What’s in this Podcast?

This video podcast is the last in the series of podcasts focusing on Digital Counting. The content follows Northern Ireland’s CCEA specification for A2 Unit 1 section 3.7 Technology and Design.

• Binary Coded Decimal
• Decimal Down Counters

Useful links

• http://en.wikipedia.org/wiki/Binary-coded_decimal

Subscribe with iTunes

What’s in this Podcast?

This video podcast continues the series of podcasts focusing on Digital Counting. The content follows Northern Ireland’s CCEA specification for A2 Unit 1 section 3.7 Technology and Design.

Keywords and Phrases:

• Binary Coded Decimal
• Decimal Down Counters

Useful links

• http://en.wikipedia.org/wiki/Binary-coded_decimal

Subscribe with iTunes

What’s in this Podcast?

This video podcast continues the series of podcasts focusing on Digital Counting. The content follows Northern Ireland’s CCEA specification for A2 Unit 1 section 3.7 Technology and Design.

Keywords and Phrases:

• Binary Coded Decimal
• Decimal Counters
• Reset on 9

Useful links

• http://en.wikipedia.org/wiki/Binary-coded_decimal

Subscribe with iTunes

What’s in this Podcast?

This video podcast continues the series of podcasts focusing on Digital Counting. The content follows Northern Ireland’s CCEA specification for A2 Unit 1 section 3.7 Technology and Design.

• JK Flip Flops
• Master Slave JK Flip Flops
• T-Type Flop Flop
• Binary Counter

Useful links

• http://en.wikipedia.org/wiki/Flip-flop_(electronics)

Subscribe with iTunes

What’s in this Podcast?

This video podcast begins a series of podcasts focusing on Digital Counting. The content follows Northern Ireland’s CCEA specification for A2 Unit 1 section 3.7 Technology and Design.

Keywords and Phrases:

• SR Flip Flops
• Clocked SR Flip Flops
• Rising Edge
• Keep State
• D-Type Flip Flop

Useful links

• http://en.wikipedia.org/wiki/Flip-flop_(electronics)

Subscribe with iTunes

What’s in this Podcast?

This video podcast begins a series of podcasts focusing on Digital Counting. The content follows Northern Ireland’s CCEA specification for A2 Unit 1 section 3.7 Technology and Design.

Keywords and Phrases:

• Decimal Counting
• Bases
• Base 6
• Binary
• Hexadecimal
• Binary to Hexadecimal conversion

Useful links

• http://en.wikipedia.org/wiki/Base_%28mathematics%29
• http://en.wikipedia.org/wiki/Hexadecimal

Subscribe with iTunes

What’s in this Podcast?

This video podcast looks at the Operational Amplifiers using feedback. The content follows Northern Ireland’s CCEA specification for A2 Unit 1 section 3.7 Technology and Design.

Keywords and Phrases:

• Inverting Amplifier
• Non-Inverting Amplifier
• Difference Amplifier

Useful links

• http://en.wikipedia.org/wiki/Negative_feedback
• http://en.wikipedia.org/wiki/Op_amp

Feedback Amplifiers from Podcastschool on Vimeo.

Subscribe with iTunes

What’s in this Podcast?

This video podcast looks at the Operational Amplifier used as a comparator. The content follows Northern Ireland’s CCEA specification for A2 Unit 1 section 3.7 Technology and Design.

Keywords and Phrases:

• The Comparator
• Reference Voltage

Useful links

• http://en.wikipedia.org/wiki/Comparator
• http://en.wikipedia.org/wiki/Op_amp

The Comparator from Podcastschool on Vimeo.

Subscribe with iTunes

What’s in this Podcast?

This video podcast looks at the Operational Amplifier. The content follows Northern Ireland’s CCEA specification for A2 Unit 1 section 3.7 Technology and Design.

