INPUT COMPONENTS

Past Paper Questions and Answers

2013 2EP01 – Q1Which type of switch would provide the best

security on an electronic product? [1]

(1)

2013 2EP01 – Q6Which one of the following components may be used

to detect changes in temperature? [1]

(1)

2013 2EP01– Q7Which one of the following components must be inserted the correct way round in order to work?

[1] (1)

2013 2EP01 – Q11(a)

(a) The table below shows some tools and components.

Complete the table below by giving the missing names and uses. [1]

rocker switch (1)

To turn a circuit on or off

2012 2EP01– Q1Which one of the following components is an input device? [1]

(1)

2012 2EP01– Q4Which type of switch could be used to detect if a door is open or closed? [1]

(1)

2012 2EP01– Q6Which one of the following is a process component?[1]

(1)

2012 2EP01– Q9Which one of the following conditions would cause a piezo sensor to generate an output?

[1]

(1)

2012 2EP01 – Q11(a)

(a) The table below shows some tools and components.

Complete the table below by giving the missing names and uses. [1]

slide switch (1)

Turning a circuit on/off

2011 2EP01– Q1Which one of the following components is an input device? [1]

(1)

2011 2EP01– Q2Which one of the following components is a process device? [1]

(1)

2011 2EP01– Q9Which one of the following components allows current to flow in one direction only? [1]

(1)

2011 2EP01– Q10Which one of the following switches could be used to control the direction of rotation of a motor? [1]

(1)

2010 2EP01– Q1Which one of the following components is a sensor?[1]

(1)

2010 2EP01– Q2Which one of the following describes a type of switch?[1]

(1)

2010 2EP01 – Q11(a)

(a) The table below shows some tools and components.

Complete the table below by giving the missing names and uses. [1]

detecting movement (1)

Reed switch

SAM 2EP01– Q1Which of the following components is an output device?[1]

(1)

SAM 2EP01– Q2Which of the following components is an input device?[1]

(1)

SAM 2EP01– Q8As darkness falls, the resistance of a LDR:[1] (1)

SAM 2EP01 – Q11(a)

(a) The table below shows some tools and components.

Complete the table below by giving the missing names and uses. [1]

to turn a circuit on or off (1)

Rocker switch

SAM 2EP01– Q13(a)The drawing opposite shows details of a bicycle horn. It is used to warn other road users and pedestrians of the bicycles presence.

it is easy to use (1) it will only sound the horn when pressed (1) it is inexpensive (1) it has no protruding parts (1)

(a) Give two reasons for using a push switch to operate the bicycle horn. [2]

It is operated by a push switch.

2010 1974 HT – Q4(a)The diagram opposite shows the electronic circuit of a commercially available games scorer which counts from 0 to 9.

Push to Make (1)

(a) Name the type of switch shown as S1. [1]

2010 1974 HT – Q4(b)(i)+(ii)

The diagram opposite shows the electronic circuit of a commercially available games scorer which counts from 0 to 9.

it will make the counter count up (1)

(b)(i) State the effect on the circuit of operating switch S1.[1]

(b)(ii) State the effect on the circuit of operating switch S2. [1]

it will reset the counter (1)

2010 1974 HT – Q4(c)(i)+(ii)

The diagram opposite shows the electronic circuit of a commercially available games scorer which counts from 0 to 9.

5V (1)

(c) Give the voltage at point X on the circuit:(i) When switch S1 is closed [1]

(ii) When switch S1 is open. [1]

0V (1)

2010 1974 HT – Q4(d)The diagram opposite shows the electronic circuit of a commercially available games scorer which counts from 0 to 9.

substitute values into formula: I = 5V / 10K 0.0005 (1) A (1) (or 0.5 (1) mA (1))

(d) Use the formula I = V/R to calculate the current through resistor R1 when switch S1 is closed. Assume the counter IC draws no current. [2]

2010 1974 FT – Q1(a)

(a) The table below shows some tools and components.

Complete the table below by giving the missing names and uses. [1]

to turn a circuit on or off (1)

Key switch (1)