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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
Sound - Test C
38. Sound
←
Restart this test
What is the main reason for switching from analogue to digital radio and TV?
a) Better reception
b) Cheaper equipment required
c) Digital is fashionable
d) More channels and stations can be broadcast
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