21st century 3rd term C.A.T

Bitcoin was launched in which year?

• 2006

• 2009

• 2008

Digital wallet enables users to securely store ALL BUT ONE________

• shopping list

• debit card information

• gift cards

Which of these is NOT a 3D object?

• box

• A4 paper

• tent

One of the following is a material used for 3D printing.

• plastic

• wood

• rocks

To create a 3D model, first one needs a

• layer

• model

• fuses

Although 3D printing has found applications in many fields, it still has a number of restrictions. Which of the following is a disadvantage of 3D printing?

• It restricts the size of parts that can be printed

• It allows for the design and print of more complex things

• It saves on resources

In a fibre optics system, a machine called a _______ turns information received into lights.

• cladding

• receiver

• transmitter

One major disadvantage of fibre optics is that

• the cables are expensive

• the cables are small and light

• they catch fire easily

Fibre optic technology is used in surgery to_______

• stitch cuts

• view inside the human body

• treat cancer

Fibre optics cables are used in car industry for

• lighting

• wheels

• glasses