Binary lesson 3 and Recap

Binary lesson 3 and Recap

DNA Words

Representation and Prefix

Open Ended

What does the word representation mean?

Representation

the description or portrayal of someone or something in a particular way

Open Ended

What is another word for representation?

Representation

portrayal, depiction, impression

Open Ended

Place Representation into a sentence.

Be ambitious!!!

Open Ended

What does prefix mean?

Prefix

a word, letter, or number placed before another

Open Ended

What is another word for prefix?

Prefix 

couple, add, adhere, connect

Open Ended

Place prefix into a sentence

Be ambitious!

Multiple Choice

How many groups of 8 can you form with 128 bits?

• 22 bytes

• 16 bytes

• 1,024 bytes

• 1,023 bytes

Multiple Choice

A piece of text is 16 bytes long.

What is its size in bits?

There are 16 groups of 8 bits each.

• 128 b

• 127b

• 126 b

• 124 b

Multiple Choice

A user comes across a small text file in her hard disk. The name of the file is ‘simple’ and its size is 12 bytes.

How many binary digits (bits) does this file contain?

• 96 bits

• 94 bits

Assessment Revision

How much can you remember?!

Multiple Choice

What does the word Bit mean in computing?

• 0 and 1

• binary digit

Multiple Choice

How many different sequences of 3 binary digits can there be?

• 3

• 6

• 8

• 4

Multiple Choice

What is the size or length of this sequence of binary digits: 10111?

• 5

• 4

• 3

Multiple Choice

Q9. Which of the following binary numbers is equivalent to decimal 4?

• 101

• 110

• 100

Multiple Choice

Which of the following decimal numbers is equivalent to binary 10011?

• 19

• 22

• 23

Multiple Choice

Which prefix would you use to describe a quantity that is in the billions?

• giga

• kilo

Multiple Choice

What does the prefix ‘mega-’ stand for?

• million

• thousand