viernes, 24 de septiembre de 2010

RAM and ROM

RAM and ROM are both types of memory used by personal computers.

1.- Which one of these types of memory is volatile?
2.- Explain the difference between volatile and non-volatile memory.
3. - Why does a personal computer need both of these types of memory?

COMPUTERS - Bits and bytes

Watch the video and answer the questions bellow:


  1. How many bits are in one byte?
  2. How many bytes are needed to store one character of text data?
  3. How many bytes are needed to store the sentence shown below:

The quick brown fox jumps over the lazy dog

4. - Which is the largest number (decimal) you can represent with a byte?

5.- Sort the computer memory sizes listed below into increasing order of size with the smallest first and the biggest last:

10MB 100KB 5GB 50 MB 500KB