computer that is portable and suitable for use while travelling. Portable computer small enough to use on your lap.

Less heavy; weighing less. device that produces small flame, used to light cigarettes.

fixed or movable upright partition used to divide room, give shelter from draughts, heat, or light. Wire nets in windows or doors to keep insects out. conceal, protect, or shelter person or thing with screen.

Used to add new (often different) information.

Concerning reality or the laws of nature.

without doubt.

consequence, effect, or outcome of something. Some things produced through tests or experiments. occur or follow as consequence of something.

flowing naturally or supplied to building through pipes and taps. The act of moving your legs to move quickly. To manage or operate a business.

able to be easily carried. portable object.

reproduction of previously recorded sounds or moving images.

used or accepted as normal or average. Official unit of measuring something.

How similar and different things are. estimate similarity or dissimilarity between.

join with solder.

Remaining to the end. To remain or continue for a certain period of time.

unit of information equal to one thousand million (10 ⁹) or strictly 2 ³⁰ bits.