
Data and computer systems questions
Q1. Explain what is meant by the denary numbering system.
Q2. Where does the word ‘bit’ as used in computing come from?
Q3. In the binary number 01011000, there are eight bits. The bit on the far left is worth 128. If there were another bit to the left of that one, what would it be worth? Explain how you got your answer.
Q4. What is meant by a subscript?
Q5. What is the binary number 1000 in denary?
Q6. What is the binary number 0000 in denary?
Q7. What is the binary number 1111 in denary?
Q8. What is the binary number 1111 1111 in denary?
Q9. How many different digits are used in the binary system?
Q10. Do some research. Apart from the binary system and the denary system there are other numbering systems in use, the most imortant of which is hex. Find out how this works. How many digits are used in hex? How do you represent 12, for example, in hex?