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Describe the operations of an optical disk drive used to read data from an optical disk, such as a CD or DVD.

Data is stored one a continuous spiraled track around the optical disk, the track is made up of a continuation of lands and pits, where lands will reflect the light focused onto them, and pits will scatte...

DC
Answered by Daniel C. Computing tutor
2297 Views

Outline the key stages that occur in mitosis.

The initial stage of mitosis is known as prophase. In early prophase, the nuclear membrane breaks down and the nucleolus disappears. The chromatin condenses into a doubled armed chromosome- comprised of t...

LF
Answered by Liam F. Biology tutor
3095 Views

Compress the following bit pattern using RLE (Run Length Encoding). 1111 0011 1100 0000

The answer is as follows:
(4,1) (2,0) (4,1) (6,0)

DC
Answered by Daniel C. Computing tutor
5179 Views

f(x) = (sin(x))^3. What is f'(x)

Write sin3(x) as sin2x*sinx and differentiate using product rule, u=sin2x, v

LR
Answered by Liam R. Maths tutor
2895 Views

A linear sequence is as follows: a+b, a+3b, a+5b .... The 2nd term is equal to 15. The 6th term is 47. What is the value of a? What is the value of b? Show your working.

a+3b = 15, a+11b=47 , use simultaneous equations to get 8b = 32 therefore b=4 and a=3.

LR
Answered by Liam R. Maths tutor
4174 Views

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