Keywords and Phrases:

• Amplification
• Inverting Input
• Non Inverting Input
• Negative Feedback
• Open Loop Gain

Useful links

• http://en.wikipedia.org/wiki/Integrated_circuit
• http://en.wikipedia.org/wiki/Op_amp
• http://en.wikipedia.org/wiki/Negative_feedback

The Operational Amplifier from Podcastschool on Vimeo.

Subscribe with iTunes

What’s in this Podcast?

This video podcast works through two worked examples of Logic Simplification using 3 Variable Karnaugh Maps. The content follows Northern Ireland’s CCEA specification for A2 Unit 1 section 3.7 Technology and Design.

Keywords and Phrases:

• Logic Simplification examples
• 3 Variable Karnaugh Maps

Karnaugh Maps - Problems from Podcastschool on Vimeo.

Subscribe with iTunes

What’s in this Podcast?

This video podcast looks at the 7 Golden Rules of Karnaugh Map minimisation. The content follows Northern Ireland’s CCEA specification for A2 Unit 1 section 3.7 Technology and Design.

Keywords and Phrases:

• Logic Simplification
• 3 Variable Karnaugh Maps

The Karnaugh Map - Rules of Simplification from Podcastschool on Vimeo.

Subscribe with iTunes

What’s in this Podcast?

This video podcast looks at Logic Simplification using 3 Variable Karnaugh Maps. The content follows Northern Ireland’s CCEA specification for A2 Unit 1 section 3.7 Technology and Design.

Keywords and Phrases:

• Logic Simplification
• 3 Variable Karnaugh Maps

The Karnaugh Map - 3 Variables from Podcastschool on Vimeo.

Subscribe with iTunes

What’s in this Podcast?

This video podcast looks at Logic Simplification using Karnaugh maps from the CCEA A2 Unit 1 section 3.7 Technology and Design specification.

Keywords and Phrases:

• Karnaugh Maps
• Minimising Variables

The Karnaugh Map - 2 Variables from Podcastschool on Vimeo.

Subscribe with iTunes

What’s in this Podcast?

This video podcast looks at Logic Simplification from the CCEA A2 Unit 1 section 3.7 Technology and Design specification.

Keywords and Phrases:

• Logic Simplification
• Minimising Terms

Logic Simplification from Podcastschool on Vimeo.

Subscribe with iTunes

What’s in this Podcast?

This video podcast looks at Boolean Algebraic Identies from the CCEA A2 Unit 1 section 3.7 Technology and Design specification.

Keywords and Phrases:

• Boolean And Function
• Boolean Or Function

Boolean Algebraic Identities-Part 2 from Podcastschool on Vimeo.

Subscribe with iTunes

What’s in this Podcast?

This video podcast looks at Boolean Algebraic Identies from the CCEA A2 Unit 1 section 3.7 Technology and Design specification.

Keywords and Phrases:

• Boolean And Function
• Boolean Or Function

Boolean Algebraic Identities - Part 1 from Podcastschool on Vimeo.

Subscribe with iTunes

What’s in this Podcast?

This video podcast compliments the document entitled “Graphic Inspiration”. It is designed to inspire you throughout your design work in Technology and Design

Graphic Inspiration from Podcastschool on Vimeo.

Subscribe with iTunes

What’s in this Podcast?

This video podcast looks at Boolean Algebra from the CCEA A2 Unit 1 section 3.7 Technology and Design specification.

Keywords and Phrases:

• Boolean Arithmetic
• Boolean Addition
• Boolean Algebra

Boolean Aritmetric from Podcastschool on Vimeo.

Subscribe with iTunes

These notes accompany the full revised course specification for CCEA AS/A2 Technology and Design and are intended to be used as an introduction / orientation to the course.

The full course specification can be found here.

Note: This outline is for first teaching September 2008. Any pupil starting an A2 course of study in September 2008 should see the previous specification posted here.

Useful links

• http://www.ccea.org.uk/technology
• http://www.ccea.org.uk/

This is the revised full course specification for CCEA AS/A2 Technology and Design.

Note: This specifcation is for first teaching September 2008. Any pupil starting an A2 course of study in September 2008 should see the previous specification posted here.

