Regular computer peripheral inputs are Ethernet cables, USB (universal serial bus) ports and Auxiliary earphone/microphone jacks.
For a laptop, it would have a input symbol for a power cable also.
USB = a three pronged arrow-headed symbol
Audio jack = Headphones
Ethernet cable = three squares, 1 above 2 below
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The Toshiba Satellite L350-170 has an ExpressCard slot on the left hand side. To find it, if you are looking at your laptop normally, from a standard angle, turn the laptop chassis a full 90° to the right, so that the screen is perpendicular to you on the left side. You will then see the ExpressCard slot on the right hand side of this view. There are no other memory card slots on this laptop. For more information on the Toshiba Satellite L350-170, check out Toshiba's website: http://uk.computers.toshiba-europe.com/innovation/product/Satellite-L350-170/1058332/
use CTRL+SHIFT+ARROWKEYS (preferrably UP). On my laptop the screen is rotated after pressing this key combination. see computer-know-how.blogspot.com for more information
A traffic signal is controlled by a control box on the side of the intersection, the control box receives data from electromagnetic sensors under the pavement, and that data is processed by amplifiers inside of the box and the traffic controller makes the appropriate decision on what to do. So to answer the question, the traffic light is a decision made by the traffic controller which is a output.
This would depend on the type and model of computer. Generally, on a desktop computer, the power button will be on the front of the tower. Sometimes it can be on the side of the tower if not on the front. If it is an all-in-one computer, such as the imac, it may be on the monitor itself (possibly back or front). If you are using a laptop, it can often be found at the top right just above the keyboard. some older laptops have the button on either the side or front of the laptop.
Its normally located on a sticker on the side of your tower or on the bottom if you've got a laptop. http://support.dell.com/support/topics/global.aspx/support/dsn/document?c=us&l=en&s=gen&dn=FA1035591#2