1. AQA Electronic Products Exam Format

2. AQA :WRITTEN EXAM PAPER 2011
TIME: 1.5 HOURS
USE BLACK INK
USE PENCIL FOR DRAWING

3. tips Have a calculator and pencil for exam
Always read each question right through before answering.
Try to avoid one word answers.
Use a pencil for all drawings
Never give two answers when one is required.
Look at the number of marks and the space allocated for each question
Use all the space provided. If the space is provided it is likely a good answer will fill the space.
Do not rush questions – think carefully before writing answers
Make sure all sketches are labelled
Attempt all questions, you may pick up marks

4. FORMULA’S – given on paper

5. UNIT 1: WRITTEN PAPER MATERIALS AND COMPONENTS –
SYSTEM DIAGRAMS - CIRCUIT SYMBOLS – BATTERIES & DIODES – RESISTORS – CAPACITORS
INPUTS – PROCESSES - OUTPUTS
THYRISTORS – OP AMPS – LOGIC GATES – TIMERS(MONOSTABLE & ASTABLE) - FLOWCHARTS – LEDS – TRANSISTORS
DESIGN & MANUFACTURE
CASING – MAKING PCB’S – DESIGN CONSIDERATIONS

6. EXAMPLE QUESTIONS
ON COMPONENTS
OBJECTIVES: RECOGNISE THE SYMBOLS FOR ELECTRICAL COMPONENTS USED IN CIRCUIT DIAGRAMS

7. EXAMPLE QUESTIONS ON RESISTORS & LED’S.
OBJECTIVE:
EXPLAIN HOW RESISTORS ARE USED & DETERMINE THE VALUE OF FIXED & COMBINATION RESISTORS
EXPLAIN HOW AN LED IS USED & POSTIONED WITH THE CORRECT POLARITY

8. IDENTIFY CORRECT ANSWERS – DETAILING MARKS GIVEN

9. EXAMPLES QUESTIONS ON TRANSISTORS:
OBJECTIVES:
EXPLAIN THE OPERATION OF TRANSISTORS
COMMON USES & FUNCTIONS: DARLINGTON PAIRS

10. IDEITFY MARK POINTS FOR CORRECT ANSWERS

11. EXAMPLE QUESTION ON PCB MANUFACTURING
OBJECTIVES:
EXPLAIN THE ADVANTAGES/
DISADVANTAGES OF USING COMPUTER SOFTWARE
IDENTIFY KEY TERMINOLOGY

12. EXAMPLE DESIGN QUESTIONS: DESCRIBE HOW AN ENCLOSURE CAN BE BUILT – HOW TO SECURE COMPONENTS

13. EXAMPLE QUESTIONS: SYSTEMS APPROACH
INPUT – PROCESS - OUTPUT
OBJECTIVES:
EXPLAIN WHAT A SYSTEM IS
LIST PARTS OF A SYSTEM DIAGRAM
EXPLAIN HOW IT IS USED

14. EXAMPLE QUESTIONS ON ASTABLE CIRCUITS:
EXPLAIN THE FUNCTION – CALCULATE THE MARK/SPACE RATIO – DESRCIBE THE CONFIGURATION

15. EXAMPLE QUESTIONS ON MONOSTABLE: EXPLAIN THE FUNCTION – CALCULATE THE TIME CONSTANT – EXPLAIN WHY A PULL UP RESISTOR IS USEDE:

16. EXAMPLE DESIGN CONSIDERATIONS QUESTIONS: EXPLAIN RESPONSIBLE DESIGNS – MAINTENACE – RECYCLING – ENVIRONMENTAL ISSUES