Useful links

• http://www.ccea.org.uk/technology
• http://www.ccea.org.uk/

These are the CCEA January 2003 AS exams, Unit 1 and Unit 3. The mark scheme is included at the rear of the document.

These are the CCEA June 2007 AS exams, Unit 1 and Unit 3. The mark scheme is included at the rear of the document.

This is the CCEA June 2003 AS exam, Unit 3. The mark scheme is included at the rear of the document.

These are the most common symbols you will use when studying AS/A2 Technology and Design.

What’s in this Podcast?

This is a podcast in the series of video podcasts answering CCEA Unit 1 AS Technology and Design examination questions. In this podcast a question from June 2006 is answered concerning an SR flip flop and a thyristor .

Keywords and Phrases:

• SR Flip Flop
• Thyristor

Thyristors & SR Flip Flop from Podcastschool on Vimeo.

These are the CCEA January 2007 AS exams, Unit 1 and Unit 3. The mark scheme is included at the rear of the document.

This is the CCEA June 2006 AS exams, Unit 1 and Unit 3. The mark scheme is included at the rear of the document.

What’s in this Podcast?

This is a podcast in the series of video podcasts covering CCEA Unit 1 AS Technology and Design. In this podcast we take a look at the 555 Timer operating in astable mode .

Keywords and Phrases:

• 555 Timer
• astable
• mark space ratio
• Input Impedance

Useful links

• http://en.wikipedia.org/wiki/555_timer_IC

Astable - 555 Timer from Podcastschool on Vimeo.

What’s in this Podcast?

This is a podcast in the series of video podcasts covering CCEA Unit 1 AS Technology and Design. In this podcast we take a look at the 555 Timer operating in Monostable mode .

Keywords and Phrases:

• 555 Timer
• Monostable
• Square Wave
• Input Impedance

Useful links

• http://en.wikipedia.org/wiki/555_timer_IC
• http://en.wikipedia.org/wiki/Hans_R._Camenzind
• http://www.technologystudent.com/elec_flsh/timer1a.html

Monostable 555 Timer from Podcastschool on Vimeo.

What’s in this Podcast?

This is a podcast in the series of video podcasts covering CCEA Unit 1 AS Technology and Design. In this podcast we take a look at the Operational Amplifier when being used as a comparator.

Keywords and Phrases:

• Reference Voltage
• Digital Signals
• Alarm Circuit

Useful links

• http://en.wikipedia.org/wiki/Comparator

The Comparator from Podcastschool on Vimeo.

What’s in this Podcast?

This is a podcast in the series of video podcasts covering CCEA Unit 1 AS Technology and Design. In this podcast we take a look at the Operational Amplifier (Op-Amp).

Keywords and Phrases:

• Inverting Input
• Non-Inverting Input
• Input Impedance

Useful links

• http://en.wikipedia.org/wiki/Integrated_circuit
• http://en.wikipedia.org/wiki/Op_amp
• http://en.wikipedia.org/wiki/Negative_feedback

The Op Amp from Podcastschool on Vimeo.

What’s in this Podcast?

This is a podcast in the series of video podcasts covering CCEA Unit 1 AS Technology and Design. In this podcast we take a look at the thyristor.

Keywords and Phrases:

• Cathode
• Anode
• Gate
• Forward Bias

Useful links

• http://en.wikipedia.org/wiki/Thyristor
• http://www.trailbadger.com/

The Thyristor from Podcastschool on Vimeo.

What’s in this Podcast?

This is a podcast in the series of video podcasts covering CCEA Unit 1 AS Technology and Design. In this podcast we take a look at the Darlington Pair

Keywords and Phrases:

• Base, Collector, Emitter
• Current Gain
• Hfe, Beta
• The Darlington Pair
• Threshold Voltage

Useful links

• http://en.wikipedia.org/wiki/Darlington_pair
• http://en.wikipedia.org/wiki/Bell_Laboratories

The Darlington Pair from Podcastschool on Vimeo.

