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

Fill in the Blanks

All data stored in a computer is represented in

form.

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

Fill in the Blanks

In the denary number system each digit position represents an amount that is a power of

Multiple Choice

In the denary number 7430 what does the 4 represent?

• 4 x 1000

• 4 x 100

• 4 x 10

• 4 x 10000

Fill in the Blanks

How many symbols are used in the binary number system?

Multiple Choice

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

• 8

• 4

• 2

• 1

Fill in the Blanks

What value is the sixth power of 2?

Multiple Choice

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

• binary

• octal

• denary

• hexadecimal

Fill in the Blanks

How many possible values can be represented by a 3-bit binary number?

Multiple Choice

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

• 15

• 16

• 7

• 31

Fill in the Blanks

What is the denary equivalent of the binary number 1101?

Fill in the Blanks

What is the denary equivalent of the binary number 11111?

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

Fill in the Blanks

How many bits are there in one byte?

Fill in the Blanks

What is the largest denary value that can be represented in 1 nibble?

Fill in the Blanks

What is the largest denary value that can be represented in 1 byte?

Fill in the Blanks

How many different denary values can be represented in 1 byte?

Fill in the Blanks

What is the binary number 10101010 in denary?

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