1. If you add together 1011 and 101 you get 1110111
2. The binary system uses powers of ........for positional values.
3. The binary addition 1 + 1 + 1 gives
4. Binary is a _________ language that uses just two digits: 1 and 0
5. The following shows the Binary number 10 (1010). If we wanted a larger number, what would go to the left of the 8?
7. So, what really is a number? Think about the number 675 in decimal- what does it mean?
8. The following diagram shows the place values for the number 675 in decimal (base 10). How do we get the place value 1000?
9. Convert the following Binary number into Decimal.
10. Convert the given Binary number into Decimal.
11. Convert the given Binary number into Decimal.
12. Convert the following Binary number into Decimal.
13. 1000000000 is a Binary number. Can you use your knowledge of conversion of Binary to Decimal to suggest the answer - what is it in Decimal?
14. Look at the following example showing the conversion from Binary to Decimal. Is it True(Correct) or False(Incorrect)?
15. What is the largest number that can be represented (in Decimal) using just 8 binary bits. For example: 11111111
16. Convert the following Binary number into Decimal (note that Decimal is sometimes referred to as Denary)
17. In the following table the binary answers are given in _______ bits.
18. Represent the number 6 in Binary (in four bits)
19. Represent the number 0 (in Decimal) in Binary (in four bits)
20. Represent the number 129 in Binary
21. Represent the number 33 in Binary using eight bits
22. How would you represent the number 2 billion in binary using eight bits?
23. Convert 133 (Decimal) into a Binary number.
24. How would you represent 1 (Decimal) in Binary in just 1 bit?
25. In the ordinary decimal mathematics that you do in Math every day, 1 +0 = ?
26. In Decimal 0 + 0 = 0 and in Binary 0 + 0 is equal to .....
27. In Decimal 1 + 1 = 2. But in Binary 1 + 1 = 10. This is also written as:
28. In Binary addition 1 + 1 + 1 would equal 1 carry 1. (and that is written in Binary as 11) True or False?
29. The colour depth of an image is measured in bits. The number of bits indicates how many colours are available for each pixel. In the black and white image, only ___ colours are needed. This means it has a colour depth of 1 bit. (1 bit can be either 0 or 1
30. True or False? The more pixels on the screen, the higher the resolution and the better the quality of the picture will be.
31. Image files can be either bitmaps or vectors. Which of the following statements are true of bitmap images?
32. For a simple black and white bitmap image, you only need 1 bit. A 0 could represent a white pixel and a 1 could represent a black pixel. Remember that 1 bit can be either "on" (0) or "off" (1).
33. __________ is a measure of pixel density, usually measured in dots per inch (dpi). Images on websites usually have a ____________ of 72 dpi.
34. High quality printed images in books and magazines have a ________ resolution than computer screens. Magazines often use either 300 dpi or even 600 dpi.