Binary, Denary, Hexadecimal

Question 1

How many digits does Binary use?

Answer 1

two, 0 and 1

Question 2

how do place values of binary numbers increase?

Answer 2

from right to left, increasing by powers of 2 (e.g, 8,4,2,1) instead of powers of 10 (e.g. 1000,100,10,1)

Question 3

How many values can a nibble represent?

Answer 3

16

Question 4

What is 1111 in a Deanery number

Answer 4

15

Question 5

How many values can a bite represent?

Answer 5

256

Question 6

Is one method for adding binary numbers?

Answer 6

The column addition e.g:

10001101 +
01001000
—————
11010101

Question 7

What is an overflow error?

Answer 7

When And 8-bit calculation Gives a 9-bit answer

Question 8

How do computers normally deal with overflow Errors?

Answer 8

By storing these extra bits somewhere else

Question 9

What is a binary shift?

Answer 9

The movement of every bit in a binary number left or right a certain number of places to either multiply(left shift) or divide(right shift).

Question 10

Which way do you shift to multiply a binary number (doubled)

Answer 10

Left shifts multiply (x2 each shift)

Question 11

Which way do you shift a binary number to divide it?

Answer 11

Right shift divide (1/2 each shift)

Question 12

Can left shifts cause?

Answer 12

Overflows

Question 13

What can write shifts cause?

Answer 13

Bits to ‘drop off’ the end

Question 14

What can bits ‘dropping off’ or overflowing lead to?

Answer 14

Loss of accuracy/data

Question 15

What does the deanery number 10 represent in hexadecimal numbers?

Answer 15

A

Question 16

What would AA be in binary?

This is just an example, you will have to do this with all hexadecimal numbers 0-F

Answer 16

10101010

Question 17

What would AA be as a deanery number? (This is just an example you will have to do this with all hexadecimal numbers 0-F)

Answer 17

170

Question 18

How can you convert binary to Hexadecimal?

Answer 18

By splitting and 8-bit Binary number into nibbles