Click on this OpenOffice menu item:
Format => Paragraph => Indents/Spacing => Line Spacing => double
To switch from single to double spacing on a PC keyboard, you typically need to use the formatting options within the software you are using. In most word processing programs like Microsoft Word, you can find the line spacing option in the formatting toolbar where you can select double spacing. Alternatively, you can use keyboard shortcuts like "Ctrl + 2" to quickly change to double spacing.
Answer for USA, Canada and countries running a 60 Hz supply service.The difference between a double pole switch and a single pole switch is the use of the switch in the installation or equipment. A double pole switch is used when the voltage from two circuits has to be broken. An example of this is a 240 volt supply. A single pole switch is used where there is only a single supply voltage that has to be broken.
KVM switch
Single-pole, double-throw. The switch directs a single input to two possible outputs.
A double pole single throw switch. used to switch two lines at the same time.
In electrical terminology it is known as a single pole double throw switch.
A switch is inserted in series with a single wire. When the switch is on, it is as if the wire had not been opened to insert the switch. When the switch is off the wire is open and no current can flow. All a double pole switch does is allows you to switch two separate wires at the same time with the same switch action. A single pole switch just switches one wire.
By using DPST(Double Pole Single Through) switch.
There are 10 types of keyboards for computers that have been developed so far. These are; membrane keyboard, dome switch keyboard, scissor switch keyboard, capacitive keyboard, buckling spring keyboard, half effect keyboard, laser keyboard, roll up keyboard, optical keyboard, and the mechanical switch keyboard. Each of these types are constructed in different ways and works in different processes. The mechanical switch type uses completely separate switches under each key. Each switch is composed of Êa base, a spring, and a stem. The beauty of mechanical switch keyboards is that each key can be removed and either for cleaning or replacement.
For a single throw, double pole switch, each section is wired to the individual items to be controlled. For a double throw double pole (220) set up, both hot wires are run through the switch.
Double pole wiring is checked the same way as single pole wiring. When you turn the switch on and the device works, in effect the switch is checked.
KVM Switch
Single ended is referred to converters with single switch topology. SEPIC has only one switch and hence named Single ended primary inductor converter. (Primary inductor because the inductor is charged during ON cycle of the switch) For example, There are double ended flyback topologies with two switches. It is named as double ended because it contains two switches.