COMPONENTS / SYMBOLS

	V. Ryan © 2002-2008
	The section is aimed at introducing pupils to basic concepts of electronics. You will find that a range of basic electronics is covered including; component symbols, power sources, diodes, capacitors, transistors, LEDs and many more. Click on the aspect of electronics outlined below to view the information sheets.
	COMPONENTS / SYMBOLS
	1. Electronic Components and Symbols - 1
	2. Electronic Components and Symbols - 2
	3.Electronic Components and Symbols - 3
	4. Symbols Summary Sheet
	PDF FILE - CLICK HERE FOR PRINTABLE SYMBOLS EXERCISE
	5. Lesson Starter - Electronic Components
	6. Lesson Starter - Electronic Tools and Equipment
	7. Basic Electronics - Wordsearch Exercise
	COMPONENT AND CIRCUIT DETAILS
	1. Batteries and LEDs
	2. Button Batteries / Coin Cells - Simple Circuits
	3. Switches -1
	4. Switches - 2
	5. Switches - 3
	PDF FILE - CLICK HERE FOR SWITCHES / COMPONENTS WORKSHEET
	6. Incandescent Lamps (Bulbs) 1
	7. Incandescent Lamps (Bulbs) 2
	8. Series Circuits
	9. Circuits in Parallel
	10. A Series / Parallel Circuit
	11. Basic Circuit using Crocodile Technology® Circuit Simulation Software
	12. The Diode
	13. Capacitors
	14. Resistors
	15. Using Crocodile Technology® to Test the Relationship between Resistors and Capacitors
	16. Test Instruments
	17. Light Dependent Resistors
	18. The Preset Resistor
	19. Potentiometer / Variable Resistor
	20.Making a Light / Dark Sensor
	21. Sequence Drawing - Light/Dark Sensor
	22. LDR Examination Question - 1
	23. LDR Examination Question - 2
	24 LDR Examination Question - 3
	25. Sensor Question - LDR
	26. Switches, Diode, Transistor and General Circuit Questions
	27. The Thermistor
	28. Information Regarding Thermistor Circuits and Darlington Pairs
	29. A Typical Temperature Sensor
	30. Potential Dividers
	31. SI Units and OHM's Law
	32. Resistors - Questions
	33. Relays and Practical Circuits
	34. The Basics on Transistors
	34. Transistors - Darlington Pairs
	35. Transistor Exam Question
	36. Transistor Breadboard Project
	38. Transistor Darlington Pair Breadboard Project
	39. Transistor Formulas and Calculations
	40. Dual Transistor Multivibrator Circuit
	41. Lesson Starter - Astable Transistor Circuit (Multivibrator)
	42. Examination Questions : Dual Transistor Multivibrator Circuits
	43. The Thyristor
	44. Steady Hand Game - Thyristor Circuit
	45. Breadboards
	46. Examination Questions - Jigs CONTROL SYSTEMS         1. Analogue / Digital Systems     2. Control Systems     3. Control Systems - An Example           MODULAR ELECTRONICS           1. Modular Electronics   2. Modular Electronics - Control Studio® -1 3. Modular Electronics - Control Studio® -2 4. Modular Electronics - Control Studio® -3 DIGITAL ELECTRONICS AND LOGIC GATES 1. Digital Electronics and Logic Circuits - 1 2. Digital Electronics and Logic Gates - 2  (Role of Transistors) 3. Basic Logic Gates and Logic Tables 4. Alternative representations of Logic Tables 5. Example Logic Circuit - 1 6. Example Logic Circuit - 2       7. The 4081B Integrated Circuit (AND gate) - a Practical Example. 8. The 4081B - Circuit Design   PDF FILE - CLICK HERE FOR PRINTABLE WORKSHEET ON THE 4081B         9. Digital Logic Circuit Exam Question 1 10. Digital Logic Circuit Exam Question 2 11. Digital Logic Circuit Exam Question 3 12. AND Gate Sample Question 13. AND Gate Sample Answer 12. The Binary System 13. Integrated Circuits - 1 14. Integrated Circuits - 2 15. Integrated Circuits - 3   THE 555 INTEGRATED CIRCUIT     1. The 555 Integrated Circuit (Timer) - a Simple Explanation     2. The 555 IC as an ASTABLE Circuit     3. The 555 IC as a MONOSTABLE Circuit     4. 555 MONOSTABLE Examples     5. The MONOSTABLE Circuit in more detail     6. Animation 1 -  555 Timer Circuit - Frames Created by Crocodile Technology 3D     7. Animation 2 - 555 Timer Circuit - Frames Created by Crocodile Technology 3D           8. Monostable Timer Examination Questions - 1     9. Monostable Timer Examination Questions - 2           10. ASTABLE 555 Breadboard Project     11. 555 ASTABLE Examples     12. The ASTABLE Circuit in more detail               THE 741 OPERATIONAL AMPLIFIER     1. The Operation Amplifier used as an Amplifier - a Simple Explanation     2. The 741 Operational Amplifier used as an Amplifier with Sensors     3. The 741 Operational Amplifier - an introduction     4. Inverting and Non-inverting 741 Amplifiers     5. The 741 Operational Amplifier as a Comparator     6. 741 Operational Amplifier Comparator Examination Questions and Information           THE 4017B DECADE COUNTER     1. How the 4017B decade Counter Works     2. Adding a Motor and a Solenoid to the 4017B Decade Counter       PDF FILE - CLICK HERE FOR PRINTABLE QUESTION PAPERS           1. Systems Preparation Questions 2007 - 1     2.Systems Preparation Questions 2007 - 2     3. Systems Preparation Questions 2007 - 3     4. Systems Preparation Questions 2007 - 4     5. Systems Preparation Questions 2007 - 5     6. Systems Preparation Questions 2007 - 6     7. Systems Preparation Questions 2007 - 7     8. Systems Preparation Questions 2007 - 8     9. Systems Preparation Questions 2007 - 9     10. Systems Preparation Questions 2007 - 10     11. Systems Preparation  Questions 2007 - 11     12. Systems Preparation  Questions 2007 - 12     13. Systems Preparation Questions 2007 - 13     14. Systems Preparation Questions 2007 - 14     15. Systems Preparation Questions 2007 - 15     16. Systems Preparation Questions 2007 - 16     17. Systems Preparation Questions 2007 - 17     18. Systems Preparation Questions 2007 - 18           2. INDIVIDUAL RESEARCH THEME and EXAMINATION QUESTIONS THEME: THEME PARKSCONTEXT: OPERATING SYSTEMS Pupils research the theme as they work through the resources/questions below. They should draw on all the skills and techniques developed through the Systems and Control course. *PLEASE NOTE: You may need to use the search facility on the index page of this site to find information when answering some of the questions*           1. Systems Preparation Questions 2008 - 1     2. Systems Preparation Questions 2008 - 2     3. Systems Preparation Questions 2008 - 3     4. Systems preparation Questions 2008 - 4     5. Systems Preparation Questions 2008 -5     6. Systems Preparation Questions 2008 - 6     7. Systems Preparation Questions 2008 - 7     8. Systems Preparation Questions 2008 - 8     9. Systems Preparation Questions 2008 - 9     10. Systems Preparation Questions 2008 - 10     11. Systems Preparation Questions 2008 - 11     12. Systems Preparation Questions 2008 - 12     13. Systems Preparation Questions 2008 - 13     14. Systems Preparation Questions 2008 - 14     15. Systems Preparation Questions 2008 - 15     16. Systems Preparation Questions 2008 - 16     17. Systems Preparation Questions 2008 - 17      http://www.technologystudent.com/elec1/elecex.htm