DesTech2011 F1 Electronics

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D&T1/T2 Page 1 of 7

Name:_________________________________ Class:__________ SET:

________________________________________________________________________

------------------------------------------------- Note to student ------------------------------------------------You are required to answer all sections

-------------------------------------------------------------------------------------------------------------------------

________________________________________________________________________

FOR TEACHERS' USE______________________

DISTRIBUTION OF MARKS

Indicate in result table other sections corrected:

RMfor Resistant Materials orE for Electronics.

Sections correctedTOTAL

Design Folio

Marks 20 80 100 200/2

Studentsmark

St.Ignatius College

Secondary Boys, Qormi

Half-Yearly Examinations 2010/2011

Form 1 DESIGN and TECHNOLOGY Time: 1 hour 30 mins


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D&T1/T2 Page 2 of 7

Section: Design

1. Fill in the missing stages of the design process using the following words.

Specifications Testing Making Design Brief Chosen Idea Planning

a. Situation

b. ______________________________

c. Research

d. ______________________________

e. Initial Ideas

f. ______________________________

g. Development

h. Working Drawing and ______________________________

i. ______________________________

j. ______________________________ and Evaluation

6 marks

2. The following is a list of Design and Technology projects.

Design and make a textile carrier bag for shopping.

Design and make a curtain for a boys bedroom.

Design and make a healthy lunch for a teenager.

Design and make a nutritious snack to be sold in a school canteen.

a. Choose one ofthe above projects. Name the project chosen.

______________________________________________________________

b. Write down three keywordsfor the project chosen.

i. ___________________________________

ii. ___________________________________

iii. ___________________________________

3 marks


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D&T1/T2 Page 3 of 7

c. Name three sources from where you can gather information during the research stage.

i. ___________________________________

ii. ___________________________________

iii. ___________________________________

3 marks

d. Underline the correct answer.

Evaluation is done:

i. So that the materials for the project can be cut accurately.

ii. To check that all has been done according to the plan.

iii. To prepare a work plan for the project.

2 marks

e. Which one ofthe pictures below is drawn in 3-D?

Answer: Picture: ________

2 marks

3. State whether the following statements are TRUE orFALSE.

TRUE FALSE

Planning make your work more difficult.

The design brief tells you what you need to solve from

the problem.

We must not run in the design and technology lab.

A good research makes a good product.

4 marks

A B C D


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D&T1/T2 Page 4 of 7

Section: Electronics

4. Draw the symbols of the following components used in electronics.

Component Symbol

A Resistor

A Motor

A Diode

An Electrolytic Capacitor

4 marks

5a. The layout diagram below shows a switch connected between a battery and a bulb. Draw a

Schematic diagram of the circuit in the space provided.

4 marks

5b. What happens if the circuit will be switched on knowing that the bulb has a voltage rating of3 volts and the battery is rated 9 volts?

___________________________________________________________________________

___________________________________________________________________________

___________________________________________________________________________

2 marks


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D&T1/T2 Page 5 of 7

6. Fill in the blanks from the words and symbols given below.

Ohms, Volts, Amps, Watts, V, I, ,P.

a) Resistance is measured in _______ and has a circuit symbol _____

b) Current is measured in _______ and has a circuit symbol _____

c) Voltage is measured in _______ and has a circuit symbol _____6 marks

7. Name the following Tools used in Electronics.

_________________ _________________ _________________

3 marks

8a. State if the sentences are True or False.

a) LED stands for Light Emitting Diode. ____________

b) A resistor can be connected in series with an LED as a protection. ____________

c) An LED can be connected directly to a 9 Volts battery. ____________d) An LED is a diode which emits light to indicate a high current. ____________

e) The Anode of an LED should be connected to the positive supply. ____________

5 marks

8b. On the diagram provided indicate the positive and negative terminals of the LED

2 marks

8c. An LED can be tested by using an instrument which is frequently used in electronics. What is

the name of this instrument? _____________________

1 mark


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D&T1/T2 Page 6 of 7

9. Safety rules in the workshop are very important. Write down 4 of these Safety rules in the

space provided.

a) ________________________________________________________________.

b) ________________________________________________________________.

c) ________________________________________________________________.d) ________________________________________________________________.

8 marks

10. From the list of objects given below, state which are conductors and insulators. Coins, Rubber,

Steel nails, Paper, Plastic ruler, Silver spoon, Aluminium plate, Glass.

Conductors Insulators

8 marks

11. State what you understand by each of the following terms or abbreviations used in electronics.

a) AC - _______________________________________________________

b) DC - _______________________________________________________

c) Hz - _______________________________________________________

d) SPST - _______________________________________________________

e) SPDT - _______________________________________________________

f) LED - _______________________________________________________

12 marks

12. The diagram below shows the symbol of an NPN transistor. Mark on the diagram the Base,

Emitter and Collector.

3 marks


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D&T1/T2 Page 7 of 7

13. The list below shows tools used in Electronics. Indicate which tools are used for de-soldering.

4 marks

14. Batteries can be connected in several ways. State which circuit is connected in parallel and

which is connected in series. Then calculate the total voltage for each circuit, knowing that

each battery is rated 1.5 volts.

a) b)

Circuit a is connected _____________ Circuit b is connected _____________

The total voltage for circuit a is _____ The total voltage for circuit b is _____

8 marks

15. Find the total resistance for the below configuration. All working must be shown.

_________________________________________________________________________________

_________________________________________________________________________________

_________________________________________________________________________________

_________________________________________________________________________________

_________________________________________________________________________________

_________________________________________________________________________________

10 marks

Stand to hold the veroboard

Soldering Iron

De-soldering pump

Side Cutter

Wick

DesTech2011 F1 Electronics

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