8. Binary addition

Multiple Choice

What is the answer to 010 + 010?

• 110
• 010
• 100
• 011

Multiple Choice

What is the answer to 1010 + 0101?

• 1011
• 1001
• 1111
• 0111

Drag and Drop

Binary is the language ​​

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​ use to communicate. They only use 1s and 0s.

​ ​

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use 1's,10s,100s,1000s. This is called base 10. Computers use base 2 as they only​ ​

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two numbers.  1 for ​

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​ and    0 for ​ ​

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Drag these tiles and drop them in the correct blank above

Computers

Humans

understand

ON

OFF

Labelling

Drag each label to the correct reference on the image.

Drag labels to their correct position on the image

nibble

byte

binary

bit

Match

Match the following

• 0010

• 0100

• 1000

• 1010

• 0001

2

4

8

10

1

• 2

• 4

• 8

• 10

• 1

Multiple Choice

What is the result of adding the binary numbers 10101 and 00011?

• 10100

• 11100

• 11000

• 11111

Multiple Choice

What is the result of adding the binary numbers $$1001$$ and $$1010$$ ?

• $$10011$$

• $$11011$$

• $$10111$$

• $$10000$$

Multiple Choice

In a certain computer program, two positive integers are added together, resulting in an overflow error. Which of the following best explains why the error occurs?

• The program attempted to perform an operation that is considered an undecidable problem.

• The precision of the result is limited due to the constraints of using a floating-point representation.

• The program can only use a fixed number of bits to represent integers; the computed sum is greater than the maximum representable value.

• The program cannot represent integers; the integers are converted into decimal approximations, leading to rounding errors.

Multiple Choice

Which of the following would result in an Overflow error in a 3-bit system?

• 3

• 4

• 6

• 8

Multiple Choice

What is the 6-bit binary representation for the color Yellow?

• 11 00 00

• 00 11 00

• 11 11 00

• 00 11 11

Multiple Choice

What color is produced when blue and red are mixed together?

• cyan

• yellow

• magenta

• green

Multiple Choice

Calculate the binary addition:
00111011
00110011
Use binary addition rules + whiteboards!

• 01101111
• 01111110
• 01101110
• 11111110

Multiple Choice

Colours are often stored in computers using which number system?

• a) Binary

• b) Decimal

• c) Hexadecimal

• d) Octal

Multiple Choice

In the hexadecimal colour format, what does the code FF0000 represent?

• a) Blue

• b) Green

• c) Yellow

• d) Red

Poll

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• Very confident
• Somewhat confident
• Not confident