how to generate a random digital sequence formed of only two bits

fo example how to generate 00 or 01 0r 10 or 11 randomly?

Answer 1

[Azzi Abdelmalek]

   randi(2,2,1)'-1

[mary]

it worked thanx but could you tell me what those 2,2,1 and -1 refers to??

[José-Luis]

 doc randi

[Azzi Abdelmalek]

randi(4,5,6) will generate a random matrix 5x6 with numbers from 1 to 4

In our case

randi(2,1,2) will generate array 1x2 with numbers from 1 to 2, to make it from 0 to 1

out=randi(2,1,2)-1

[mary]

aha ok thanx indeed for your explination.