Converting binary to denary

Question 1

How do you convert binary into denary?

Answer 1

1. Draw a table with eight headings 128, 64, 32, 16, 8, 4,2, 1
2. Write your binary number underneath
3. Add up the headings of any column containing a 1
4. This gives you the denary whole number

Question 2

What is word and word length?

Answer 2

Word is fixed number of bits. e.g. 32-bits
A word is the amount of data that can be processed in each clock cycle.
Word length in defined by the size of the processor.
Longer word length = more data processed = faster computer

Question 3

What are the binary units?

Answer 3

Kilobyte = Kb = thousand bytes = 1024
Megabyte = Mb = million bytes = 1,000,000
Gigabyte = Gb = thousand million bytes = 1,000,000,000
Terabyte = Tb = million million bytes = 1,000,000,000,000
Petabyte = Pb = thousand million million bytes = 1,000,000,000,000,000