Binary, hex and decimal numbers
The first part of Unit 3 only.
Binary numbers are used in computers. Which of the following is True:
1 point
Give the decimal value of the binary bit pattern 00101100
1 point
The highest number that can be stored using an 8-bit binary number is:
1 point
Convert the decimal number 17 to an 8-bit binary value
1 point
A hexadecimal number is written as 2D. What is the decimal value?
1 point
Write the hexadecimal number A8 as an 8-bit binary number
1 point
Place these values in order, from the lowest (1) to highest (5)
5 points
1 - lowest
2
3
4
5 - highest
4.3 GB
17 bits
1.6 GB
2,659 MB
2 Bytes
Sam has a file which is 4,300 MB in size. What size is this in GB?
1 point
If you apply a logical binary shift of 2 to the LEFT to the binary value 00011100 you get:
1 point
The mathematical effect of a logical binary shift of 1 to the LEFT is to do that to the value of the number?
1 point
Add together the two binary values shown in the image. Write your answer as an 8-bit binary value.
1 point