What’s in this Podcast?

This is a podcast in the series of video podcasts covering CCEA Unit 1 AS Technology and Design. In this podcast we take a look at the transistor.

Keywords and Phrases:

• Base, Collector, Emitter
• Current Gain
• Hfe, Beta
• Threshold Voltage

Useful links

• http://en.wikipedia.org/wiki/History_of_the_transistor
• http://en.wikipedia.org/wiki/Bipolar_junction_transistor
• http://en.wikipedia.org/wiki/Transistor

The Transistor from Podcastschool on Vimeo.

What’s in this Podcast?

This is a podcast in the series of video podcasts covering CCEA Unit 1 AS Technology and Design. In this podcast we continue our look combinational logic circuits concentrating on two typical exam questions.

Keywords and Phrases:

• And, Nand, Or, Nor, XOr, XNor
• Combinational Logic

Useful links

• http://en.wikipedia.org/wiki/Logic_gates
• http://en.wikipedia.org/wiki/And_gate

Logic - Part 2 from Podcastschool on Vimeo.

What’s in this Podcast?

This is a podcast in the series of video podcasts covering CCEA Unit 1 AS Technology and Design. In this podcast we take a look the most basic of all logic circuits - The standard logic gate family.

Keywords and Phrases:

• And, Nand, Or, Nor, XOr, XNor
• Combinational Logic

Useful links

• http://en.wikipedia.org/wiki/Logic_gates
• http://en.wikipedia.org/wiki/And_gate

Logic - Part 1 from Podcastschool on Vimeo.

What’s in this Podcast?

This is a podcast in the series of video podcasts covering CCEA Unit 1 AS Technology and Design. In this podcast we take a look at how to convert from the analogue to the digital domain and transmit those digital signals using binary.

Keywords and Phrases:

• Analogue Signals
• Digital Signals
• ADC
• Discrete and Quantised
• Binary

Useful links

• http://en.wikipedia.org/wiki/Binary_numeral_system
• http://www.technologystudent.com/elec1/anadig1.htm

Binary from Podcastschool on Vimeo.

What’s in this Podcast?

This is a podcast in the series of video podcasts covering CCEA Unit 1 AS Technology and Design. In this podcast we take a look at Pull Up resistors as used when designing with PIC Chips.

Keywords and Phrases:

• Pull Up Resistors
• Pull Down Resistors
• Potential Divider
• Input Impedance

Useful links

• http://en.wikipedia.org/wiki/Pull_up_resistor
• http://en.wikipedia.org/wiki/Switch

Pull Up Resistors from Podcastschool on Vimeo.

What’s in this Podcast?

This is a podcast in the series of video podcasts covering CCEA Unit 1 AS Technology and Design. In this podcast we take a look at the SR Flip Flop.

Keywords and Phrases:

• Rising Edge
• Falling Edge
• Race Condition
• Nand Gates
• Feedback
• Timing Diagrams

Useful links

• http://en.wikipedia.org/wiki/Flip-flop_(electronics)
• http://en.wikipedia.org/wiki/Race_condition

The SR Flip Flop from Podcastschool on Vimeo.

What’s in this Podcast?

This is a podcast in the series of video podcasts covering CCEA Unit 1 AS Technology and Design. In this podcast we take a look at Timing circuits using resistors and capacitors.

Keywords and Phrases:

• Time Constant
• RC Circuit
• Charging and Discharging Graphs
• Monostable
• Astable
• Bit Pattern

Timing Circuits from Podcastschool on Vimeo.

What’s in this Podcast?

This is a podcast in the series of video podcasts covering CCEA Unit 1 AS Technology and Design. In this podcast we take a look at Resistors.

Keywords and Phrases:

• Ohms Law
• Potential Difference
• Potential Divider

Resistors from Podcastschool on Vimeo.

Notes covering Unit 1 - Electronic and Microelectronic Control Systems

Useful links

What’s in this Podcast?

