STUDENT SECTION

Name Class

Student MOE number (SIS)

School MOE Number

STUDENT SIGNATURE

School name

FOR ADMIN ONLY MARKING RECORD

Section Section TOTALS

Section 1

Section 2

Section 3

MARKER SIGNATURE

TOTAL MARKS

MODERATOR SIGNATURE

Creative Design & Innovation

11 Advanced

Sample - Term 2

Date: February 2018

Time: TBC

Duration: 35 minutes

STUDENT INSTRUCTIONS – Students must attempt all questions. For this examination, you must have:

1. An ink pen – blue. 2. A pencil. 3. A ruler.

TEACHER NOTES & INSTRUCTIONS

Please tick the correct answers in RED INK and then write the mark awarded in the marking columns. With multiple mark answers highlight where the mark is awarded by underlining or by using an extra tick.

PLEASE NOTE – This SAMPLE paper is to guide students on question types ONLY.

It may not reflect the content for the final examination. Please refer to the coverage documents.

Page 1 of 5

SECTION 1 – Multiple choice

Choose and circle the correct answer – A, B, C or D. (1 mark each)

Example: A 9V battery supplies -

A. AC

B. SC

C. DC

D. a 12 V device

1. What type of signal is emitted by a loudspeaker?

A. microwave

B. digital

C. analogue

D. radio

2. _____________ indicates the minimum & maximum range in a resistor.

A. Resistance

B. Distance

C. Variance

D. Tolerance

3. A(n) _____________ can be used to measure different electrical values.

A. voltmeter

B. ammeter

C. multimeter

D. thermometer

4. A _________ is an output module in an electrical circuit.

A. wire

B. buzzer

C. current

D. breadboard

5. A(n) _____________ is not an output.

A. sensor

B. LED

C. LCD

D. speaker

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Page 2 of 5

SECTION 2 – Sequencing

In this question, you need to complete the order for the stages in a MICROCONTROLLER.

Fill boxes 1 - 5 with the word statements listed in the table shown below.

ONE possible answer will NOT be used in the sequence below.

1a – Identify the terminals of the electromagnetic relay shown below. (3 marks)

1b – List two parts of an electromagnetic relay.

Part 1 ________________________________________________________________

Part 2 _______________________________________________________ (2 marks)

Collects signals Control Unit Sends signals

Input Unit Analogue signals Output Unit

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SECTION 3 – Core content

A

B

C

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Microcontroller

Processes signals

1.

4. 5.

2. 3.

Page 3 of 5

2 - Study the diagram of a signal below. Answer the questions about the signal.

2a – What type of signal is shown in the diagram below? (1 mark)

2b - Label the 2 boxes to show which side of the signal is positive and which is

negative (-). (2 marks)

2c - Circle TWO of the devices below that use this kind of signal. (2 marks)

FILM CAMERA SMARTPHONE RADIO GAME

CONTROLLER

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Page 4 of 5

3 – A diagram of a faulty circuit is shown below -

3a – Identify TWO reasons why the LED’s are not lighting in the circuit shown. (2 marks)

a) _______________________________________

_______________________________________

b) _______________________________________

_______________________________________

3b – In the box below, draw a schematic diagram for a working circuit solution.

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Schematic Diagram

(3 Marks)

Page 5 of 5

4 – Match the words with their definition or image. (5 marks)

Write the matching letter in the correct box. The first one has been done for you.

COMPONENT Symbol

letter

SYMBOL

Voltmeter F A constant voltage or current. A

Switch

B

Potentiometer

C

DC

D

Microcontroller A three-terminal variable resistor E

Digital signal

F

You have now finished the examination.

/ 5

TOTAL

/ 30

Page 1 of 1

Creative Design & Innovation

Grade 11 Advanced Sample - Term 2 - Answer Key

Section 1 –

Multiple Choice

Question Answer

1 C

2 D

3 C

4 B

5 A

Section 2 –

Sequencing

Question Answer

1 Input Unit

2 Control Unit

3 Output Unit

4 Collects signals

5 Sends signals

Section 3 – Core content

Question Answer

1a– Diagram (3 marks)

1 marks each

A = NO

B = COM

C = NC

1b - Diagram (2 marks) (Any 2) - Electromagnet / Spring / armature / switch contacts = (1 mark each)

2a - SAQ (1 mark) Analogue Signal

2b - SAQ (2 marks) Top = positive (+) / Bottom = negative (-) = (1 mark each)

2c - SAQ (2 marks) Film camera & Radio = (1 mark each)

3a – SAQ (2 marks) Positive of battery needs to be connected to the positive power rails (rows) Legs of the LED (positive and negative terminals) are on the same connected column (any other relevant answer)

3b – SAQ (3 marks) 1 mark for each of the following connected

properly in correct order:

battery, resistor, LED

4 – Matching

(5 marks) Switch = D / Potentiometer = E / DC = A / Microcontroller = B / Digital Signal = C

Where student responses may vary

please use your professional

judgment. Be reasonable and

award marks ONLY when deserved

for answers given.

Marks will be awarded as indicated

on the examination paper. Specific

mark breakdowns for questions will

be written when necessary.