Unsigned Integers

Unsigned Integers

Denary-binary conversions

Multiple Select

In this lesson I am going to learn to ... ?

• Define 'nibble' and 'byte'

• Convert between denary and binary numbers

Multiple Choice

Define the set of integers Z ...

• {..-2, -1, 0, 1, 2, ...}

• {0, 1, 2, ...}

• {1, 2, 3, ...}

Multiple Choice

Define the set of unsigned integers ...

• positive

  whole numbers

  >= 0

• positive

  whole numbers

  > 0

• positive

  real numbers

  >= 0

Multiple Choice

What is the main reason that most humans count in the denary system?

• We have 10 fingers

• Easy to multiply & divide by 10

• Because 10 is a number in binary

• We don't know the reason

Multiple Choice

In the denary number 7430 what does the 4 represent?

• 4 x 1000

• 4 x 100

• 4 x 10

• 4 x 10000

Multiple Choice

In the binary number 1010 what value does the first '1' represent

• 8

• 4

• 2

• 1

Multiple Choice

Which of these number bases uses the fewest number of symbols?

• binary

• octal

• denary

• hexadecimal

Multiple Choice

What is the largest value that can be stored in a 5-bit binary number?

• 15

• 16

• 7

• 31

Multiple Choice

What is the binary version of the denary number 11?

• 1011

• 1100

• 1010

• 11

Multiple Choice

What is the binary version of the denary number 23?

• 10111

• 11011

• 10110

• 11000

Multiple Select

Choose all the answers that show a nibble ...

• 1011

• half a byte

• 1111

• 1

Multiple Choice

In any binary number the most significant bit (msb) is ....

• The left-most 1 in the number

• The right-most 1 in the number

• The left-most bit in the number

• The left-most 0 in the number

Multiple Select

In this lesson I have learned to ...

• Define 'nibble' and 'byte'

• Convert between denary and binary numbers

• Describe 'most significant bit'

Open Ended

Thinking Hard

What was the most important thing you learnt in this lesson. Why?

(press Shift+Enter to take a new line ...)

Poll

How much of this lesson have you understood?

• None of it

• Some of it

• Most of it

• All of it