What's the required number of address lines for 1MB of memory?

[kumar_eee]

For 1 MB memory, the number of address lines required,

(a)11
(b)16
(c)22
(d) 24

 

[throwaway18]

Solution plz

Open windows calculator. Select scientific mode.

What is 2*2*2*2 ?
That is how many memory locations you can address with four address lines.

What is 2^8 ?
That is how many memory locations you can address with eight address lines.

What is 2^10 ?
That is how many address lines you can addrss with ten address lines

Can you see how to work out the answer to your question now?

You need to read some books.

 

[kumar_eee]

Re: Solution plz

Hi throwaway18,
I think, the answer is 20 addr lines.... Is it correct?..

 

[tamerakshar]

Re: Solution plz


totally correct.

 

[jraks]

Solution plz

20 address lines is correct the 8086 processor uses the same number of address lines and has 1mb memory 2^20