November 26, 2015

Homework Help: yr 8 design technology

Posted by Ashkin on Saturday, January 10, 2009 at 6:53am.

Systems and Control- inputs ,process and outputs

1) public address system - input ?
2)table lamp - process ?
3) street lamp - input ?
4)burgular alam - process?
5)doorbell-output-doorbell sounds (ding dong is this right?)
6)car windscreen - input-?
7)refrigerater- output- cold air ( is this right ?)
8)calculator- input?
9)kitchen timer - process?
10)automatic night light - output - light comes on at set time ( is this right ?)
thanks for you help

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