Tesco's first tablet in action

Tesco officially unveiled its own-brand tablet computer - the Hudl - on Monday.

Sales of tablet computers are set to soon outstrip those of conventional desktop PCs, with more than six million sold in the UK in the first six months of this year.

Technology correspondent Rory Cellan-Jones has been test-driving the new device. See also Tesco enters tablet fray with Hudl.