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Representation of data in computer systems
Introduction
30. Definitions of units
Definitions of units - Part A
Definitions of units - Test A
Definitions of units - Part B
Definitions of units - Test B
Definitions of units - Part C
Definitions of units - Test C
Definitions of units - Part D
Definitions of units - Activity 1
Definitions of units - Activity 2
31. Binary format
Binary format - Part A
Binary format - Test A
Binary format - Part B
Binary format - Test B
Binary format - Part C
Binary format - Activity 1
Binary format - Activity 2
Binary format - Activity 3
32. Converting positive denary whole numbers
Converting positive denary whole numbers - Part A
Converting positive denary whole numbers - Test A
Converting positive denary whole numbers - Part B
Converting positive denary whole numbers - Test B
Converting positive denary whole numbers - Activity
33. Adding 8-bit binary numbers
Adding 8-bit binary numbers - Part A
Adding 8-bit binary numbers - Test A
Adding 8-bit binary numbers - Part B
Adding 8-bit binary numbers - Test B
Adding 8-bit binary numbers - Activity
34. Hexadecimal numbers
Hexadecimal numbers - Part A
Hexadecimal numbers - Test A
Hexadecimal numbers - Part B
Hexadecimal numbers - Test B
Hexadecimal numbers - Part C
Hexadecimal numbers - Test C
Hexadecimal numbers - Part D
Hexadecimal numbers - Starter Activity
Hexadecimal numbers - Activity 1
35. Character sets
Character sets - Part A
Character sets - Test A
Character sets - Part B
Character sets - Test B
Character sets - Part C
Character sets - Test C
Character sets - Part D
Character sets - Activity 1
Character sets - Activity 2
36. Images
Images - Part A
Images - Test A
Images - Part B
Images - Activity 1
Images - Activity 2
37. Metadata in images
Metadata in images - Part A
Metadata in images - Test A
Metadata in images - Part B
Metadata in images - Test B
Metadata in images - Part C
Metadata in images - Test C
Metadata in images - Activity 1
Metadata in images - Part D
Metadata in images - Activity 2
38. Sound
Sound - Part A
Sound - Test A
Sound - Part B
Sound - Test B
Sound - Part C
Sound - Test C
Sound - Part D
Sound - Activity 1
39. Instructions - new
Instructions
Instructions - Test
Instructions - Activity 1
Instructions - Test a Friend
Binary format - Test A
31. Binary format
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Restart this test
Which of the following are correct?
a) Abacus is the first digital device as we can show digits on its beads
b) Not everything in our world can be converted to numbers of some sort
c) Most computers use mechanical clockwork gears to calculate
d) Electrons moving around computers can be harnessed into representing data
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