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NSW HSC 2009 : INDUSTRIAL TECHNOLOGY – Electronics Industries

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Centre Number Student Number 2009 H I G H E R S C H O O L C E R T I F I C AT E E X A M I N AT I O N Industrial Technology Electronics Industries General Instructions Reading time 5 minutes 1 Working time 1 hours 2 Write using black or blue pen Draw diagrams using pencil Board-approved calculators may be used Write your Centre Number and Student Number at the top of this page and pages 5, 7, 11 and 15 191 Total marks 100 S ection I Pages 2 9 60 marks Attempt Questions 1 3 Allow about 55 minutes for this section S ection II Pages 11 18 40 marks Attempt Questions 4 5 Allow about 35 minutes for this section Section I 60 marks Attempt Questions 1 3 Allow about 55 minutes for this section Answer the questions in the spaces provided. Use the following information to answer Questions 1 3. Due to a slowing local and global economy, demand for IND-TECH s products and services is decreasing. IND-TECH s management has decided to investigate ways of maintaining sales. Question 1 (20 marks) (a) Name TWO strategies IND-TECH could consider to maintain sales. 2 ............................................................................................................................... ............................................................................................................................... (b) Outline possible changes IND-TECH could make to its management structure in order to improve the company s efficiency. ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... Question 1 continues on page 3 2 3 Question 1 (continued) (c) Identify and describe a method IND-TECH could use to determine the reasons for the decrease in demand for their products and services. 4 ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... (d) IND-TECH is considering changes to their employee working hours. Discuss the impact that government legislation could have on this proposal. ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... Question 1 continues on page 4 3 4 Question 1 (continued) (e) To improve efficiency, IND-TECH is considering implementing an emerging technology. Suggest an appropriate technology and analyse the possible impact of this technology on both the company and its employees. ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... End of Question 1 4 Board of Studies NSW 2009 7 2 009 HIGHER SCHOOL CERTIFIC ATE EXAMINATION Industrial Technology Electronics Industries Centre Number Section I (continued) Student Number Question 2 (20 marks) (a) List TWO forms of effective workplace communication. 2 ............................................................................................................................... ............................................................................................................................... (b) Outline personnel issues that could arise if IND-TECH were to reduce its employees working hours. 3 ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... (c) IND-TECH plans to train its employees to be multi-skilled. Discuss how management could ensure a safe working environment during the training. ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... Question 2 continues on page 6 191a 5 4 Question 2 (continued) (d) Describe TWO methods IND-TECH s management could use to determine the viability of introducing new products and services. 4 ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... (e) Evaluate the use of computer software in the design and production of new products. ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... End of Question 2 6 Board of Studies NSW 2009 7 2 009 HIGHER SCHOOL CERTIFIC ATE EXAMINATION Industrial Technology Electronics Industries Centre Number Section I (continued) Student Number Question 3 (20 marks) (a) List TWO advantages of using freehand drawings to present initial design ideas. 2 ............................................................................................................................... ............................................................................................................................... (b) Why are graphics often used in OHS signage? Use an example to support your answer. ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... Question 3 continues on page 8 191b 7 3 Question 3 (continued) (c) (i) Complete the following table to determine the weekly wages for a company. Employees 2 Number Hourly rate ($) Hours worked Weekly wages ($) Administration staff 3 Managers 2 Tradespeople Apprentices 17 40 40 40 45 2 4 400 12 600 16 1 280 Total (ii) Using the information in the table, graph the weekly wages for each group of employees. Wages Employees Question 3 continues on page 9 8 2 Question 3 (continued) (d) Describe the advantages of using word processing software to produce a management folio. 4 ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... (e) Identify and evaluate the types of computer graphics that could be used in the production of IND-TECH s annual report. ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... End of Question 3 9 7 BLANK PAGE 10 Board of Studies NSW 2009 2 009 HIGHER SCHOOL CERTIFIC ATE EXAMINATION Industrial Technology Electronics Industries Centre Number Section II Student Number 40 marks Attempt Questions 4 5 Allow about 35 minutes for this section Answer the questions in the spaces provided. Question 4 (20 marks) (a) What units are used to measure electrical potential and electron flow? 2 Electrical potential: .............................................................................................. Electron flow: ....................................................................................................... Sketch and label the characteristic shape of BOTH a digital signal and an analogue signal on the axes below. Voltage + + Time Voltage (b) Question 4 continues on page 12 192 11 Time 3 Question 4 (continued) (c) The circuit shown is controlled by two input switchesA and B. The output of the circuit is a small globe labelled F. The circuit is powered by a battery. A + B Output F 3 (i) Complete the truth table shown. A B F 0 0 0 0 1 1 0 1 1 (ii) What is the name for a logic gate with this truth table? ................................................................................................................... Question 4 continues on page 13 12 1 Question 4 (continued) (d) The circuit shown is for a power supply. A C AC in B D (i) Sketch the output waveform seen on a cathode ray oscilloscope screen when the probes are connected across the points specified. A and B 2 C and D (ii) What are the functions of the capacitor and the bridge diodes in the circuit? Capacitor: ................................................................................................. Bridge diodes: ........................................................................................... Question 4 continues on page 14 13 2 Question 4 (continued) (e) High intensity light emitting diodes (LEDs) are now being used in many low voltage lighting applications. Evaluate LED technology in terms of power requirements, light output and cost. Use examples to illustrate your answer. ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... End of Question 4 14 Board of Studies NSW 2009 7 2 009 HIGHER SCHOOL CERTIFIC ATE EXAMINATION Industrial Technology Electronics Industries Centre Number Section II (continued) Student Number Question 5 (20 marks) (a) Name TWO different types of variable resistors. 2 ............................................................................................................................... ............................................................................................................................... (b) How does the operation of a stepped (stepper) motor differ from that of an ordinary free running (direct current) motor? ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... Question 5 continues on page 16 192a 15 3 Question 5 (continued) (c) The circuit shown is for a portable temperature gauge, using a thermistor in a plastic probe attached to an analogue meter. SW1 + Ve M Analogue meter Thermistor in probe C B BC548 E C 2N3055 B E Ve (i) Outline the function of the thermistor in this circuit. 2 ................................................................................................................... ................................................................................................................... ................................................................................................................... ................................................................................................................... (ii) What is the relationship between the operation of the general purpose transistor and that of the power transistor? ................................................................................................................... ................................................................................................................... ................................................................................................................... ................................................................................................................... Question 5 continues on page 17 16 2 Question 5 (continued) (d) Compare the operation of a solenoid and a relay as electrical switching devices. ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... Question 5 continues on page 18 17 4 Question 5 (continued) (e) Evaluate technologies that are used to generate and store electrical energy in remote locations where mains power is not available. Use examples to illustrate your answer. ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... End of paper 18 Board of Studies NSW 2009 7

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Additional Info : New South Wales Higher School Certificate Industrial Technology Electronics Technologies 2009
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