the need for good English and clear presentation in your answers.
*JUN19Y507646901
* IB/M/Jun19/
E8
Y/507/6469
, 2
Do not write
outside the
Section A box
Answer all questions in this
section.
0 1 The result of the logical operation 10001100 AND 01100111 is
Tick () one box.
[1 mark]
00000100
01100100
01111100
11101111
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
*02
IB/M/Jun19/Y/
* 507/6469
, 3
Do not
write
0 3 If outside the
box
1
f(x) = x2 and g(y) =
y
then g(f(x)) is equal to
Tick () one box.
[1 mark]
1
2
x
x2
2
x
y
y
x
2
Turn over for the next question
*03
IB/M/Jun19/Y/
* 507/6469
, 4
Do not
write
outside the
box
Turn over ►
*03
IB/M/Jun19/Y/
* 507/6469
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