This is a podcast in the series of video podcasts covering CCEA Unit 1 AS Technology and Design. In this podcast we take a look at Systems and Control.

Keywords and Phrases:

• Open Loop Systems
• Closed Loop Systems
• Feedback

Notes covering Unit 1 - Industrial and Commercial Practice- Energy Sources

Useful links

• http://en.wikipedia.org/wiki/Hydrocarbons
• http://en.wikipedia.org/wiki/Fossil_fuels
• http://en.wikipedia.org/wiki/Nuclear_power
• http://en.wikipedia.org/wiki/Nuclear_fission
• http://technologystudent.com/energy1/nuclear1.htm
• http://technologystudent.com/energy1/rwaste1.htm
• http://technologystudent.com/energy1/geo1.htm
• http://en.wikipedia.org/wiki/Geothermal_power
• http://en.wikipedia.org/wiki/Wind_energy
• http://technologystudent.com/energy1/tidal1.htm
• http://en.wikipedia.org/wiki/Marine_Current_Turbines
• http://www.inference.phy.cam.ac.uk/cps/energy/TrevorWhittaker.pdf
• http://news.bbc.co.uk/1/hi/northern_ireland/6728073.stm
• http://en.wikipedia.org/wiki/Wave_energy
• http://technologystudent.com/energy1/solar1.htm wer
• http://science.howstuffworks.com/solar-cell.htm
• http://en.wikipedia.org/wiki/Petroleum
• http://en.wikipedia.org/wiki/Diesel
• http://en.wikipedia.org/wiki/Liquefied_petroleum_gas
• http://en.wikipedia.org/wiki/Battery_%28electricity%29
• http://electronics.howstuffworks.com/battery.htm
• http://en.wikipedia.org/wiki/Rechargable_battery

Notes covering Unit 1 - Industrial and Commercial Practice- Methods Of Joining Materials (Semi Permanent)

Useful links

• http://www.technologystudent.com/joints/screws1.htm
• http://en.wikipedia.org/wiki/Screw
• http://technologystudent.com/joints/bolt1.htm
• http://www.technologystudent.com/joints/kdown1.htm

Notes covering Unit 1 - Industrial and Commercial Practice- Methods Of Processing Materials

Useful links

• http://en.wikipedia.org/wiki/Hot_rolling
• http://en.wikipedia.org/wiki/Forging
• http://en.wikipedia.org/wiki/Blow_molding
• http://en.wikipedia.org/wiki/Extrusion
• http://en.wikipedia.org/wiki/Rotational_moulding
• http://en.wikipedia.org/wiki/Die_Casting
• http://en.wikipedia.org/wiki/Sand_casting

Notes covering Unit 1 - Industrial and Commercial Practice- Quality Systems

Useful links

• http://en.wikipedia.org/wiki/TQM
• http://en.wikipedia.org/wiki/Coordinate-measuring_machine

Notes covering Unit 1 - Industrial and Commercial Practice- Manufacturing & The Environment

Useful links

• http://en.wikipedia.org/wiki/Polyethylene_terephthalate
• http://www.fonebak.com/

Notes covering Unit 1 - Industrial and Commercial Practice- Manufacturing Systems

Useful links

• http://www.ccea.org.uk/

Notes covering Unit 1 - Product Design and Practice - Creating New Materials

Useful links

• http://www.ccea.org.uk/

Notes covering Unit 1 - Product Design and Practice - Plastics

Useful links

• http://www.ccea.org.uk/

Notes covering Unit 1 - Product Design and Practice - Metals

Useful links

• http://www.ccea.org.uk/

Notes covering Unit 1 - Product Design and Practice - Woods

Useful links

• http://www.ccea.org.uk/

These notes accompany the full course specification for CCEA A2 Technology and Design and are intended to be used as an introduction / orientation to the course.

Useful links

• http://www.ccea.org.uk/

This is the full course specification for CCEA A2 Technology and Design.

Useful links

• http://www.ccea.org.uk/